CN202586756U - Explosion-proof power supply module - Google Patents
Explosion-proof power supply module Download PDFInfo
- Publication number
- CN202586756U CN202586756U CN 201220216248 CN201220216248U CN202586756U CN 202586756 U CN202586756 U CN 202586756U CN 201220216248 CN201220216248 CN 201220216248 CN 201220216248 U CN201220216248 U CN 201220216248U CN 202586756 U CN202586756 U CN 202586756U
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- power supply
- circuit
- mainboard
- instrument
- voltage value
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Abstract
The utility model discloses an explosion-proof power supply module, which comprises a sealed explosion-proof box, a mainboard safety barrier, a mainboard power supply circuit, a wireless module power supply circuit, an analog quantity instrument power supply circuit, an instrument safety barrier, a first voltage value instrument circuit, a second voltage value instrument circuit and a third voltage value instrument circuit. The mainboard safety barrier, the mainboard power supply circuit, the wireless module power supply circuit, the analog quantity instrument power supply circuit, the instrument safety barrier, the first voltage value instrument circuit, the second voltage value instrument circuit and the third voltage value instrument circuit are all encapsulated in the sealed explosion-proof box. The mainboard safety barrier is respectively connected with the mainboard power supply circuit, the wireless module power supply circuit and the analog quantity instrument power supply circuit through a first transformer. The instrument safety barrier and the mainboard safety barrier are connected together. The instrument safety barrier is also respectively connected with the first voltage value instrument circuit, the second voltage value instrument circuit and the third voltage value instrument circuit through a second transformer. According to the utility model, all power supply modules are intensively arranged inside the explosion-proof box. Thus, the explosion-proof power supply module has the advantages of small volume, high output, strong practicability and convenient operation, thereby suiting the market demand.
Description
Technical field
The utility model relates to a kind of explosion-proof power supply module, belongs to the explosion-proof technology field, is used for industry general environments such as oil, chemical industry, government utility and hydraulic and electric engineering or the damp hazardous area is arranged.
Background technology
At present, use radio communication, the same danger that has the ignition combustion gas at the transmission & distribution station that has been full of the high, medium and low voltage combustion gas; Because all monitoring equipments all need power supply,, use power supply will inevitably cause spark if not through explosion-proof technology; Thereby the transmission & distribution station is produced potential safety hazard; Also have employing that each power supply is adopted antiknock device separately, but cost is very big, it is big to take up room.
Summary of the invention
The purpose of the utility model is the defective that overcomes prior art, provide a kind of simple in structure, each supply module is combined in a flame proof box and practical explosion-proof power supply module.
The technical scheme that realizes the utility model purpose is: a kind of explosion-proof power supply module; It comprises sealing flame proof box and all waters mainboard guard grating, feed circuit of mainboard, wireless module power supply circuits, analog quantity instrument power supply circuit, instrument safety grid, the first magnitude of voltage appliance circuit, the second magnitude of voltage appliance circuit and the tertiary voltage value appliance circuit that is enclosed in the sealing flame proof box; The mainboard guard grating is connected with feed circuit of mainboard, wireless module power supply circuits and analog quantity instrument power supply circuit respectively through first transformer; The instrument safety grid are connected with the mainboard guard grating; The instrument safety grid are connected with the first magnitude of voltage appliance circuit, the second magnitude of voltage appliance circuit and tertiary voltage value appliance circuit respectively through second transformer; Sealing flame proof box is outside equipped with first connector port that connects feed circuit of mainboard, wireless module power supply circuits and analog quantity instrument power supply circuit, and sealing flame proof box also is provided with second connector port that connects the first magnitude of voltage appliance circuit, the second magnitude of voltage appliance circuit and tertiary voltage value appliance circuit outward.
Further, the input of mainboard guard grating is connected with the AC transformation circuit.
Further, first connector port is female for row.
Further, described second connector port is a connector.
After having adopted technique scheme, the utility model concentrates on each supply module in the flame proof box, and volume is little like this; Output is high, and is practical, the convenient use; The supply power voltage value of instrument has three kinds simultaneously, and the power supply instrument type compatibility that can connect is good, more adapts to the requirement in market; If power supply is the AC power input of 220V, can this AC power be transformed into DC power supply carry out next step work at AC transformation circuit of input termination of mainboard guard grating.
Description of drawings
Fig. 1 is the theory diagram of first kind of structure of the explosion-proof power supply module of the utility model;
Fig. 2 is the theory diagram of second kind of structure of the explosion-proof power supply module of the utility model;
Fig. 3 is the structural representation of the explosion-proof power supply module of the utility model;
Fig. 4 is the A-A cutaway view of Fig. 3;
Fig. 5 is the circuit theory diagrams of the mainboard guard grating of the utility model;
Fig. 6 is the circuit theory diagrams that first transformer of the utility model is connected with the wireless module power supply circuits;
Fig. 7 is the circuit theory diagrams of the utility model feed circuit of mainboard;
Fig. 8 is the circuit theory diagrams of the utility model analog quantity instrument power supply circuit;
Fig. 9 is the circuit theory diagrams that the instrument safety grid of the utility model are connected with second transformer and peripheral circuit thereof;
Figure 10 is second transformer of the utility model and the circuit theory diagrams that peripheral circuit connects thereof;
Figure 11 is the circuit theory diagrams of the second magnitude of voltage appliance circuit of the utility model;
Figure 12 is the circuit theory diagrams of the tertiary voltage value appliance circuit of the utility model;
Figure 13 is the circuit theory diagrams of the first magnitude of voltage appliance circuit of the utility model;
Figure 14 is the circuit theory diagrams of AC transformation circuit of second kind of structure of the utility model.
Embodiment
For the content that makes the utility model is expressly understood more easily, below according to specific embodiment and combine accompanying drawing, the utility model is done further detailed explanation,
Embodiment one
Like Fig. 1, shown in 3 ~ 13; A kind of explosion-proof power supply module; It comprises sealing flame proof box 1 and all waters mainboard guard grating 2, feed circuit of mainboard, wireless module power supply circuits, analog quantity instrument power supply circuit, instrument safety grid 3, the first magnitude of voltage appliance circuit, the second magnitude of voltage appliance circuit and the tertiary voltage value appliance circuit that is enclosed in the sealing flame proof box 1; Mainboard guard grating 2 is connected with feed circuit of mainboard, wireless module power supply circuits and analog quantity instrument power supply circuit respectively through first transformer; Instrument safety grid 3 are connected with mainboard guard grating 2 through winding displacement; Instrument safety grid 3 are connected with the first magnitude of voltage appliance circuit, the second magnitude of voltage appliance circuit and tertiary voltage value appliance circuit respectively through second transformer; Sealing flame proof box 1 is outside equipped with first connector port 4 that connects feed circuit of mainboard, wireless module power supply circuits and analog quantity instrument power supply circuit, sealing flame proof box 1 outer second connector port 5 that connects the first magnitude of voltage appliance circuit, the second magnitude of voltage appliance circuit and tertiary voltage value appliance circuit that also is provided with.
Like Fig. 3, shown in 4, described first connector port 4 is female for row.Described second connector port 5 is a connector.
Embodiment two
Shown in Fig. 2 ~ 14; A kind of explosion-proof power supply module; It comprises sealing flame proof box 1 and all waters mainboard guard grating 2, feed circuit of mainboard, wireless module power supply circuits, analog quantity instrument power supply circuit, instrument safety grid 3, the first magnitude of voltage appliance circuit, the second magnitude of voltage appliance circuit and the tertiary voltage value appliance circuit that is enclosed in the sealing flame proof box 1; Mainboard guard grating 2 is connected with feed circuit of mainboard, wireless module power supply circuits and analog quantity instrument power supply circuit respectively through first transformer; Instrument safety grid 3 are connected with mainboard guard grating 2 through winding displacement; Instrument safety grid 3 are connected with the first magnitude of voltage appliance circuit, the second magnitude of voltage appliance circuit and tertiary voltage value appliance circuit respectively through second transformer; Sealing flame proof box 1 is outside equipped with first connector port 4 that connects feed circuit of mainboard, wireless module power supply circuits and analog quantity instrument power supply circuit, sealing flame proof box 1 outer second connector port 5 that connects the first magnitude of voltage appliance circuit, the second magnitude of voltage appliance circuit and tertiary voltage value appliance circuit that also is provided with.
Shown in figure 14, the input of mainboard guard grating 2 is connected with the AC transformation circuit, and the AC transformation circuit is connected on the 220V AC power again.
Like Fig. 3, shown in 4, first connector port 4 is female for row, and second connector port 5 is a connector.
The operation principle of the utility model is following:
Above-described specific embodiment; Purpose, technical scheme and beneficial effect to the utility model have carried out further explain, it should be understood that the above is merely the specific embodiment of the utility model; Be not limited to the utility model; All within the spirit and principle of the utility model, any modification of being made, be equal to replacement, improvement etc., all should be included within the protection range of the utility model.
Claims (4)
1. explosion-proof power supply module; It is characterized in that: it comprises sealing flame proof box (1) and all waters mainboard guard grating (2), feed circuit of mainboard, wireless module power supply circuits, analog quantity instrument power supply circuit, instrument safety grid (3), the first magnitude of voltage appliance circuit, the second magnitude of voltage appliance circuit and the tertiary voltage value appliance circuit that is enclosed in the sealing flame proof box (1); Mainboard guard grating (2) is connected with feed circuit of mainboard, wireless module power supply circuits and analog quantity instrument power supply circuit respectively through first transformer; Instrument safety grid (3) are connected with mainboard guard grating (2); Instrument safety grid (3) are connected with the first magnitude of voltage appliance circuit, the second magnitude of voltage appliance circuit and tertiary voltage value appliance circuit respectively through second transformer; Sealing flame proof box (1) is outside equipped with first connector port (4) that connects feed circuit of mainboard, wireless module power supply circuits and analog quantity instrument power supply circuit, outer second connector port (5) that connects the first magnitude of voltage appliance circuit, the second magnitude of voltage appliance circuit and tertiary voltage value appliance circuit that also is provided with of sealing flame proof box (1).
2. explosion-proof power supply module according to claim 1 is characterized in that: the input of described mainboard guard grating (2) is connected with the AC transformation circuit.
3. explosion-proof power supply module according to claim 1 is characterized in that: described first connector port (4) is female for row.
4. explosion-proof power supply module according to claim 1 is characterized in that: described second connector port (5) is a connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220216248 CN202586756U (en) | 2012-05-15 | 2012-05-15 | Explosion-proof power supply module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220216248 CN202586756U (en) | 2012-05-15 | 2012-05-15 | Explosion-proof power supply module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202586756U true CN202586756U (en) | 2012-12-05 |
Family
ID=47256118
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220216248 Expired - Lifetime CN202586756U (en) | 2012-05-15 | 2012-05-15 | Explosion-proof power supply module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202586756U (en) |
-
2012
- 2012-05-15 CN CN 201220216248 patent/CN202586756U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121205 |