CN211405458U - Phase-loss protection and trip alarm device for outdoor fan hot-air fan of gas generator set - Google Patents
Phase-loss protection and trip alarm device for outdoor fan hot-air fan of gas generator set Download PDFInfo
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- CN211405458U CN211405458U CN201921824676.7U CN201921824676U CN211405458U CN 211405458 U CN211405458 U CN 211405458U CN 201921824676 U CN201921824676 U CN 201921824676U CN 211405458 U CN211405458 U CN 211405458U
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Abstract
The utility model discloses an outdoor hot-blast fan of gas generating set lacks looks protection and tripping alarm device, including power, fan protection unit and alarm protection unit, the power is three-phase alternating current power supply, fan protection unit includes fan protection unit one and fan protection unit two, fan protection unit one is including the gas heat dissipation fan one, unit fan power circuit breaker QF1, auxiliary relay K1, auxiliary relay K2 and contactor KM1, fan protection unit two is including the gas heat dissipation fan two, unit fan power circuit breaker QF2, auxiliary relay K3, auxiliary relay K4 and contactor KM2, alarm protection unit includes alarm power circuit breaker QF3 and alarm. The utility model belongs to the technical field of circuit protection, specifically provide a can in time discover fan trouble problem, avoid gas generating set outdoor fan that abnormal shut down to appear to lack looks protection and tripping alarm device.
Description
Technical Field
The utility model relates to a circuit protection technical field, concretely relates to outdoor fan hot-blast fan of gas generating set lacks looks protection and tripping alarm device.
Background
The gas generator set is a novel generator set developed to adapt to the world environmental protection requirements and the new market environment, the gas generator fully utilizes various natural gases or harmful gases as fuels, changes waste into valuable, has the advantages of safe and convenient operation, high cost benefit, low emission pollution, suitability for cogeneration of heat and electricity and the like, and has very wide market prospect.
If the gas generator set can not find faults in time when the fan trips, the temperature can rise rapidly after the fan stops working, the unit stops due to the fact that no automatic alarm device exists when the temperature reaches the upper limit, the problem of the fan faults can be found in time when the gas generator set is installed for avoiding abnormal stop of the unit, operators on duty can find faults in time and handle the faults, and stop of the gas generator set due to overhigh water temperature is effectively prevented.
Disclosure of Invention
For solving the above-mentioned current difficult problem, the utility model provides a can in time discover fan trouble problem, avoid gas generating set to appear the outdoor hot-blast fan of gas generating set that abnormal shut down and lack looks protection and tripping alarm device.
The utility model adopts the following technical scheme: the utility model discloses outdoor fan hot-blast fan open-phase protection of gas generating set and tripping alarm device, including power, fan protection unit and alarm protection unit, the power is three-phase alternating current power supply, fan protection unit includes fan protection unit one and fan protection unit two, fan protection unit one includes that gas disperses hot-blast fan one, unit fan power circuit breaker QF1, auxiliary relay K1, auxiliary relay K2 and contactor KM1, fan protection unit two includes that gas disperses hot-blast fan two, unit fan power circuit breaker QF2, auxiliary relay K3, auxiliary relay K4 and contactor KM2, the inlet wire termination of unit fan power circuit breaker QF1 connects the A, B, C end of three-phase alternating current power supply, the outlet wire termination of unit fan power circuit breaker QF1 in proper order with contactor KM1 and gas disperses hot-blast fan one and meet ground, give the power supply of gas and disperse hot-blast fan one, the line A of three phase lines of the outlet end of the unit fan power circuit breaker QF1 for supplying power to the air-radiating hot air blower is firstly connected to the inlet end of the intermediate relay K1 and the inlet end of the intermediate relay K2, and the B line and the C line of the three phase lines are respectively connected from the outgoing line ends of the intermediate relay K1 and the intermediate relay K2, the incoming line end of the unit fan power circuit breaker QF2 is connected with the A, B, C end of a three-phase alternating current power supply, the outlet end of the unit fan power supply breaker QF2 is sequentially connected with the contactor KM2 and the second air-radiating hot air blower and is grounded to supply power to the second air-radiating hot air blower, the line A of three phase lines of the outlet end of the unit fan power circuit breaker QF2 for supplying power to the air-radiating hot air blower II is firstly connected with the inlet end of the intermediate relay K3 and the inlet end of the intermediate relay K4, b and C wires of the three phase wires are respectively connected to the outgoing wire ends of the intermediate relay K3 and the intermediate relay K4; the alarm protection unit comprises an alarm power supply breaker QF3 and an alarm, wherein an intermediate relay K1, an intermediate relay K2, an intermediate relay K3 and an intermediate relay K4 are connected in parallel to form a parallel intermediate relay, and the C end of the inlet wire end of the alarm power supply breaker QF3 is sequentially connected with the N end of the power supply through the parallel intermediate relay and the alarm.
Furthermore, the alarm is an audible and visual alarm.
Adopt above-mentioned structure the utility model discloses the beneficial effect who gains as follows: this scheme gas generating set outdoor fan hot-blast fan lacks looks protection and trip alarm device simple structure, low cost, it is easy and simple to handle, specifically be one kind can in time discover fan trouble problem, effectively prevent to shut down because of the temperature is too high, avoid gas generating set to appear the gas generating set outdoor fan hot-blast fan that abnormal shut down and lack looks protection and trip alarm device.
Drawings
Fig. 1 is the circuit schematic diagram of the phase loss protection and trip alarm device for the outdoor fan of the gas generator set.
The air conditioner comprises a fan protection unit 1, a fan protection unit 2, an alarm protection unit 3, a fan protection unit I, a fan protection unit II, a fan protection unit 5, an air divergence hot air blower I, an air divergence hot air blower II, an air divergence hot air blower 7 and an alarm.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1, a gas generating set outdoor fan hot air fan open-phase protection and tripping alarm device comprises a power supply, a fan protection unit 1 and an alarm protection unit 2, wherein the power supply is a three-phase alternating current power supply, the fan protection unit 1 comprises a fan protection unit I3 and a fan protection unit II 4, the fan protection unit I3 comprises an air dispersion hot air fan I5, a unit fan power circuit breaker QF1, an intermediate relay K1, an intermediate relay K2 and a contactor KM1, the fan protection unit II 4 comprises an air dispersion hot air fan II 6, a unit fan power circuit breaker QF2, an intermediate relay K3, an intermediate relay K4 and a contactor KM2, an inlet wire end of the unit fan power circuit breaker QF1 is connected with an A, B, C end of a three-phase alternating current power supply, an outlet wire end of the unit fan power circuit breaker QF1 is connected with a contactor KM1 and the air dispersion hot air fan I5 in sequence, And is grounded to supply power to the air-radiating hot-air blower I5, the A wire of the three phase wires of the outlet end of the unit fan power supply breaker QF1 supplying power to the air-radiating hot-air blower I5 is firstly connected with the inlet end of the intermediate relay K1 and the inlet end of the intermediate relay K2, and is respectively connected with the B wire and the C wire of the three phase wires from the outlet ends of the intermediate relay K1 and the intermediate relay K2, the inlet end of the unit fan power supply breaker QF2 is connected with the A, B, C end of the three-phase alternating current power supply, the outlet end of the unit fan power supply breaker QF2 is sequentially connected with the contactor KM2 and the air-radiating hot-air blower II 6, is grounded to supply power to the air-radiating hot-air blower II 6, the A wire of the three phase wires of the outlet end of the unit fan power supply breaker QF2 supplying power to the air-radiating hot-air blower II 6 is firstly connected with the inlet end of the intermediate, b and C wires of the three phase wires are respectively connected to the outgoing wire ends of the intermediate relay K3 and the intermediate relay K4; alarm protection unit 2 includes alarm power supply circuit breaker QF3 and alarm 7, auxiliary relay K1, auxiliary relay K2, auxiliary relay K3 and auxiliary relay K4 are parallelly connected to form parallelly connected auxiliary relay, alarm power supply circuit breaker QF 3's inlet wire termination three-phase alternating current power's C end gets back to the N end of power through parallelly connected auxiliary relay and alarm 7 in proper order.
Wherein, the alarm 7 is an audible and visual alarm.
When in specific use, firstly the unit fan power supply breaker QF1, the unit fan power supply breaker QF2 and the alarm power supply breaker QF3 are closed, when the unit fan power breaker QF1 and the unit fan power breaker QF2 are in a closed state, the coils of the intermediate relays K1, K2, K3 and K4 are electrified to be attracted, normally closed and electrically disconnected, therefore, in the alarm protection unit 2, the normally closed contacts of the intermediate relays K1, K2, K3 and K4 are opened, the alarm 7 stops audible and visual alarm, the fan motor can be turned on or off according to the automatic control logic, when any switch of the unit fan power circuit breaker QF1 and the unit fan power circuit breaker QF2 is tripped, phase loss and power failure occur, the coils of the intermediate relays K1, K2, K3 and K4 lose power, the normally closed contacts are closed to switch on the alarm protection unit 2, and the alarm gives out audible and visual alarm to inform operation and maintenance staff of tripping and alarming. After the faults are checked, the unit fan power circuit breaker QF1, the unit fan power circuit breaker QF2 and the alarm power circuit breaker QF3 can be closed, and the sound-light alarm is automatically converted into a standby state.
The present invention and the embodiments thereof have been described above, but the description is not limited thereto, and the embodiment shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.
Claims (2)
1. The utility model provides a gas generating set outdoor fan hot-blast fan lacks looks protection and trip alarm device which characterized in that: including power, fan protection unit and alarm protection unit, the power is three-phase alternating current power supply, fan protection unit includes fan protection unit one and fan protection unit two, fan protection unit one includes that gas diverges hot-blast machine one, unit fan power circuit breaker QF1, auxiliary relay K1, auxiliary relay K2 and contactor KM1, fan protection unit two includes that gas diverges hot-blast machine two, unit fan power circuit breaker QF2, auxiliary relay K3, auxiliary relay K4 and contactor KM2, the inlet wire end of unit fan power circuit breaker QF1 connects the alternating current A, B, C end of three-phase power, unit fan power circuit breaker QF 1's outlet terminal connects with contactor KM1 and gas divergence hot-blast machine one in proper order, and ground connection, supplies power for gas divergence hot-blast machine one, the A line in three phase lines that the outlet wire end of unit fan power circuit breaker 1 supplied power for gas divergence hot-blast machine power inserts earlier the inlet wire end and the intermediate relay K1's inlet wire end and the power supply of intermediate relay K1 and the A line in The inlet end of the relay K2 is connected with B and C lines of three phase lines from the outlet ends of an intermediate relay K1 and an intermediate relay K2 respectively, the inlet end of the unit fan power circuit breaker QF2 is connected with A, B, C ends of a three-phase alternating current power supply, the outlet end of the unit fan power circuit breaker QF2 is sequentially connected with a contactor KM2 and a second air-radiating hot air blower and grounded to supply power to the second air-radiating hot air blower, A lines of the three phase lines supplying power to the second air-radiating hot air blower from the outlet end of the unit fan power circuit breaker QF2 are connected with the inlet end of the intermediate relay K3 and the inlet end of the intermediate relay K4 firstly, and the outlet ends of the intermediate relay K3 and the intermediate relay K4 are connected with the B and C lines of the three phase lines respectively; the alarm protection unit comprises an alarm power supply breaker QF3 and an alarm, wherein an intermediate relay K1, an intermediate relay K2, an intermediate relay K3 and an intermediate relay K4 are connected in parallel to form a parallel intermediate relay, and the C end of the inlet wire end of the alarm power supply breaker QF3 sequentially returns to the N end of the power supply through the parallel intermediate relay and the alarm.
2. The outdoor fan hot air fan open-phase protection and trip alarm device of the gas generator set according to claim 1, characterized in that: the alarm is an audible and visual alarm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921824676.7U CN211405458U (en) | 2019-10-28 | 2019-10-28 | Phase-loss protection and trip alarm device for outdoor fan hot-air fan of gas generator set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921824676.7U CN211405458U (en) | 2019-10-28 | 2019-10-28 | Phase-loss protection and trip alarm device for outdoor fan hot-air fan of gas generator set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211405458U true CN211405458U (en) | 2020-09-01 |
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ID=72210086
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921824676.7U Active CN211405458U (en) | 2019-10-28 | 2019-10-28 | Phase-loss protection and trip alarm device for outdoor fan hot-air fan of gas generator set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211405458U (en) |
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2019
- 2019-10-28 CN CN201921824676.7U patent/CN211405458U/en active Active
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