CN202475005U - A flame-detector-used power supply cabinet - Google Patents
A flame-detector-used power supply cabinet Download PDFInfo
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- CN202475005U CN202475005U CN201220046533XU CN201220046533U CN202475005U CN 202475005 U CN202475005 U CN 202475005U CN 201220046533X U CN201220046533X U CN 201220046533XU CN 201220046533 U CN201220046533 U CN 201220046533U CN 202475005 U CN202475005 U CN 202475005U
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- power
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- power supply
- cabinet
- monitoring
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Abstract
Provided is a flame-detector-used power supply cabinet. The power supply cabinet comprises a cabinet body with a door that can be opened, and a base board disposed in the cabinet body. The inner side and the outer side of a side wall of the cabinet body are provided with a cooling fan and a filter, respectively while the outer side of the other side wall of the cabinet body is correspondingly provided with a filter, and the bottom of the cabinet body is provided with a hole for leading in or leading out power cables. The base board is provided with a binding post strip, a first breaker for controlling a power supply of the cooling fans, at least two breakers connected with external fundamental frequency power supply via the binding post strip, namely a second breaker and a third breaker, at least two switching power supplies, at least two bridges, at least two power-supply-monitoring relays for monitoring the external fundamental frequency power supply, namely a first power-supply-monitoring relay and a second power-supply-monitoring relay, at least two power-supply-monitoring relays for monitoring the switching power supplies, namely a third power-supply-monitoring relay and a fourth power-supply-monitoring relay, and a grounding strip. The power supply cabinet, which converts on-site fundamental frequency power into DC power so as to provide the DC power to flame-detecting apparatuses of a safety-monitoring system for boiler combustion, has the characteristics of good stability and reliability, simple structure, and high cost performance.
Description
Technical field
The utility model relates to a kind of power cabinet, is specifically related to a kind of fire inspection power cabinet.
Background technology
At any time the development of industrial control technology, power cabinet need installed and use to a lot of automation control area all at the scene, is used for power supply to equipment such as electronics, communication, checkout equipments being provided.As the power cabinet of open air use, particularly thermal power plant, because scene temperature is than higher; Add to prepare mostly in the power cabinet power supply is arranged; Also can produce more heat transfer, so on-the-spot heat dissipation problem aging through regular meeting's acceleration equipment directly has influence on useful life of equipment.Prior art is employed in the heat dissipation problem of dress installation refrigeration plant solution power cabinet in the power cabinet; As adopt outdoor air-conditioning; Freezed in rack inside, but this refrigeration modes at first is that cost is higher, secondly from actual operating position; Its failure rate is than higher, especially for the generator of fire inspection power supply.In practical operation, over a year, except big turn(a)round, the user requires the continuous non-stop run of power cabinet, so its failure rate height can not be accepted by the user.
For the power cabinet that power supply is provided for flame detector, the reliability that requires power supply is considered repair and maintenance than higher, and power supply preferably adopts uninterrupted power supply.Though uninterrupted power supply has been widely used in the every field of Industry Control at present, the common more complicated of its structure, cost is than higher, is exactly wherein a kind of like the application of automatic change-over.
Summary of the invention
The purpose of the utility model is to design a kind of fire inspection power cabinet, and the power frequency electricity at scene is converted into DC power supply, and the fire that offers the boiler combustion safety monitoring system is under examined equipment, has characteristics such as reliable and stable, simple in structure, cost performance height.
In order to achieve the above object, the technical scheme of the utility model is following:
A kind of fire inspection power cabinet comprises: cabinet, be the opening door cabinet, and the inside and outside both sides of its side plate are respectively equipped with radiator fan and filter, and the outside of its another side plate is arranged with filter, and its bottom is provided with the perforation that is used to insert or pick out feed cable; Base plate is arranged at cabinet inside, is provided with on it to comprise connecting terminal block; Be used to control first circuit breaker of radiator fan power supply, be connected with extraneous power frequency supply through connecting terminal block, its output is connected with radiator fan; At least two circuit breakers are second, third circuit breaker, are connected with extraneous power frequency supply through connecting terminal block respectively; At least two Switching Power Supplies, its input is connected with the output of second, third circuit breaker respectively, and its cathode output end is connected with the negative pole of the power supply of flame detector through connecting terminal block; At least two bridge heaps; Be respectively equipped with two inputs; One input end is connected with the cathode output end of a Switching Power Supply, and another input is connected with the cathode output end of another Switching Power Supply, and its output is connected with the positive pole of the power supply of flame detector through fuse terminal; At least two power monitoring relays that are used to keep watch on extraneous power frequency supply are first, second power monitoring relay, and it is connected with extraneous power frequency supply through connecting terminal block respectively; At least two power monitoring relays that are used for the monitoring switch power supply are the 3rd, the 4th power monitoring relay, and it is connected with Switching Power Supply respectively; The output contact of said power monitoring relay is connected to the boiler combustion safety control system; Ground connection row, it is connected with extraneous power frequency supply through connecting terminal block, and it directly is connected with Switching Power Supply.
Further, the back plate of said cabinet is respectively installed a construction bolt that is used for the said base plate of inlay card for four jiaos.
Again, a rain cover is installed at the top of said cabinet, has further improved the outdoor protective capacities that needs field erected equipment.
The beneficial effect of the utility model:
1, the utility model is used at least two Switching Power Supplies and is connected with at least two bridges are piled; Just realized the purpose that multiple power supplies is redundant mutually, automatically switch with the simplest this mode; A kind of simple and direct uninterrupted power supply is provided, and the stability of out-put supply is high, practical.
2, the use of power monitoring relay is to the supervision of flame detector power supply, on the other hand the signal of telecommunication is flowed to field control system, instant alarming.
3, corresponding radiator fan and the filter of installing on the cabinet biside plate obviously improved the radiating effect of power cabinet internal switch power supply, prolonged the useful life of equipment.
Description of drawings
Fig. 1 is the structural representation of the utility model one embodiment.
Fig. 2 is the circuit theory diagrams of the utility model one embodiment.
Embodiment
Below in conjunction with Figure of description the utility model is further described:
Referring to Fig. 1, Fig. 2, the fire of the utility model inspection power cabinet comprises; Cabinet 1 is the opening door cabinet, and the inside and outside both sides of its side plate are respectively equipped with radiator fan 2 and filter 3; The outside correspondence of its another side plate is provided with filter 3, and its bottom is provided with the perforation 4 that is used to insert or pick out feed cable; Base plate 5 is arranged at cabinet 1 inside, is provided with on it to comprise connecting terminal block 6; Be used to control first circuit breaker 7 of radiator fan power supply 2, be connected with extraneous power frequency supply 23,24 through connecting terminal block 6, its output is connected with radiator fan 2; Two circuit breakers i.e. second circuit breaker 8, the 3rd circuit breaker 9, is connected with extraneous power frequency supply 23,24 through connecting terminal block 6 respectively; Two Switching Power Supplies 10,11, its input are connected with the output of second circuit breaker 8, the 3rd circuit breaker 9 respectively, and the cathode output end of Switching Power Supply 10,11 is connected with the negative pole of the power supply 25 of flame detector through connecting terminal block 6; Two bridge heaps; Be respectively equipped with two inputs; One input of bridge heap 12,13 is connected with the cathode output end of Switching Power Supply 10; Another input of bridge heap 12,13 is connected with the cathode output end of Switching Power Supply 11, and the output of bridge heap 12,13 is connected with the positive pole of the power supply 25 of flame detector through fuse terminal 20,21; Two power monitoring relays that are used to keep watch on extraneous power frequency supply 23,24 i.e. the first power monitoring relay 14, second source supervisory relay 15, and it is connected with extraneous power frequency supply 23,24 through connecting terminal block 6 respectively; Two power monitoring relays that are used for monitoring switch power supply 10,11 i.e. the 3rd power monitoring relay 16, the 4th power monitoring relay 17; Be connected with Switching Power Supply 10,11 respectively, the output contact of said power monitoring relay 14～17 is connected to the boiler combustion safety control system; Ground connection row 18, and it is connected with extraneous power frequency supply 23,24 through connecting terminal block 6, and ground connection is arranged 18 and is connected with Switching Power Supply 10,11.
Further, the back plate of cabinet 1 is respectively installed a construction bolt 19 that is used for the said base plate 5 of inlay card for four jiaos.
Again, a rain cover 22 is installed at the top of cabinet 1 in the present embodiment, has further improved the outdoor protective capacities that needs field erected equipment.
Two Switching Power Supplies 10,11 of the utility model application are connected with two bridges heaps 12,13; Just realized that multiple power supplies is redundant mutually, automaticallyed switch with the simplest this mode; A kind of simple and direct uninterrupted power supply is provided, and the stability of out-put supply is high, practical.
In addition, the utility model simultaneously, flows to field control system with the signal of telecommunication, instant alarming through the supervision of 14～17 pairs of flame detector power supplys of power monitoring relay.
The utility model is installed radiator fan 2 and filter 3 in cabinet 1 biside plate symmetry, forms convection current, uses circulation of air more smooth and easy, to inner better heat-radiation effect.
Claims (3)
1. a fire inspection power cabinet is characterized in that, comprising:
Cabinet is the opening door cabinet, and the inside and outside both sides of its side plate are respectively equipped with radiator fan and filter, and the outside of its another side plate is arranged with filter, and its bottom is provided with the perforation that is used to insert or pick out feed cable;
Base plate is arranged at cabinet inside, is provided with on it to comprise,
Connecting terminal block;
Be used to control first circuit breaker of radiator fan power supply, be connected with extraneous power frequency supply through connecting terminal block, its output is connected with radiator fan;
At least two circuit breakers are second, third circuit breaker, are connected with extraneous power frequency supply through connecting terminal block respectively;
At least two Switching Power Supplies, its input is connected with the output of second, third circuit breaker respectively, and its cathode output end is connected with the negative pole of the power supply of flame detector through connecting terminal block;
At least two bridge heaps; Be respectively equipped with two inputs; One input end is connected with the cathode output end of a Switching Power Supply, and another input is connected with the cathode output end of another Switching Power Supply, and its output is connected with the positive pole of the power supply of flame detector through fuse terminal;
At least two power monitoring relays that are used to keep watch on extraneous power frequency supply are first, second power monitoring relay, and it is connected with extraneous power frequency supply through connecting terminal block respectively;
At least two power monitoring relays that are used for the monitoring switch power supply are the 3rd, the 4th power monitoring relay, and it is connected with Switching Power Supply respectively;
The output contact of said power monitoring relay is connected to the boiler combustion safety control system;
Ground connection row, it is connected with extraneous power frequency supply through connecting terminal block, and it directly is connected with Switching Power Supply.
2. fire inspection power cabinet according to claim 1 is characterized in that the back plate of said cabinet is respectively installed a construction bolt that is used for the said base plate of inlay card for four jiaos.
3. fire inspection power cabinet according to claim 1 is characterized in that a rain cover is installed at the top of said cabinet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220046533XU CN202475005U (en) | 2012-02-14 | 2012-02-14 | A flame-detector-used power supply cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220046533XU CN202475005U (en) | 2012-02-14 | 2012-02-14 | A flame-detector-used power supply cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202475005U true CN202475005U (en) | 2012-10-03 |
Family
ID=46923132
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220046533XU Expired - Fee Related CN202475005U (en) | 2012-02-14 | 2012-02-14 | A flame-detector-used power supply cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202475005U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107404073A (en) * | 2017-08-07 | 2017-11-28 | 河南森源电气股份有限公司 | Low voltage switch equipment |
-
2012
- 2012-02-14 CN CN201220046533XU patent/CN202475005U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107404073A (en) * | 2017-08-07 | 2017-11-28 | 河南森源电气股份有限公司 | Low voltage switch equipment |
| CN107404073B (en) * | 2017-08-07 | 2023-12-22 | 河南森源电气股份有限公司 | Low-voltage switching device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20121003 Termination date: 20190214 |