CN214380612U - Mining explosion-proof and intrinsically safe DC voltage-stabilized power supply - Google Patents
Mining explosion-proof and intrinsically safe DC voltage-stabilized power supply Download PDFInfo
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- CN214380612U CN214380612U CN202023284389.7U CN202023284389U CN214380612U CN 214380612 U CN214380612 U CN 214380612U CN 202023284389 U CN202023284389 U CN 202023284389U CN 214380612 U CN214380612 U CN 214380612U
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Abstract
The utility model relates to a mining flame-proof and intrinsic safety type DC stabilized voltage power supply, which is provided with a box body and a box cover; one side of the box cover is connected with the box body through a cover hinge; a circuit board is fixed in the box body; the bottom of the box body is externally provided with a first cable lead-in device, a second cable lead-in device and a sealing switch embedded on the wall of the box body, the inside of the box body is provided with a power supply module fixed through a pressing plate, the inside of the right side of the box body is fixed with a transformer, and the outside of the box body is fixed with a grounding component; and a battery encapsulation module is arranged at the rear side of the power module. The utility model is suitable for a have workplaces such as colliery underground, open coal mine, coal preparation factory that gas, coal dust explosion are dangerous.
Description
Technical Field
The utility model relates to a constant voltage power supply technical field, in particular to mining flame proof and intrinsic safety type direct current constant voltage power supply.
Background
In recent years, with the continuous development and progress of scientific technology, the comprehensive automation level of coal mines is greatly improved and the development is towards higher safety and reliability. Therefore, the monitoring equipment in the underground coal mine is produced at the same time, the equipment is not allowed to be powered off, otherwise, the real-time monitoring cannot be carried out, the underground danger coefficient is increased, the conventional uninterruptible power supply cannot manage a power supply or a battery, and the output is single.
Disclosure of Invention
The utility model aims at overcoming the defect that prior art exists, provide a mining flame proof and intrinsically safe type direct current voltage stabilizing power supply who is applicable to workplaces such as the colliery that has gas, coal dust explosion danger is down, open coal mine, coal preparation factory.
Realize the utility model discloses the technical scheme of purpose is: a mining explosion-proof and intrinsically safe DC voltage-stabilized power supply comprises a box body and a box cover; one side of the box cover is connected with the box body through a cover hinge; a circuit board is fixed in the box body; the bottom of the box body is externally provided with a first cable lead-in device, a second cable lead-in device and a sealing switch embedded on the wall of the box body, the inside of the box body is provided with a power supply module fixed through a pressing plate, the inside of the right side of the box body is fixed with a transformer, and the outside of the box body is fixed with a grounding component; and a battery encapsulation module is arranged at the rear side of the power module.
The technical scheme is characterized in that the outer wall of the box body corresponding to the position of the sealed switch is fixed with an on-off label.
In the technical scheme, the box cover is fixedly embedded with an observation window and a display panel; the display panel is electrically connected with the circuit board.
The circuit board comprises a single chip microcomputer processing system, a power supply processing system, a liquid crystal display and remote control circuit, a charging circuit, a remote discharging circuit, a current and voltage acquisition circuit, a transformer and an intrinsic safety module; the external alternating current power supply is connected to the single chip microcomputer processing system after sequentially passing through the transformer, the non-safety power supply input terminal, the charging circuit, the remote discharging circuit and the power supply processing system; the number of the intrinsic safety modules is at least 1, and the intrinsic safety modules are connected to the single chip microcomputer processing system through the non-safety output terminals and the corresponding current and voltage acquisition circuits; the liquid crystal display and remote control circuit is connected with the singlechip processing system.
In the technical scheme, the circuit board is provided with an RS485 communication circuit; and the RS485 communication circuit is connected with the singlechip processing system.
The number of the intrinsic safety modules in the technical scheme is 3.
After the technical scheme is adopted, the utility model discloses following positive effect has:
(1) the utility model has compact and small structure, and is suitable for working places such as coal mine underground, open coal mine, coal preparation plant and the like with gas and coal dust explosion danger; the six paths of intrinsic safety power supply output signals can be provided, and the voltage and the current of the six paths of intrinsic safety output power supplies and the working state of the storage battery can be uploaded while being displayed on the liquid crystal display panel.
(2) The utility model discloses a be fixed with the break-make sign on the box outer wall that corresponds the sealed switch position, be convenient for indicate current state.
(3) The utility model has the advantages that the observation window and the display panel are embedded and fixed on the box cover; the display panel is electrically connected with the circuit board, so that the internal condition of the box body can be observed conveniently, and related parameter information can be read visually.
(4) The utility model discloses a mining power supply can be through the RS485 interface, with the information transmission of gathering for the customer end.
Drawings
In order that the present invention may be more readily and clearly understood, the following detailed description of the present invention is given in conjunction with the accompanying drawings, in which
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a right side knock-out plate of the present invention;
FIG. 3 is a schematic view of a left side knock-out plate of the present invention;
FIG. 4 is a schematic view of the present invention looking down to the box cover;
FIG. 5 is a schematic block diagram of the present invention;
fig. 6 is a schematic diagram of a power supply processing system according to the present invention.
Detailed Description
Referring to fig. 1 to 6, the utility model has a box body 1 and a box cover 2; one side of the box cover 2 is connected with the box body 1 through a cover hinge 3; a circuit board 13 is fixed in the box body 1; the bottom of the box body 1 is externally provided with a first cable lead-in device 6, a second cable lead-in device 8 and a sealing switch 11 embedded on the wall of the box body 1, the inside of the box body is provided with a power module 5 fixed through a pressing plate 4, the inside of the right side of the box body 1 is fixed with a transformer 7, and the outside of the box body is fixed with a grounding component 10; the rear side of the power module 5 is provided with a battery encapsulation module 9.
An on-off label 12 is fixed on the outer wall of the box body 1 corresponding to the position of the sealing switch 11.
An observation window 14 and a display panel 15 are embedded and fixed on the box cover 2; the display panel 15 is electrically connected to the circuit board 13.
The hook is arranged above the back of the box body 1, and a cover hinge 3 structure is adopted between the front box cover 2 and the box body 1, so that the box cover can be opened and closed conveniently. The power supply is provided with only one cavity, and cables connected with all the devices are directly led into the cavity and connected to the corresponding positions of the wire holders.
The circuit board 13 comprises a singlechip processing system 16, a power supply processing system 17, a liquid crystal display and remote control circuit 18, a charging circuit, a remote discharging circuit 19, a current and voltage acquisition circuit 20, a transformer 21 and an intrinsic safety module 24; an external alternating current power supply is connected to the single chip microcomputer processing system 16 after passing through the transformer 21, the non-safety power supply input terminal 22, the charging circuit, the remote discharging circuit 19 and the power supply processing system 17 in sequence; the number of the intrinsic safety modules 24 is 3, and the intrinsic safety modules are connected to the singlechip processing system 16 through the non-safety output terminals and the corresponding current and voltage acquisition circuits 20; the liquid crystal display and remote control circuit 18 is connected with the singlechip processing system 16. The circuit board 13 is provided with an RS485 communication circuit 23; and the RS485 communication circuit 23 is connected with the singlechip processing system 16. The singlechip processing system 16 selects C8051F021 or C8051F 023.
The external ac power source comprises 1140/660/220/127V.
The utility model discloses a theory of operation does: after an external alternating current power supply is input into a mining power supply, alternating current is converted into an unsafe power supply through a transformer, power can be supplied to 3 intrinsic safety power supply modules at most, and output of 6 paths of intrinsic safety power supplies is achieved. The intrinsic safety power supply module is a module for converting an insecure power supply into an intrinsic safety power supply. After this ampere of power module power supply, exportable this ampere of power to can gather the singlechip with output power's voltage, output power's electric current through electric current, voltage acquisition circuit, can show on the display screen after the singlechip is gathered. The singlechip can also acquire the battery charge-discharge state of the power supply, the voltage of the battery and the alternating current-direct current power supply state, and can realize the remote discharge function of the power supply.
The mining power supply can send the acquired information to the client through the RS485 interface.
Referring to fig. 6, AC inputs of different voltage levels enter the AC/DC converter through the transformer and the fuse, the AC/DC outputs a stable DC voltage, and one path of the DC voltage is connected to the backup battery through the battery management circuit; and the other 6 paths are processed by DC/DC and intrinsic safety to obtain stable power output.
In order to meet the requirement of intrinsic safety performance, double overcurrent and overvoltage protection is adopted, so that the output meets the requirement of intrinsic safety performance. When the alternating current is in power failure, the electric energy stored in the storage battery is discharged through DC/DC and intrinsic safety treatment, stable power output is kept, and the uninterrupted power supply function is realized. The switch is used for disconnecting the battery and the circuit after the power supply is opened.
The 6-channel intrinsically safe output power supply can output the voltage and current of the power supply, the working state of the storage battery and the state of the alternating current, and can remotely transmit the voltage and current, the working state of the storage battery and the state of the alternating current while displaying on the liquid crystal display panel.
The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (6)
1. A mining explosion-proof and intrinsic safety type direct current stabilized power supply comprises a box body (1) and a box cover (2); one side of the box cover (2) is connected with the box body (1) through a cover hinge (3); a circuit board (13) is fixed in the box body (1); the method is characterized in that: a first cable lead-in device (6), a second cable lead-in device (8) and a sealing switch (11) embedded on the wall of the box body (1) are arranged outside the bottom of the box body (1), a power module (5) is fixed inside the box body through a pressing plate (4), a transformer (7) is fixed inside the right side of the box body (1), and a grounding component (10) is fixed outside the box body; and a battery encapsulation module (9) is arranged on the rear side of the power module (5).
2. The mining flameproof and intrinsically safe direct-current voltage-stabilized power supply of claim 1, which is characterized in that: an on-off label (12) is fixed on the outer wall of the box body (1) corresponding to the position of the sealing switch (11).
3. The mining flameproof and intrinsically safe direct-current voltage-stabilized power supply according to claim 1 or 2, which is characterized in that: an observation window (14) and a display plate (15) are embedded and fixed on the box cover (2); the display panel (15) is electrically connected to the circuit board (13).
4. The mining flameproof and intrinsically safe direct-current voltage-stabilized power supply according to claim 3, characterized in that: the circuit board (13) comprises a single chip microcomputer processing system (16), a power supply processing system (17), a liquid crystal display and remote control circuit (18), a charging circuit, a remote discharging circuit (19), a current and voltage acquisition circuit (20), a transformer (7) and an intrinsic safety module; an external alternating current power supply is connected to the single chip microcomputer processing system (16) after passing through the transformer (7), the non-safety power supply input terminal (22), the charging circuit, the remote discharging circuit (19) and the power supply processing system (17) in sequence; the number of the intrinsic safety modules is at least 1, and the intrinsic safety modules are connected to a single chip microcomputer processing system (16) through an insecure output terminal and a corresponding current and voltage acquisition circuit (20); the liquid crystal display and remote control circuit (18) is connected with the singlechip processing system (16).
5. The mining flameproof and intrinsically safe direct-current voltage-stabilized power supply according to claim 4, characterized in that: an RS485 communication circuit (23) is arranged on the circuit board (13); and the RS485 communication circuit (23) is connected with the single chip microcomputer processing system (16).
6. The mining flameproof and intrinsically safe direct-current voltage-stabilized power supply of claim 5, which is characterized in that: the number of the intrinsic safety modules is 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023284389.7U CN214380612U (en) | 2020-12-30 | 2020-12-30 | Mining explosion-proof and intrinsically safe DC voltage-stabilized power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023284389.7U CN214380612U (en) | 2020-12-30 | 2020-12-30 | Mining explosion-proof and intrinsically safe DC voltage-stabilized power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214380612U true CN214380612U (en) | 2021-10-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023284389.7U Active CN214380612U (en) | 2020-12-30 | 2020-12-30 | Mining explosion-proof and intrinsically safe DC voltage-stabilized power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214380612U (en) |
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2020
- 2020-12-30 CN CN202023284389.7U patent/CN214380612U/en active Active
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