CN213521707U - Water supply equipment with part only provided with safe voltage - Google Patents
Water supply equipment with part only provided with safe voltage Download PDFInfo
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- CN213521707U CN213521707U CN202021609862.1U CN202021609862U CN213521707U CN 213521707 U CN213521707 U CN 213521707U CN 202021609862 U CN202021609862 U CN 202021609862U CN 213521707 U CN213521707 U CN 213521707U
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Abstract
A water supply device with a part only having safe voltage belongs to the technical field of safe voltage of water supply devices. The utility model divides the power supply area into a safe area and an unsafe area, a circuit breaker and a switch power supply circuit are arranged in the unsafe area, a safe load end 1 and a safe load end 2 are arranged in the safe area, the safe area and the unsafe area are isolated by an isolation transformer, the input end of the circuit breaker is connected with a non-safe incoming line voltage end, and the non-safe incoming line voltage end provides a first power supply voltage; the primary coil of the isolation transformer is connected with the output end of the circuit breaker, the isolation transformer is used for isolating the unsafe incoming line voltage, and the voltage end of the isolated incoming line is used as a second power supply voltage; the input end of the switching power supply circuit is connected with the secondary coil of the isolation transformer, and the switching power supply circuit is used for converting alternating current of second power supply voltage into direct current; the input end of each safety load 1 is connected with the output end 1 of the switch power supply circuit, and the input end of each safety load 2 is connected with the output end 2 of the switch power supply circuit.
Description
Technical Field
The utility model belongs to the technical field of water supply equipment safe voltage, especially, it is relevant with the water supply equipment of part only taking safe voltage.
Background
Urban high-rise buildings are also increasing. The secondary water supply equipment is more and more widely used as new water supply equipment, and meanwhile, due to the fact that the secondary water supply equipment is continuously increased, due to the fact that the circuit layout of the power supply end of the existing water supply equipment is disordered, serious potential safety hazards exist at the power supply end.
SUMMERY OF THE UTILITY MODEL
To the problem that above-mentioned background art exists, the utility model provides a water supply equipment of safe voltage is only taken to part.
Therefore, the utility model adopts the following technical scheme: a water supply device with only safe voltage at part comprises a circuit breaker, an isolation transformer, a switch power supply circuit, a plurality of safe load ends 1 and a plurality of safe load ends 2, wherein a power supply area is divided into a safe area and an unsafe area, the circuit breaker and the switch power supply circuit are arranged in the unsafe area, the plurality of safe load ends 1 and the plurality of safe load ends 2 are arranged in the safe area, the safe area and the unsafe area are isolated through the isolation transformer, the input end of the circuit breaker is connected with a non-safe incoming line voltage end, and the non-safe incoming line voltage end provides first power supply voltage; the primary coil of the isolation transformer is connected with the output end of the circuit breaker, the isolation transformer is used for isolating the non-safety incoming line voltage, and the voltage end of the isolated incoming line is used as a second power supply voltage; the input end of the switching power supply circuit is connected with the secondary coil of the isolation transformer, and the switching power supply circuit is used for converting the alternating current of the second power supply voltage into direct current; the input end of each safety load 1 is connected with the output end 1 of the switch power supply circuit, and the input end of each safety load 2 is connected with the output end 2 of the switch power supply circuit.
The water supply equipment further comprises a plurality of frequency converter control units, an electric valve control execution mechanism, a plurality of frequency converter control units, the electric valve control execution mechanism is arranged in a non-safety area formed on a safety area independently, and a data acquisition control unit, wherein each frequency converter control unit is used for regulating and controlling the frequency of the water supply equipment so as to output the frequency to a second type of load.
The unsafe incoming line voltage end is set to 380V.
The second power supply voltage is set to 220V.
The dc voltage was set to 24V.
The utility model discloses following beneficial effect can be reached: the utility model discloses a divide into safe power supply and unsafe power supply district with power supply unit, safe power supply and unsafe power supply district keep apart through isolation transformer and separate to the security performance of water supply unit feeder ear has been improved.
Drawings
Fig. 1 is a schematic diagram of the power supply terminal layout of the present invention.
Fig. 2 is a schematic view of the layout of the incoming line end of the present invention.
Detailed Description
The following detailed description of embodiments of the present invention will be made with reference to the accompanying drawings.
As shown in fig. 1-2, the present invention includes a circuit breaker, an isolation transformer, a switching power supply circuit, a plurality of safety load terminals 1 and a plurality of safety load terminals 2, wherein the power supply region is divided into a safety region and an unsafe region, the circuit breaker and the switching power supply circuit are disposed in the unsafe region, the plurality of safety load terminals 1 and the plurality of safety load terminals 2 are disposed in the safety region, the safety region and the unsafe region are isolated by the isolation transformer, the input terminal of the circuit breaker is connected to a non-safety incoming voltage terminal, and the non-safety incoming voltage terminal provides a first power voltage; the primary coil of the isolation transformer is connected with the output end of the circuit breaker, the isolation transformer is used for isolating the non-safety incoming line voltage, and the voltage end of the isolated incoming line is used as a second power supply voltage; the input end of the switching power supply circuit is connected with the secondary coil of the isolation transformer, and the switching power supply circuit is used for converting the alternating current of the second power supply voltage into direct current; the input end of each safety load 1 is connected with the output end 1 of the switch power supply circuit, and the input end of each safety load 2 is connected with the output end 2 of the switch power supply circuit.
The water supply equipment further comprises a plurality of frequency converter control units, an electric valve control execution mechanism, a plurality of frequency converter control units, the electric valve control execution mechanism is arranged in a non-safety area formed on a safety area independently, and a data acquisition control unit, wherein each frequency converter control unit is used for regulating and controlling the frequency of the water supply equipment so as to output the frequency to a second type of load. The unsafe inlet voltage terminal is set to 380V. The second power supply voltage was set to 220V.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. The utility model provides a water supply equipment of safe voltage is taken only to part which characterized in that: the water supply equipment comprises a circuit breaker, an isolation transformer, a switch power supply circuit, a plurality of safe load ends 1 and a plurality of safe load ends 2, wherein a power supply area is divided into a safe area and an unsafe area, the circuit breaker and the switch power supply circuit are arranged in the unsafe area, the plurality of safe load ends 1 and the plurality of safe load ends 2 are arranged in the safe area, the safe area and the unsafe area are isolated through the isolation transformer, the input end of the circuit breaker is connected with a non-safe incoming line voltage end, and the non-safe incoming line voltage end provides first power supply voltage; the primary coil of the isolation transformer is connected with the output end of the circuit breaker, the isolation transformer is used for isolating the non-safety incoming line voltage, and the voltage end of the isolated incoming line is used as a second power supply voltage; the input end of the switching power supply circuit is connected with the secondary coil of the isolation transformer, and the switching power supply circuit is used for converting the alternating current of the second power supply voltage into direct current; the input end of each safety load 1 is connected with the output end 1 of the switch power supply circuit, and the input end of each safety load 2 is connected with the output end 2 of the switch power supply circuit.
2. A water supply installation with only a safe voltage for part as claimed in claim 1, wherein: the water supply equipment further comprises a plurality of frequency converter control units, an electric valve control execution mechanism, a plurality of frequency converter control units, the electric valve control execution mechanism is arranged in a non-safety area formed on a safety area independently, and a data acquisition control unit, wherein each frequency converter control unit is used for regulating and controlling the frequency of the water supply equipment so as to output the frequency to a second type of load.
3. A water supply installation with only a safe voltage for part as claimed in claim 2, wherein: the unsafe incoming line voltage end is set to 380V.
4. A water supply apparatus with only a safety voltage applied to a part thereof according to claim 3, wherein: the second power supply voltage is set to 220V.
5. The water supply apparatus with only a safety voltage as claimed in claim 4, wherein: the dc voltage was set to 24V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021609862.1U CN213521707U (en) | 2020-08-06 | 2020-08-06 | Water supply equipment with part only provided with safe voltage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021609862.1U CN213521707U (en) | 2020-08-06 | 2020-08-06 | Water supply equipment with part only provided with safe voltage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213521707U true CN213521707U (en) | 2021-06-22 |
Family
ID=76436816
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021609862.1U Active CN213521707U (en) | 2020-08-06 | 2020-08-06 | Water supply equipment with part only provided with safe voltage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213521707U (en) |
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2020
- 2020-08-06 CN CN202021609862.1U patent/CN213521707U/en active Active
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