CN212571803U - DC12V portable power supply box applied to limited space - Google Patents
DC12V portable power supply box applied to limited space Download PDFInfo
- Publication number
- CN212571803U CN212571803U CN202021163304.7U CN202021163304U CN212571803U CN 212571803 U CN212571803 U CN 212571803U CN 202021163304 U CN202021163304 U CN 202021163304U CN 212571803 U CN212571803 U CN 212571803U
- Authority
- CN
- China
- Prior art keywords
- portable
- power supply
- box
- power
- alarm
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Stand-By Power Supply Arrangements (AREA)
Abstract
The utility model discloses a DC12V portable power supply box applied in a limited space, which comprises a portable box body, a box cover, a portable handle, a hinge, a second micro-break switch, an intermediate relay, a power supply alarm and a socket; portable box passes through the hinge and rotates with the case lid to be connected, portable box top sets up portable handle, second little break switch, auxiliary relay and power fixed mounting are in portable box, alarm and socket fixed mounting are on the case lid, auxiliary relay links to each other with the power through the little break switch of second, alarm and socket connection are on auxiliary relay, the utility model discloses eliminating personnel and lighting power consumption nonstandard behavior phenomenon when the confined space operation, promoting and examining and repairing operation safety quality, guarantee personnel life safety provides emergency lighting for limited space operation industry, eliminates if there is not emergency lighting's phenomenon in the power failure space.
Description
Technical Field
The utility model belongs to the technical field of the power supply box, concretely relates to be applied to portable power supply box of DC12V in the finite space.
Background
The voltage of the running light should not exceed 36V, should not exceed 24V when working in places and containers all surrounded by metal conductors, should not exceed 12V when working in humid metal containers, places with explosion risks (such as pulverized coal bunker, in channel), desulfurization flue system and the like; the shell of the portable lighting transformer is reliably grounded, and an autotransformer is not used; the portable or fixed step-down transformer is used for supplying power to the portable or fixed lamp, and the transformer is not arranged in a metal container or a particularly humid place; the high-voltage side of the portable lamp transformer is provided with a plug, the low-voltage side of the portable lamp transformer is provided with a socket, and two plugs which cannot be mutually inserted are adopted; the casing of the portable lighting transformer must have a good ground connection and the high voltage side should use a three-phase plug.
When limited space maintenance operation is carried out on an actual production site, an operator often causes the phenomenon of privately pulling the lighting power supply of the AC220V due to insufficient lighting brightness caused by limited capacity of a headlamp battery or short battery endurance time, so that the electric safety working rules are seriously violated, and the personal safety and the equipment safety are threatened.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a be applied to in limited space DC12V portable power supply box, eliminate personnel and throw light on when limited space operation and use the nonstandard action phenomenon of electricity, promote and overhaul operation safety quality, guarantee personnel life safety provides emergency lighting in the limited space operation, eliminates if there is not emergency lighting's phenomenon in the power failure space.
The purpose of the utility model can be realized by the following technical scheme:
a DC12V portable power box applied to a limited space comprises a portable box body, a box cover, a portable handle, a hinge, a second micro-break switch, an intermediate relay, a power alarm and a socket; the portable box passes through the hinge and is connected with the case lid rotation, portable box top sets up portable handle, second little disconnected switch, auxiliary relay and power fixed mounting are in portable box, alarm and socket fixed mounting are on the case lid, auxiliary relay passes through the second and breaks the switch a little and links to each other with the power, alarm and socket connection are on auxiliary relay.
Preferably, a plug is arranged on the portable box body, a first micro-break switch is arranged in the portable box body, and the plug is connected with the power supply through the first micro-break switch.
Preferably, an indicator light is arranged between the first micro-break switch and the power supply, and the indicator light is fixedly arranged on the box cover.
Preferably, the first micro-break switch and the second micro-break switch are both fail-to-fail switches, the power supply outputs a DC12V voltage, and 400 ohm resistors are connected to the positive bus and the negative bus of the power supply in a ground-to-ground manner.
Preferably, a third micro-break switch and a standby mobile power supply are installed in the portable box, the standby mobile power supply is connected with the third micro-break switch through an intermediate relay, and the third micro-break switch is connected with the socket.
Preferably, the alarm is an electronic buzzer alarm, and the type of the electronic buzzer alarm is ZMQ-2724.
The utility model has the advantages that:
1. the first micro-break switch and the second micro-break switch are both under-reporting and under-reporting, the power supply outputs DC12V voltage, a positive bus and a negative bus of the power supply are connected with 400 ohm resistors to the ground, when the power supply module detects the alternating current with the alternating current higher than AC12V, and under-reporting action is carried out if single-phase grounding occurs;
2. if the power supply side fails and loses power, the intermediate relay loses power and acts, and the power supply is switched to a standby mobile power supply mode to provide emergency illumination for operating personnel;
3. when the power supply of the battery fails, the electronic buzzer alarm gives an alarm to remind the operating personnel of emergently evacuating.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of an axial measurement structure of the present invention;
FIG. 3 is a schematic view of the internal structure of the box body of the present invention;
fig. 4 is an electrical schematic diagram of the present invention;
in the figure: 1. a portable box body; 2. a box cover; 3. a portable handle; 4. a hinge; 5. a first micro-break switch; 6. a second micro-break switch; 7. a third micro-break switch; 8. an intermediate relay; 9. a power source; 10. a standby mobile power supply; 11. an indicator light; 12. an alarm; 13. a socket; 14. and (4) a plug.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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.
Referring to fig. 1-4, a DC12V portable power box applied in a limited space includes a portable box body 1, a box cover 2, a portable handle 3, a hinge 4, a second micro-break switch 6, an intermediate relay 8, a power 9, an alarm 12 and a socket 13; portable box 1 rotates with case lid 2 through hinge 4 to be connected, portable box 1 top sets up portable handle 3, second little disconnection switch 6, auxiliary relay 8 and power 9 fixed mounting are in portable box 1, alarm 12 and socket 13 fixed mounting are on case lid 2, auxiliary relay 8 links to each other with power 9 through second little disconnection switch 6, alarm 12 and socket 13 are connected on auxiliary relay 8.
Specifically, a plug 14 is arranged on the portable box body 1, a first micro-disconnection switch 5 is arranged in the portable box body 1, the plug 14 is connected with the power supply 9 through the first micro-disconnection switch 5, the plug 14 is connected with an external power supply unit through the plug 14, and the power supply 9 is charged through the plug 14 to ensure the recycling of the power supply box.
Specifically, be provided with pilot lamp 11 between first little disconnect-switch 5 and the power 9, pilot lamp 11 fixed mounting is on case lid 2, charges for power 9 through setting up pilot lamp 11 and instructs.
Specifically, the first micro-breaker 5 and the second micro-breaker 6 are both fail-to-alarm and no-go switches, the power supply 9 outputs DC12V voltage, the positive bus and the negative bus of the power supply 9 are connected to ground by 400 ohm resistors, and when the power supply module detects alternating current flowing into the AC12V, a fail-to-alarm action occurs if single-phase grounding occurs.
Specifically, install little disconnect-switch 7 of third and reserve portable power source 10 in the portable box 1, reserve portable power source 10 links to each other with little disconnect-switch 7 of third through auxiliary relay 8, little disconnect-switch 7 of third links to each other with socket 13, if power 9 side trouble loses the electricity, auxiliary relay 8 loses the electricity and acts, and the power is cut to reserve portable power source power supply mode, provides emergency lighting for the operation personnel.
Specifically, the alarm 12 is an electronic buzzer alarm, the model of the electronic buzzer alarm is ZMQ-2724, and when the power supply of the battery fails, the electronic buzzer alarm gives an alarm to remind an operator of emergency evacuation.
When the utility model is used, the power box is conveniently carried by arranging the portable box body 1 and the portable handle 3, the box cover 2 is connected above the portable box body 1 through the hinge rotation, the box cover is conveniently opened to overhaul and maintain the interior of the box body, the power supply 9 supplies power for the socket 13, the illuminating lamp is inserted on the socket 13 to provide illumination for the operator, the box cover is connected with the external power supply unit through the plug 14, the power supply 9 is charged through the plug 14 to ensure the recycling of the power box, the indication lamp 11 is set to charge the power supply 9 to indicate, the positive and negative buses at the DC12V side output by the power supply 9 are grounded with 400 ohm resistance, when the direct current of the power supply module detects the alternating current above AC12V, if single-phase grounding occurs, the alarm operation is missed, if the fault of the power supply 9 side is missed, the intermediate relay 8 is not electrified and operates, the power supply is switched to the, the emergency lighting device provides emergency lighting for operators, and when the power supply of the battery fails, the electronic buzzer alarm gives an alarm to remind the operators of emergency evacuation.
The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not exhaustive and do not limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (6)
1. A DC12V portable power box applied to a limited space is characterized by comprising a portable box body (1), a box cover (2), a portable handle (3), a hinge (4), a second micro-switch (6), an intermediate relay (8), a power supply (9), an alarm (12) and a socket (13); portable box (1) is rotated with case lid (2) through hinge (4) and is connected, portable box (1) top sets up portable handle (3), second is disconnected switch (6), auxiliary relay (8) and power (9) fixed mounting a little in portable box (1), alarm (12) and socket (13) fixed mounting are on case lid (2), auxiliary relay (8) link to each other with power (9) through second is disconnected switch (6) a little, alarm (12) and socket (13) are connected on auxiliary relay (8).
2. The portable power box for DC12V applied in a limited space according to claim 1, wherein the portable box body (1) is provided with a plug (14), the portable box body (1) is provided with a first micro-switch (5), and the plug (14) is connected with the power supply (9) through the first micro-switch (5).
3. The portable power box for DC12V applied in a limited space according to claim 2, wherein an indicator light (11) is arranged between the first micro-switch (5) and the power supply (9), and the indicator light (11) is fixedly installed on the box cover (2).
4. The portable power box of DC12V applied in limited space of claim 2, wherein the first and second micro-break switches (5, 6) are both fail-to-fail switches, the power supply (9) outputs DC12V voltage, and the positive and negative bus of the power supply (9) are connected to 400 ohm resistors.
5. The portable power box for DC12V applied in a limited space according to claim 1, wherein a third micro-switch (7) and a standby mobile power supply (10) are installed in the portable box body (1), the standby mobile power supply (10) is connected with the third micro-switch (7) through an intermediate relay (8), and the third micro-switch (7) is connected with an outlet (13).
6. The portable power box of DC12V applied in a limited space according to claim 1, wherein the alarm (12) is an electronic buzzer alarm, and the type of the electronic buzzer alarm is ZMQ-2724.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021163304.7U CN212571803U (en) | 2020-06-19 | 2020-06-19 | DC12V portable power supply box applied to limited space |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021163304.7U CN212571803U (en) | 2020-06-19 | 2020-06-19 | DC12V portable power supply box applied to limited space |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212571803U true CN212571803U (en) | 2021-02-19 |
Family
ID=74613336
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021163304.7U Expired - Fee Related CN212571803U (en) | 2020-06-19 | 2020-06-19 | DC12V portable power supply box applied to limited space |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212571803U (en) |
-
2020
- 2020-06-19 CN CN202021163304.7U patent/CN212571803U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202602134U (en) | Portable DC system load transfer auxiliary tank | |
| CN108493718A (en) | A kind of charge and discharge rifle with external connecting function | |
| CN210137209U (en) | Portable integrated uninterruption ac/dc power source | |
| CN212571803U (en) | DC12V portable power supply box applied to limited space | |
| CN205829286U (en) | A kind of transformer station emergency lighting system | |
| CN202076690U (en) | Mobile feed cabinet | |
| CN104701920A (en) | Portable DC power supply | |
| CN204559211U (en) | Distributed intelligence minisize dc operating power | |
| CN104467157B (en) | Multi-voltage-class standby direct-current operating power source | |
| CN210380253U (en) | Multifunctional online transformer substation direct-current bus voltage loss prevention system | |
| CN107872162B (en) | Comprehensive power management device for vehicle-mounted experiment | |
| CN209088616U (en) | Complete low pressure energy-storage power supplying apparatus | |
| CN209389769U (en) | Complete high-voltage energy storage power supply unit | |
| CN113241620A (en) | Outdoor looped netowrk cabinet | |
| CN203205911U (en) | Mining intrinsically safe type power box | |
| CN208028316U (en) | A kind of charge and discharge rifle with external connecting function | |
| CN203205971U (en) | Direct-current type backup power supply and outdoor direct-current type backup power supply using the same | |
| CN214506647U (en) | Double-battery real-time mutual backup module for optical transport box monitoring equipment | |
| CN206180689U (en) | Mining NULL lithium ion battery uninterrupted power source | |
| CN217587518U (en) | High-voltage vacuum contactor synchronism simple detection device with self-checking function | |
| CN203589814U (en) | Portable direct current power source | |
| CN219067849U (en) | Marine high-pressure tank | |
| CN219123968U (en) | Multifunctional mobile power supply for electric power field emergency | |
| CN216564625U (en) | UPS power is administered and is used harmful substance splitter | |
| CN213242304U (en) | Ad-hoc network wireless embedded wall switch |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210219 Termination date: 20210619 |