CN111769495A - Portable power supply junction box - Google Patents
Portable power supply junction box Download PDFInfo
- Publication number
- CN111769495A CN111769495A CN202010651791.XA CN202010651791A CN111769495A CN 111769495 A CN111769495 A CN 111769495A CN 202010651791 A CN202010651791 A CN 202010651791A CN 111769495 A CN111769495 A CN 111769495A
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- Prior art keywords
- power supply
- portable
- controller
- automatic switching
- junction box
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/08—Distribution boxes; Connection or junction boxes
- H02G3/088—Dustproof, splashproof, drip-proof, waterproof, or flameproof casings or inlets
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/08—Distribution boxes; Connection or junction boxes
- H02G3/16—Distribution boxes; Connection or junction boxes structurally associated with support for line-connecting terminals within the box
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
- H02J9/068—Electronic means for switching from one power supply to another power supply, e.g. to avoid parallel connection
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Power Engineering (AREA)
- Stand-By Power Supply Arrangements (AREA)
Abstract
The invention discloses a portable power supply junction box which comprises a portable shell, a junction device, an automatic switching device and a controller, wherein the junction device is arranged in the portable shell; the portable shell comprises at least two planet wheels, and the automatic switching device and the controller are arranged in the portable shell; the wiring device is electrically connected with the controller and is used for connecting the equipment to be powered with a mains supply or an emergency power supply; the automatic switching device is respectively electrically connected with the wiring device and the controller and is used for automatically switching to an emergency power supply when the mains supply fails; the controller is used for detecting and displaying the states of current and voltage in real time, alarming when the mains supply fails, controlling the automatic switching device to act and recording failure information. The application not only realizes the technical effects that the junction box is small in size, convenient to carry, wide in applicable environment, capable of achieving rapid wiring and capable of automatically switching power supplies, but also realizes the technical effects that the labor cost and the time cost are reduced when power supply operation is carried out.
Description
Technical Field
The embodiment of the invention relates to the technical field of power distribution, in particular to a portable power supply junction box.
Background
The generator (vehicle) usually needs to be equipped with a corresponding distribution box for line connection switching, and the cable of the emergency generator (vehicle) is already fixed, so that the access mode is difficult to adapt to the field environment and the distribution equipment of different users. At present, all distribution boxes matched with generators (vehicles) are in a fixed form or are temporarily provided with switches, particularly the temporarily-arranged distribution boxes need to consume wires and switches every time, so that the great waste is caused, and the time and the labor are consumed. If the user equipment fails, manual operation is needed, the time consumption is high, and the influence on power supply protection is high.
In summary, the existing distribution box has the following disadvantages:
(1) although the existing fixed distribution box matched with a generator (vehicle) can achieve quick access, the investment is large, and proper positions need to be found for construction, such as in a distribution room, a staircase and the like;
(2) the temporary manufacturing of the matched distribution box has more material consumption, such as a wire, a switch, the distribution box and the like, and a certain material, particularly the wire, is required to be used every time; in addition, the installation and transportation of personnel are required, and the occupied human resources are large;
(3) the existing distribution box cannot achieve the effect of automatic switching, all needs to be operated by personnel, and has certain time consumption and operation risk;
(4) in addition, the temporarily manufactured distribution box is not provided with a quick access device matched with the plug-in cable head, so that the installation is time-consuming;
(5) if voltage loss occurs, field personnel are required to notify and confirm to start the power supply of the emergency equipment, and a period of time is consumed, so that certain influence is caused on emergency power supply.
Disclosure of Invention
The invention provides a portable power supply junction box, which not only realizes the technical effects of small volume, convenient carrying, wide applicable environment, quick wiring and automatic power supply switching, but also reduces the labor cost and time cost during power supply operation.
The embodiment of the invention provides a portable power supply junction box which comprises a portable shell, a junction device, an automatic switching device and a controller, wherein the junction device is arranged in the portable shell;
the portable shell comprises at least two planet wheels, and the automatic switching device and the controller are arranged in the portable shell;
the wiring device is electrically connected with the controller and is used for connecting the equipment to be powered with a mains supply or an emergency power supply;
the automatic switching device is respectively electrically connected with the wiring device and the controller and is used for automatically switching to the emergency power supply when the mains supply fails;
the controller is used for detecting and displaying the states of current and voltage in real time, alarming and controlling the automatic switching device to act when the mains supply fails, and recording failure information.
Furthermore, the portable shell also comprises a box handle and a rainproof shell; the rainproof shell is of a cuboid structure with an openable protective cover, and the openable protective cover is arranged on the front side of the rainproof shell;
the box body handle is arranged at the top of the rainproof shell; at least two planet wheels are arranged at the bottom of the rainproof shell.
Furthermore, the wiring device comprises eight inlet wire quick plugs and eight outlet wire quick plugs;
the eight inlet wire quick plugs are arranged on the upper surface of the rainproof shell; four of the eight outlet quick plugs are arranged on the left side surface of the rainproof shell, and four outlet quick plugs are arranged on the right side surface of the rainproof shell;
four of the eight inlet wire quick plugs are connected with the mains supply, and four of the eight inlet wire quick plugs are connected with the emergency power supply; and the eight outgoing line quick plugs are connected with the two paths of equipment to be powered.
Furthermore, the wiring device also comprises eight incoming line copper bars and eight outgoing line copper bars; the incoming line copper bar and the outgoing line copper bar are both arranged in the rainproof shell;
four of the eight wire inlet copper bars are connected with the mains supply, and four wire inlet copper bars are connected with the emergency power supply; and the eight outgoing copper bars are connected with the two paths of equipment to be powered.
Further, the automatic switching device comprises a dual-power automatic switching module and an air switch;
the dual-power automatic switching module is respectively electrically connected with the air switch and the controller and is used for executing switching action under the control of the controller so as to realize the on-off of the air switch and the wiring device;
the air switch is electrically connected with the wiring device, and the on-off of the equipment to be powered and the commercial power supply or the emergency power supply is realized through the on-off of the air switch and the wiring device.
Further, the automatic switching device further comprises a mutual inductor; the mutual inductor is used for supplying power for the automatic switching device and the controller.
Further, the controller comprises an alarm and a display screen; the alarm is used for giving an alarm when the mains supply fails; the display screen is used for displaying the states of current and voltage.
Furthermore, the rain-proof air conditioner also comprises at least two exhaust fans, wherein the two exhaust fans are respectively arranged on two side surfaces of the rain-proof shell.
Further, the device also comprises at least one control button; the control button is arranged at the automatic switching device.
Furthermore, the portable shell further comprises an outgoing line protection plate, wherein the outgoing line protection plate is arranged on the bottom surface of the rainproof shell and used for protecting components in the portable shell.
The invention discloses a portable power supply junction box which comprises a portable shell, a junction device, an automatic switching device and a controller, wherein the junction device is arranged in the portable shell; the portable shell comprises at least two planet wheels, and the automatic switching device and the controller are arranged in the portable shell; the wiring device is electrically connected with the controller and is used for connecting the equipment to be powered with a mains supply or an emergency power supply; the automatic switching device is respectively electrically connected with the wiring device and the controller and is used for automatically switching to an emergency power supply when the mains supply fails; the controller is used for detecting and displaying the states of current and voltage in real time, alarming when the mains supply fails, controlling the automatic switching device to act and recording failure information. The application not only realizes the technical effects that the junction box is small in size, convenient to carry, wide in applicable environment, capable of achieving rapid wiring and capable of automatically switching power supplies, but also realizes the technical effects that the labor cost and the time cost are reduced when power supply operation is carried out.
Drawings
Fig. 1 is a structural view of a portable power supply junction box according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a portable power supply junction box provided by an embodiment of the invention;
FIG. 3 is a front view of a schematic diagram of a portable electrical service junction box with an openable and closable protective cover open according to an embodiment of the present invention;
FIG. 4 is a front view of a schematic diagram of a portable electrical service junction box with an openable and closable protective cover closed according to an embodiment of the present invention;
fig. 5 is a structural diagram of an automatic switching apparatus according to an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
It should be noted that the terms "first", "second", and the like in the description and claims of the present invention and the accompanying drawings are used for distinguishing different objects, and are not used for limiting a specific order. The following embodiments of the present invention may be implemented individually, or in combination with each other, and the embodiments of the present invention are not limited in this respect.
In some important occasions, for example, celebrations, meetings and the like, a backup emergency power supply is often required to be provided to prevent the occurrence of emergency situations such as power failure, so that the equipment to be powered is required to be connected with the emergency power supply, and the emergency power supply can be timely switched to when the power failure occurs, so that the normal operation of activities is ensured.
Fig. 1 is a structural diagram of a portable power supply junction box according to an embodiment of the present invention. Fig. 2 is a schematic diagram of a portable power supply junction box according to an embodiment of the present invention.
As shown in fig. 1, the portable power supply junction box includes a portable housing 10, a junction device 20, an automatic switching device 30, and a controller 40.
As shown in fig. 2, the portable housing 10 includes at least two planet wheels 11, and the automatic switching device 30 and the controller 40 are disposed in the portable housing 10; the wiring device 20 is electrically connected with the controller 40 and is used for connecting the equipment to be powered with a mains supply or an emergency power supply; the automatic switching device 30 is electrically connected with the wiring device 20 and the controller 40 respectively and is used for automatically switching to an emergency power supply when a mains supply fails; the controller 40 is used for detecting and displaying the current and voltage states in real time, alarming and controlling the automatic switching device 30 to act when the mains supply fails, and recording failure information.
Specifically, be provided with two at least planet wheels 11 on portable casing 10 of portable power supply junction box, this kind of wheel can adapt to multiple road surface environment, for example can climb, climb stair etc for portable power supply junction box can remove at will, and it is more convenient to carry, and the environment that can be suitable for is more extensive. The controller 40 can detect and display the current and voltage conditions in real time, once the mains voltage fails, for example, when the mains voltage is under no voltage, the controller 40 detects that the mains power fails, and sends an alarm to prompt after detecting that the mains power fails, and simultaneously sends an automatic switching instruction to the automatic switching device 30, and the automatic switching device 30 automatically switches the connection between the equipment to be powered and the power supply after receiving the instruction, namely, cuts off the connection between the equipment to be powered and the mains power supply, and connects the equipment to be powered and the emergency power supply, so as to realize the uninterrupted power operation of the equipment to be powered; at the same time, the controller 40 records the fault information for later review.
The application not only realizes the technical effects that the junction box is small in size, convenient to carry, wide in applicable environment, capable of achieving rapid wiring and capable of automatically switching power supplies, but also realizes the technical effects that the labor cost and the time cost are reduced when power supply operation is carried out.
Fig. 3 is a front view of a schematic diagram of a portable electrical junction box with an openable and closable protective cover opened according to an embodiment of the present invention. Fig. 4 is a front view of a schematic diagram of a portable electrical junction box with an openable and closable protective cover closed according to an embodiment of the present invention.
Optionally, referring to fig. 2-4, the portable housing 10 further includes a case handle 12, a rain-proof enclosure 13; the rainproof casing 13 is a cuboid structure with an openable protective cover 131, and the openable protective cover 131 is arranged on the front surface of the rainproof casing 13;
the box body handle 12 is arranged at the top of the rainproof shell 13; at least two planet wheels 11 are arranged at the bottom of the rain-proof housing 13.
Specifically, the portable housing 10 is made of a waterproof and anti-falling material, so that the internal equipment and circuits can be protected, and the portable housing can adapt to dragging and walking under various environments and road conditions; in order to reduce weight, the portable housing 10 is mainly made of plastic or aluminum frame plastic in material selection, and is light in weight, so that the purpose of portability is achieved.
Alternatively, referring to fig. 2-4, the wiring device 20 includes eight incoming quick plugs 21 and eight outgoing quick plugs 22;
the eight inlet wire quick plugs 21 are arranged on the upper surface of the rainproof shell 13; four of the eight outlet quick plugs 22 are arranged on the left side surface of the rainproof shell 13, and four are arranged on the right side surface of the rainproof shell 13;
four of the eight incoming line quick plugs 21 are connected with a mains supply, and four of the eight incoming line quick plugs are connected with an emergency power supply; the eight outlet quick plugs 22 are connected with two paths of equipment to be powered.
Specifically, in the aspect of low-voltage wiring, the wiring device 20 can meet the power supply requirement that a "two-in two-out" wiring manner is adopted, wherein in the "two-in" manner, one incoming line is used for connecting a mains supply (that is, four of the eight incoming line quick plugs 21 are connected with the mains supply), and the other incoming line is used for connecting an emergency power supply (that is, four of the eight incoming line quick plugs 21 are connected with the emergency power supply); the term "two outlets" refers to the connection of two user load side devices (i.e. the eight outlet quick plugs 22 are connected to two devices to be powered).
Optionally, referring to fig. 3, the wiring device 20 further includes eight incoming copper bars 23 and eight outgoing copper bars 24; the incoming line copper bar 23 and the outgoing line copper bar 24 are both arranged in the rainproof shell 13; four of the eight incoming copper bars 23 are connected with a mains supply, and four are connected with an emergency power supply; the eight outgoing copper bars 24 are connected with the two paths of equipment to be powered.
Specifically, the wiring device 20 is further provided with an incoming copper bar 23 and an outgoing copper bar 24, the copper bars are wiring points which can be connected with a common cable head through bolts, the copper bars serve as conductors, and thermal sleeves are sleeved on the copper bars to enhance insulativity among the copper bars. The inlet copper bar 23 is used as a backup connection point of the quick plug 21, and the outlet copper bar 24 is used as a backup connection point of the quick plug 22, so that connection terminals of different specifications can be connected with corresponding power supplies and equipment to be powered. Exemplarily, the quick plug head (namely the quick plug 21) matched with the emergency generator (vehicle) can be adopted when the emergency power supply is connected, and the commercial power supply and the two outgoing lines can be connected in a copper bar mode (namely, the quick plug head is connected with the incoming line copper bar 23 and the outgoing line copper bar 24), so that the cable of the generator (vehicle) can be matched, and the power supply protection device can be suitable for the power supply protection condition of each occasion.
Fig. 5 is a structural diagram of an automatic switching apparatus according to an embodiment of the present invention.
Alternatively, referring to fig. 5, the automatic switching device 30 includes a dual power automatic switching module 31 and an air switch 32; the dual-power automatic switching module 31 is respectively electrically connected with the air switch 32 and the controller 40, and is used for executing switching action under the control of the controller 40 so as to realize the on-off between the air switch 32 and the wiring device 20; the air switch 32 is electrically connected with the wiring device 20, and the on-off between the equipment to be powered and a mains supply or an emergency power supply is realized through the on-off between the air switch 32 and the wiring device 20.
Specifically, in order to realize "automatic switching of emergency power supply by mains supply", an automatic switching device 30 is arranged inside the box, the controller 40 can detect the voltage and current conditions of each voltage connected with the equipment to be powered in real time, when detecting that the mains supply connected with the equipment to be powered is out of voltage and the other incoming line (i.e. the emergency power supply side) has voltage, the controller 40 sends an automatic switching instruction, the dual-power automatic switching module 31 in the automatic switching device 30 automatically switches off the air switch 32 connected with the mains supply based on the received instruction action, and simultaneously switches on the air switch 32 connected with the emergency power supply, so as to realize the automatic switching action of the emergency power supply, it is required to explain that the actions of the two air switches 32 are performed synchronously, thereby ensuring the uninterrupted power supply of the equipment to be powered.
Optionally, referring to fig. 5, the automatic switching apparatus 30 further includes a transformer 33; the transformer 33 is used to supply power to the automatic switching device 30.
Note that the dual power automatic switching module 31, the air switch 32, and the transformer 33 are disposed inside the portable housing 10 behind the panel where the controller 40 and the button 60 are disposed, and are not shown in fig. 2 to 4 for the sake of view angle.
Optionally, the controller 40 includes an alarm 41 and a display screen 42; the alarm 41 is used for alarming when the mains supply fails; the display screen 42 is used for displaying the states of current and voltage.
Specifically, the alarm 41 is a voltage loss alarm, and when the mains voltage is lost, the voltage loss alarm will sound a whistle to alarm so as to prompt the power supply staff that the mains power supply fails. The display 42 may be a liquid crystal display, and may also be a touch display with a touch function as required, which is not described herein again.
Alternatively, referring to fig. 2-4, the portable power supply junction box further comprises at least two exhaust fans 50, the two exhaust fans 50 being respectively disposed at both sides of the rain-proof housing 13.
Specifically, in consideration of the sealing property of the portable casing 10, a certain amount of heat is generated after the conductor inside the portable casing is loaded, and therefore, a set of exhaust fans 50 are respectively arranged on two sides of the rainproof casing 13 for heat dissipation, so that the portable power supply and connection box is suitable for the hot seasons, environments and the like. Referring to fig. 1, an air outlet of the exhaust fan 50 is disposed downward to perform a function of forcibly exhausting hot air of the portable housing 10, and air can be introduced into an opening of the portable housing 10 to circulate air flow and reduce the temperature inside the portable housing 10.
Optionally, referring to fig. 2-4, the portable power supply junction box further comprises at least one control button 60; the control button 60 is provided at the automatic switching apparatus 30.
Specifically, in order to ensure the reliability of power supply, the portable power supply junction box is further provided with a control button 60, and when the automatic switching device 30 fails or a worker needs to manually switch to an emergency power supply in a use field, the worker can also manually start the emergency power generation device through the control button 60.
Optionally, referring to fig. 2-4, the portable power supply junction box further includes an outlet protection plate 70, the outlet protection plate 70 being disposed on the bottom surface of the rainproof enclosure 13 for protecting components within the portable housing 10.
Specifically, the outgoing line protection plate 70 is opened when the portable power supply junction box is used, so that cables can conveniently go in and out, and is closed when not used to protect components.
The application provides a portable power supply junction box has following advantage:
(1) the portable power supply junction box is provided with the quick access device (namely the wire inlet quick plug 21, the wire outlet quick plug 22, the wire inlet copper bar 23 and the wire outlet copper bar 24) matched with the plug-in cable head, so that the mounting and dismounting speed of wiring can be improved, and the current-carrying capacity of a contact surface cannot be influenced due to the convenience in mounting and dismounting;
(2) the portable power supply junction box is small in size, can be moved at will, is low in use material consumption, reduces the labor cost and the time cost, is wide in applicable environment, and the selected low-voltage leakage protection switch is matched with the current-carrying capacity of cables of a generator car and a generator;
(3) the anti-dropping shell has the function of voltage loss alarm, has the functions of rain prevention and drop prevention, and has the function of automatically switching power supplies.
In the description of the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Finally, it should be noted that the above-mentioned embodiments are only preferred embodiments of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims (10)
1. A portable power supply junction box is characterized by comprising a portable shell, a junction device, an automatic switching device and a controller;
the portable shell comprises at least two planet wheels, and the automatic switching device and the controller are arranged in the portable shell;
the wiring device is electrically connected with the controller and is used for connecting the equipment to be powered with a mains supply or an emergency power supply;
the automatic switching device is respectively electrically connected with the wiring device and the controller and is used for automatically switching to the emergency power supply when the mains supply fails;
the controller is used for detecting and displaying the states of current and voltage in real time, alarming and controlling the automatic switching device to act when the mains supply fails, and recording failure information.
2. A portable power supply junction box according to claim 1 wherein the portable housing further comprises a box handle, a rain-proof enclosure; the rainproof shell is of a cuboid structure with an openable protective cover, and the openable protective cover is arranged on the front side of the rainproof shell;
the box body handle is arranged at the top of the rainproof shell; at least two planet wheels are arranged at the bottom of the rainproof shell.
3. The portable power supply junction box of claim 2 wherein the junction device comprises eight incoming quick plugs, eight outgoing quick plugs;
the eight inlet wire quick plugs are arranged on the upper surface of the rainproof shell; four of the eight outlet quick plugs are arranged on the left side surface of the rainproof shell, and four outlet quick plugs are arranged on the right side surface of the rainproof shell;
four of the eight inlet wire quick plugs are connected with the mains supply, and four of the eight inlet wire quick plugs are connected with the emergency power supply; and the eight outgoing line quick plugs are connected with the two paths of equipment to be powered.
4. The portable power supply junction box of claim 2 wherein the junction device further comprises eight incoming copper bars and eight outgoing copper bars; the incoming line copper bar and the outgoing line copper bar are both arranged in the rainproof shell;
four of the eight wire inlet copper bars are connected with the mains supply, and four wire inlet copper bars are connected with the emergency power supply; and the eight outgoing copper bars are connected with the two paths of equipment to be powered.
5. The portable power supply junction box of claim 1 wherein the automatic switching device comprises a dual power automatic transfer module and an air switch;
the dual-power automatic switching module is respectively electrically connected with the air switch and the controller and is used for executing switching action under the control of the controller so as to realize the on-off of the air switch and the wiring device;
the air switch is electrically connected with the wiring device, and the on-off of the equipment to be powered and the commercial power supply or the emergency power supply is realized through the on-off of the air switch and the wiring device.
6. A portable electrical supply connection box as claimed in claim 5, wherein the automatic switching apparatus further comprises a transformer; the mutual inductor is used for supplying power for the automatic switching device and the controller.
7. A portable power supply junction box according to claim 1 wherein the controller includes an alarm and a display screen;
the alarm is used for giving an alarm when the mains supply fails;
the display screen is used for displaying the states of current and voltage.
8. A portable power supply junction box according to claim 2 further comprising at least two exhaust fans disposed on respective sides of the rain-proof enclosure.
9. The portable power supply junction box of claim 1 further comprising at least one control button; the control button is arranged at the automatic switching device.
10. The portable power supply junction box of claim 2 further comprising an outlet protection plate disposed on a bottom surface of the rain-proof enclosure for protecting components within the portable housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010651791.XA CN111769495A (en) | 2020-07-08 | 2020-07-08 | Portable power supply junction box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010651791.XA CN111769495A (en) | 2020-07-08 | 2020-07-08 | Portable power supply junction box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111769495A true CN111769495A (en) | 2020-10-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010651791.XA Pending CN111769495A (en) | 2020-07-08 | 2020-07-08 | Portable power supply junction box |
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| Country | Link |
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| CN (1) | CN111769495A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112436406A (en) * | 2020-10-27 | 2021-03-02 | 长沙矿冶研究院有限责任公司 | Mobile energy storage vehicle |
| CN113437711A (en) * | 2021-05-27 | 2021-09-24 | 国网浙江省电力有限公司金华供电公司 | Wireless remote control type line test junction box |
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| CN209748126U (en) * | 2019-05-20 | 2019-12-06 | 国网福建省电力有限公司龙岩供电公司 | Low pressure transfer box |
| CN210350852U (en) * | 2019-09-06 | 2020-04-17 | 中建深圳装饰有限公司 | Portable mobile uninterruptible power supply |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2894032Y (en) * | 2006-03-13 | 2007-04-25 | 天津市铱科智能机械技术开发有限公司 | Automatic changeover switch controller |
| CN207782473U (en) * | 2017-12-06 | 2018-08-28 | 贵州电网有限责任公司 | A kind of Portable movable dual power supply automatic switching device |
| CN209748126U (en) * | 2019-05-20 | 2019-12-06 | 国网福建省电力有限公司龙岩供电公司 | Low pressure transfer box |
| CN210350852U (en) * | 2019-09-06 | 2020-04-17 | 中建深圳装饰有限公司 | Portable mobile uninterruptible power supply |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112436406A (en) * | 2020-10-27 | 2021-03-02 | 长沙矿冶研究院有限责任公司 | Mobile energy storage vehicle |
| CN112436406B (en) * | 2020-10-27 | 2022-05-20 | 长沙矿冶研究院有限责任公司 | Mobile energy storage vehicle |
| CN113437711A (en) * | 2021-05-27 | 2021-09-24 | 国网浙江省电力有限公司金华供电公司 | Wireless remote control type line test junction box |
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