CN217133232U - Ammeter case with internal lighting function - Google Patents
Ammeter case with internal lighting function Download PDFInfo
- Publication number
- CN217133232U CN217133232U CN202123151330.5U CN202123151330U CN217133232U CN 217133232 U CN217133232 U CN 217133232U CN 202123151330 U CN202123151330 U CN 202123151330U CN 217133232 U CN217133232 U CN 217133232U
- Authority
- CN
- China
- Prior art keywords
- interface
- meter box
- electric meter
- rechargeable battery
- ammeter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model relates to an ammeter case with internal lighting function belongs to intelligent ammeter case, has solved among the prior art ammeter case and can not carry out the energy storage, can not provide emergent power consumption under the no commercial power condition, and can not carry out the problem of internal lighting. This ammeter case includes: the two ends of the rechargeable battery module are electrically connected with the two ends of the interface; the interface is electrically connected with a mains supply input end through an ammeter and is also used for connecting electric equipment; the lighting equipment comprises a lighting lamp and a lighting switch which are connected in series, and the lighting equipment is connected between the positive interface and the negative interface of the rechargeable battery module in series; the illuminating lamp is arranged inside the box body of the electric meter box; the lighting switch is positioned on the outer side wall of the box body of the electric meter box. Realize the energy storage and the internal lighting function of ammeter case.
Description
Technical Field
The utility model relates to an intelligent ammeter case technical field especially relates to an ammeter case with internal lighting function.
Background
At present, current ammeter case is only the protection device of ammeter, and municipal administration, electric power, heating power, public facilities such as fire control's place just need the installation ammeter, just need the ammeter case, ammeter case quantity is huge, along with ammeter case function is perfect day by day, the inside module operating condition of ammeter case that needs to look over is more and more, in the use, the ammeter case generally is located dark position, therefore, ammeter incasement light is dim, again because of ammeter incasement portion's line connection is complicated, when needs overhaul ammeter incasement portion equipment, need the observation ammeter case internal conditions that handheld lighting equipment just can be clear.
At present, the influence of the massive use of fossil fuels such as coal, petroleum and the like on the environment and global climate makes the target of human sustainable development face a serious threat. For a large energy producing and consuming country in China, the energy-saving and emission-reducing requirements exist, the energy is increased to support economic development, and the energy storage industry needs to be vigorously developed.
Therefore, the prior art lacks an electric meter box with an internal illumination function.
SUMMERY OF THE UTILITY MODEL
In view of the foregoing analysis, the present invention aims to provide an electric meter box with an internal illumination function, which is used for solving the problems that the existing electric meter box can not store energy, can not provide emergency electricity under the condition of no commercial power, and can not perform internal illumination.
The purpose of the utility model is mainly realized through the following technical scheme:
the ammeter case includes:
the two ends of the rechargeable battery module are electrically connected with the two ends of the interface; the interface is electrically connected with a mains supply input end through an ammeter and is also used for connecting electric equipment;
the lighting equipment comprises a lighting lamp and a lighting switch which are connected in series, and the lighting equipment is connected between the positive interface and the negative interface of the rechargeable battery module in series; the illuminating lamp is arranged inside the box body of the electric meter box; the lighting switch is positioned on the outer side wall of the box body of the electric meter box.
Further, the ammeter case still includes the chamber door, the chamber door is provided with transparent window corresponding to the ammeter position, transparent window adopts glass steel material.
Further, the light is at least one.
Further, a waterproof protective cover is arranged on the outer side of the lighting switch.
Further, still include electric quantity monitoring devices, electric quantity monitoring devices is used for monitoring rechargeable battery's residual capacity, electric quantity monitoring devices is used for with host computer communication connection.
Furthermore, a main positive relay and a main fuse are connected in series between the rechargeable battery module and the interface.
Further, the ammeter case still includes the inverter, the input of inverter with the interface electricity is connected, and the output is used for connecting with consumer.
Further, the ammeter box also comprises a constant current charger, and the constant current charger is connected between the interface and the ammeter.
Furthermore, the constant-current charger comprises an EMI filter circuit, a rectifier circuit, an input filter circuit, a BUCK circuit and an output filter circuit; and the commercial power input power supply charges the rechargeable battery module through the EMI filter circuit, the rectifier circuit, the input filter circuit, the BUCK circuit and the output filter circuit in sequence.
The positive pole of the diode is connected with the positive end of the constant current charger, and the negative pole of the diode is connected with the positive interface end of the interface.
Compared with the prior art, the utility model discloses can realize that beneficial effect is: ammeter case with internal lighting function can charge as energy storage power in evening that has the commercial power to as power consumption source daytime, trample the action of filling out the millet of peak clipping, simultaneously, when carrying out ammeter incasement portion and overhauing, can throw light on through internal lighting equipment, in addition, ammeter case with internal lighting function can provide emergent power consumption for consumer as stand-by power supply when no commercial power.
The utility model discloses in, can also make up each other between the above-mentioned each technical scheme to realize more preferred combination scheme. Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and drawings.
Drawings
The drawings are only for purposes of illustrating particular embodiments and are not to be construed as limiting the invention, wherein like reference numerals are used to designate like parts throughout the drawings.
FIG. 1 is a schematic view of an embodiment of an electrical meter box with internal illumination;
fig. 2 is a schematic diagram illustrating connection of modules of a constant current charger according to an embodiment of the present application;
FIG. 3 is a schematic diagram of an exemplary embodiment of an electrical meter box with an internal illumination function including a pre-charging branch;
FIG. 4 is a circuit diagram of a controller according to one embodiment of the present application;
FIG. 5 is a circuit diagram of a voltage acquisition unit according to an embodiment of the present application;
reference numerals:
10-rechargeable battery module; 20-main positive relay; 30-constant current charger; 40-an inverter; 60-a controller; 70-lighting lamps; 80-light switch.
Detailed Description
The following detailed description of the preferred embodiments of the invention, which is to be read in connection with the accompanying drawings, forms a part of this application, and together with the embodiments of the invention, serve to explain the principles of the invention and not to limit its scope.
As shown in fig. 1, a specific embodiment of the present invention discloses an electric meter box with an internal illumination function, the electric meter box includes:
the two ends of the rechargeable battery module are electrically connected with the two ends of the interface; the interface is electrically connected with a mains supply input end through an ammeter and is also used for connecting electric equipment;
specifically, the rechargeable battery module 10 with a corresponding capacity can be configured according to the requirement of a user, and the rechargeable battery module 10 mainly functions as a power supply in daytime under the condition of commercial power, as an energy storage power supply by charging through a constant-current charger at night, and as a standby power supply under the condition of no commercial power. Optionally, the rechargeable battery module can be a lithium battery module 10 comprising 8 groups of lithium batteries with the nominal voltage of 3.2V; the output voltage of the lithium battery module can be 24V.
The lighting equipment comprises a lighting lamp 70 and a lighting switch 80 which are connected in series, and the lighting equipment is connected between the positive interface and the negative interface of the rechargeable battery module 10 in series; and the lighting lamp 70 is arranged inside the electric meter box body; the lighting switch 80 is positioned on the outer side wall of the electric meter box body. At least one of the illumination lamps 70 may be provided for each layer when the electric meter box has a multi-layer structure, and at least one illumination lamp 70 may be provided for each layer. The outside of lighting switch 80 is provided with waterproof safety cover, and waterproof safety cover not only can lead water to both sides and flow down, can also prevent that there is water splash to the switch in, plays the effect of dual protection.
Specifically, the ammeter case still includes electric quantity monitoring devices, electric quantity monitoring devices is used for the monitoring rechargeable battery's residual capacity, electric quantity monitoring devices is used for with host computer communication connection. Wherein the electric quantity monitoring can be realized by adopting the existing program.
The ammeter box further comprises a constant-current charger, and the constant-current charger is connected between the interface and the ammeter. Specifically, the output end of the constant-current charger 30 is electrically connected with the interface, and the input end is electrically connected with the mains supply input end through an ammeter; the lithium battery module is different from a lead-acid battery, the voltage range of the lithium battery is large, the internal resistance is small, if a traditional constant-voltage charger is used for charging, the danger caused by overcurrent is easy to occur, and the charging current can be limited by using the constant-current charger 30 in the charging process, so that the safe use is ensured; during the discharging process, the inverter 40 needs to be equipped to convert dc to ac, so as to meet the requirement of the user for using ac. The constant-current charger 30 is connected with a 220V mains supply input; specifically, the electric meter box further comprises an electric meter, and the electric meter is installed between the constant current charger 30 and the mains supply input. The inverter 40 is connected to a power consumer. More specifically, the constant current charger 30 includes an EMI Filter circuit (EMI Power Filter electromagnetic interference Power Filter), a rectifier circuit, an input Filter circuit, a BUCK circuit (BUCK converter circuit), and an output Filter circuit; as shown in fig. 2, the commercial power input power source sequentially passes through the EMI filter circuit, the rectifier circuit, the input filter circuit, the BUCK circuit, and the output filter circuit to charge the rechargeable battery module 10.
Specifically, the electric meter box further comprises an inverter 40, wherein the input end of the inverter 40 is electrically connected with the interface, and the output end of the inverter 40 is used for connecting electric equipment.
Specifically, a main positive relay and a main fuse are connected in series between the rechargeable battery module and the interface. Illustratively, the main positive relay is connected in series between the positive electrode of the rechargeable battery module and the first interface and is used for controlling the on-off of the main loop, when the main positive relay is closed, the commercial power charges the lithium battery module through the constant-current charger during charging, and when discharging, the electric equipment is powered through the reverse electric appliance; when the main positive relay is switched off, the charging and discharging are stopped. The main fuse is connected in series between the negative electrode of the rechargeable battery module and the first interface. The main circuit short-circuit protection is carried out by arranging the main fuse, when the overcurrent or short circuit occurs in the working process of the main circuit, the main fuse fuses the melt by using the heat generated by the main fuse, and the circuit is disconnected, so that the effect of protecting each device in the main circuit can be effectively played.
The positive pole of the diode is connected with the positive end of the constant-current charger, and the negative pole of the diode is connected with the positive interface end of the interface. The diode can play a role in protecting components in the circuit from being damaged when the positive and negative electrodes of the constant-current charger and the positive and negative electrodes of the battery are not in correspondence and are in reverse connection.
The wiring harness is used for connecting each functional module in the electric meter box. Every line of incasement pencil all is provided with the sign, and the constructor installation of being convenient for, maintainer overhaul and maintenance.
Specifically, the ammeter case still includes the chamber door, the chamber door corresponds the ammeter position and is provided with transparent window, transparent window adopts glass steel material. When the relevant personnel need look over the ammeter reading, can directly see through the convenient reading of transparent window, and need not open the chamber door, also can prevent to open and do not close behind the case door to guarantee the leakproofness of ammeter case.
Specifically, as shown in fig. 3, the electric meter box further includes a controller 60, an input end of the controller 60 is communicatively connected with an output end of the voltage acquisition unit, and a first output end of the controller 60 is electrically connected with a control end of the main positive relay 20.
More specifically, the voltage collecting unit is connected to the rechargeable battery module 10 and is configured to collect voltage information of the rechargeable battery module 10.
More specifically, the controller is configured to obtain voltage and current information, perform on-off control of the main relay 20, and implement control of charging and discharging control of the rechargeable battery module 10. Alternatively, as shown in FIG. 4, the controller employs a microcontroller STM32F072RBT6, integrated with high performance operating at 48MHz frequency
An M032-bit RISC core, high-speed embedded memory (up to 128kb flash and 16kb SRAM), with extensive enhanced peripherals and I/O; the inside can be realized by adopting the existing switch control program.
Specifically, the voltage acquisition unit is connected to the rechargeable battery module and configured to acquire voltage information of the rechargeable battery module and each set of battery cells in the rechargeable battery module, as shown in fig. 5, the voltage acquisition unit employs a BQ76930 battery monitoring chip, has an Analog Front End (AFE) monitoring characteristic, is a pure digital interface, and measures battery voltage information through an internal analog-to-digital converter (ADC).
More specifically, the 27 th pin VC0 of the voltage acquisition unit is connected to the negative electrode of the first cell in the rechargeable battery module 10, the 26 th pin VC1 is connected to the positive electrode of the first cell, the 25 th pin VC2 is connected to the positive electrode of the second cell, the 24 th pin VC3 and the 23 th pin VC4 are connected to the positive electrode of the third cell, the 22 th pin VC5 is connected to the positive electrode of the fourth cell, the 21 st pin VC5B is connected to the negative electrode of the second cell, the 20 th pin VC6 is connected to the positive electrode of the fifth cell, and the 19 th pin VC7 is connected to the positive electrode of the sixth cellThe poles of the rechargeable battery module are connected, an 18 th pin VC8 and a 17 th pin VC9 are connected with the positive pole of a seventh single battery, a 16 th pin VC10 is connected with the positive pole of an eighth single battery, and a 15 th pin BAT is connected with the positive pole of the rechargeable battery module. The 4 th pin and the 5 th pin of the voltage acquisition unit are respectively connected with the 45 th pin and the 46 th pin of the microcontroller STM32F072RBT6, and the voltage acquisition unit and the microcontroller are subjected to I 2 And C, communication.
Specifically, as shown in fig. 3, the electricity meter box further includes a pre-charging branch, where the pre-charging branch includes a pre-charging relay and a pre-charging resistor connected in series; and two ends of the pre-charging branch circuit are respectively and electrically connected with the positive input end and the first interface of the rechargeable battery module. Optionally, the pre-charge resistor is 20 Ω.
Specifically, the controller 60 further includes a second output terminal, and the second control terminal is electrically connected to the control terminal of the pre-charge relay. More specifically, after the pre-charging branch is added, when the rechargeable battery module 10 supplies power to a load connected to the rear end of the inverter 40, the main positive relay 20 is firstly disconnected, the pre-charging loop is connected, the pre-charging resistor plays a role in limiting current, the safety of the pre-charging branch is ensured, the safety of the main positive relay 20, the safety of the inverter 40 and rear-end load equipment can be effectively protected through the connection and disconnection of the pre-charging branch, the damage of devices caused in the moment of direct power-on is prevented, and the function of limiting current is played through the pre-charging relay and the pre-charging set.
Specifically, the inverter 40 and the electric equipment further include: an air switch and ac power supply assembly 50; the input end of the ac power supply assembly 50 is electrically connected to the output end of the inverter 40 through an air switch, and the output end of the ac power supply assembly 50 is electrically connected to the electric equipment. The power utilization connection of the electric equipment meeting different requirements of users is realized by arranging the alternating current power supply assembly.
Optionally, the ac power supply assembly 50 includes: the socket comprises a 220V socket and/or a wiring copper bar, wherein the 220V socket comprises a two-plug socket and a three-plug socket, and the wiring copper bar comprises a live wire, a zero wire and a ground wire. Optionally, the 220V socket adopts a zhengtai AC30 five-hole socket, and comprises a two-plug socket and a three-plug socket, so that various requirements of users are met. More specifically, three copper bars of live wire, zero line and ground wire can guarantee that each equipment wiring is safe and firm. More specifically, the air switch is provided with a leakage protector, and the leakage or overcurrent automatic tripping operation is realized, so that the safety protection is realized.
Exemplarily, when specifically using this ammeter case, when needs read ammeter reading or ammeter case overhauls needs illumination, the accessible is opened lighting switch 80 and is controlled light 70 and is opened, provide lighting conditions for relevant operating personnel, operating personnel can look over the sign of every line of incasement pencil under sufficient lighting conditions, be convenient for constructor installation, maintainer overhaul and maintenance, and this embodiment light 70 is supplied power by rechargeable battery module, therefore, no matter whether mains supply is normal, the electric energy that all can store through rechargeable battery module 10 carries out light 70 power supply, even therefore even in mains supply is unusual, also can normally throw light on through light 70, realize the maintenance to the ammeter case when mains supply is unusual.
During charging, the controller controls the connection of the main positive relay according to the acquired voltage and current conditions of the rechargeable battery module, so that 220V mains supply is charged to the rechargeable battery module through the constant current charger 30(ACDC converter); when the voltage of the single battery in the rechargeable battery module 10 is greater than a first voltage threshold, the controller turns off the main positive relay 20 to stop charging the rechargeable battery module 10, optionally, the first voltage threshold is 3.65V;
more specifically, when the charging current detected by the hall current sensor is greater than the first charging current threshold, the controller controls the main positive relay 20 to be turned off, and stops the charging of the rechargeable battery module 10.
During discharging, the controller controls the main positive relay and the pre-charging relay to be disconnected according to the acquired voltage and current conditions of the rechargeable battery module, so that the rechargeable battery module supplies power to the outside through the inverter, and meanwhile, the rechargeable battery module is stopped from being charged by the constant-current charger (ACDC converter); when the battery voltage in the rechargeable battery module 10 meets the condition that the single power supply voltage is greater than the second voltage threshold and the residual capacity of the rechargeable battery module 10 is greater than the capacity threshold, closing the main positive relay 20, and supplying power to the electric equipment by the rechargeable battery module 10 through the inverter 40; more specifically, when the voltage of the single battery in the rechargeable battery module 10 is less than the second voltage threshold or the remaining capacity of the rechargeable battery module 10 is less than the capacity threshold, the controller turns off the main positive relay 20 to stop the rechargeable battery module 10 from supplying power to the rear-end load. Optionally, the second voltage threshold is 2.8V, and the capacity threshold is 1%;
more specifically, when the discharge current detected by the hall current sensor is greater than the first discharge current threshold, the controller controls the main positive relay 20 to open, stopping the discharge of the rechargeable battery module 10.
It can be understood by those skilled in the art that the programs/software involved in the controller in the above embodiments are common methods in the prior art, such as running the control method in the existing Battery Management System (BMS) in the controller, and the present invention does not relate to any software improvement. The utility model discloses only need with each device that has corresponding function pass through the utility model discloses the connection relation that gives connect can, wherein do not relate to the improvement in the aspect of any program software. The connection mode between the hardware devices with the corresponding functions is realized by the prior art by those skilled in the art, and is not described in detail herein.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention.
Claims (10)
1. An electric meter box with an internal illumination function, characterized in that the electric meter box comprises:
the two ends of the rechargeable battery module are electrically connected with the two ends of the interface; the interface is electrically connected with a mains supply input end through an ammeter and is also used for connecting electric equipment;
the lighting equipment comprises a lighting lamp and a lighting switch which are connected in series, and the lighting equipment is connected between the positive interface and the negative interface of the rechargeable battery module in series; the illuminating lamp is arranged inside the box body of the electric meter box; the lighting switch is positioned on the outer side wall of the box body of the electric meter box.
2. The electric meter box with interior illumination function according to claim 1,
the ammeter case still includes the chamber door, the chamber door corresponds the ammeter position and is provided with transparent window, transparent window adopts glass steel material.
3. An electricity meter box with internal illumination function according to claim 1 or 2, characterized in that at least one of said illumination lamps.
4. The electric meter box with internal illumination function as claimed in claim 3, wherein a waterproof protection cover is provided outside the illumination switch.
5. The electric meter box with interior illumination function according to claim 3,
the rechargeable battery pack is characterized by further comprising an electric quantity monitoring device, wherein the electric quantity monitoring device is used for monitoring the residual electric quantity of the rechargeable battery, and the electric quantity monitoring device is used for being in communication connection with an upper computer.
6. The electric meter box with interior illumination function as claimed in claim 1, wherein a main positive relay and a main fuse are connected in series between the rechargeable battery module and the interface.
7. The electric meter box with interior illumination function according to claim 1,
the ammeter case still includes the dc-to-ac converter, the input of dc-to-ac converter with the interface electricity is connected, and the output is used for connecting consumer.
8. The electric meter box with interior illumination function according to claim 1,
the ammeter box further comprises a constant-current charger, and the constant-current charger is connected between the interface and the ammeter.
9. The electric meter box with interior illumination function according to claim 8,
the constant-current charger comprises an EMI filter circuit, a rectifier circuit, an input filter circuit, a BUCK circuit and an output filter circuit; the commercial power input power supply charges the rechargeable battery module through the EMI filter circuit, the rectifier circuit, the input filter circuit, the BUCK circuit and the output filter circuit in sequence.
10. The electric meter box with the internal illumination function as claimed in claim 9, further comprising a diode, wherein the anode of the diode is connected with the positive end of the constant current charger, and the cathode of the diode is connected with the positive interface end of the interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123151330.5U CN217133232U (en) | 2021-12-15 | 2021-12-15 | Ammeter case with internal lighting function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123151330.5U CN217133232U (en) | 2021-12-15 | 2021-12-15 | Ammeter case with internal lighting function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217133232U true CN217133232U (en) | 2022-08-05 |
Family
ID=82616950
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123151330.5U Active CN217133232U (en) | 2021-12-15 | 2021-12-15 | Ammeter case with internal lighting function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217133232U (en) |
-
2021
- 2021-12-15 CN CN202123151330.5U patent/CN217133232U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103066662B (en) | emergency power supply | |
| CN101958575A (en) | Automatic control energy saving system for solar energy generation storage and valley power consumption storage | |
| CN201576950U (en) | Vehicle-mounted solar portable power source | |
| TW201123668A (en) | Hybrid power supply system | |
| CN201576944U (en) | Vehicular solar energy mobile power supply | |
| CN201539807U (en) | Solar alley lamp | |
| CN203015229U (en) | Solar energy and commercial power complementary intelligent street lamp controller | |
| CN105444077A (en) | Solar street lamp system based on mutual complementing of commercial power | |
| CN217133232U (en) | Ammeter case with internal lighting function | |
| CN106356954A (en) | Multifunctional charger used for rechargeable batteries | |
| CN217590351U (en) | Fill electric pile power supply control system | |
| CN202817877U (en) | Solar energy and commercial power complementation controller for street lamp illumination | |
| CN202713736U (en) | Solar-powered LED energy-saving lighting device | |
| CN202042930U (en) | Battery management system for solar air conditioner | |
| CN202132855U (en) | Solar emergency lamp | |
| CN216646600U (en) | Self-cooling energy storage type electric meter box | |
| CN217133230U (en) | Intelligent display ammeter box | |
| CN217135172U (en) | Energy storage type electricity meter box | |
| CN217133233U (en) | Self-heating energy storage formula ammeter case | |
| CN202713704U (en) | Intelligent LED lighting system for solar energy-commercial power access complementation | |
| CN202008076U (en) | Solar emergency lamp | |
| CN201994882U (en) | Solar photovoltaic household power supply device | |
| CN107181307B (en) | Multi-source charging protection circuit for battery | |
| CN218569893U (en) | Light stores up complementary electric pile that fills of commercial power | |
| CN109347194A (en) | The base station 5G and its power supply system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |