CN211127274U - Heating engineering machinery emergency starting system - Google Patents
Heating engineering machinery emergency starting system Download PDFInfo
- Publication number
- CN211127274U CN211127274U CN201922122620.3U CN201922122620U CN211127274U CN 211127274 U CN211127274 U CN 211127274U CN 201922122620 U CN201922122620 U CN 201922122620U CN 211127274 U CN211127274 U CN 211127274U
- Authority
- CN
- China
- Prior art keywords
- circuit breaker
- electricity
- electrically connected
- emergency starting
- contactor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000010438 heat treatment Methods 0.000 title claims abstract description 27
- 230000005611 electricity Effects 0.000 claims abstract description 21
- 238000012423 maintenance Methods 0.000 abstract description 3
- 238000009423 ventilation Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000009746 freeze damage Effects 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Landscapes
- Emergency Protection Circuit Devices (AREA)
Abstract
The utility model discloses a heating engineering machinery emergency starting system, which comprises an incoming line, wherein the incoming line is electrically connected with an isolating switch, the isolating switch is electrically connected with a current transformer, the current transformer is electrically connected with a main breaker, the main breaker is electrically connected with a bus, the first end of the bus is connected with a second breaker through a second live wire, the second breaker is electrically connected with a lightning arrester, and the lightning arrester is connected with a grounding end; the second end of generating line is through live wire one connection circuit breaker one, contactor is connected to the first end electricity of circuit breaker one, contactor electricity connection thermorelay, the emergent starting drive of machinery is connected to the first end electricity of circuit breaker one, the emergent starting drive electricity of machinery is connected thermorelay, the thermorelay electricity passes through the power cord connection warm circulating pump that leads to, the last kilowatt-hour meter that is provided with of current transformer. The utility model provides an emergent start-up system of heating engineering machinery that easy operation, maintenance are flexible good, alleviate the device trouble.
Description
Technical Field
The utility model relates to a facility agriculture heating engineering technical field particularly, relates to an emergent start-up system of heating engineering machine tool.
Background
At present, in the existing facility agricultural heating engineering, the starting control of a circulating water pump is combined and controlled by a circuit breaker, a contactor, a thermal relay, a button, an indicator light and the like. In warm circulating pump block terminal control circuit that leads to, when contactor or thermal relay etc. appear contact failure, damage scheduling problem, can cause the unable start-up of warm circulating pump that leads to. Because of the unable start-up of warm logical circulating pump, the greenhouse has lost the heat source, and indoor temperature can reduce sharply, leads to the greenhouse in plant to suffer irreversible type damage such as freeze injury, can lead to the plant to die even, and then makes crops subtract the output.
As shown in fig. 1, in the conventional heating engineering machinery emergency starting system, current enters the system from a conventional incoming line end, a conventional isolating switch is closed, the current flows through a conventional current transformer, a conventional watt-hour meter connected with the conventional current transformer can monitor the current change condition in the whole system in real time, when a conventional main circuit breaker is in a closed state, the current flows into a conventional bus, then a part of the current flows to a conventional circuit breaker II through a conventional live line II, and after the current flowing to the conventional circuit breaker II flows into a conventional lightning arrester, the current finally flows to a conventional ground; in addition, a part of current flows to the traditional circuit breaker I through the traditional live wire I, the current flowing to the traditional circuit breaker I flows into the traditional contactor, then flows through the traditional thermal relay and then flows into the main line, the current flowing into the main line flows into the traditional heating and ventilation circulating pump through the traditional power line, and the traditional zero line and the traditional protection grounding wire are external lines of the system and provide guarantee for the whole heating project. However, if any one of the components of the conventional contactor and the conventional thermal relay fails, the whole system is broken down.
SUMMERY OF THE UTILITY MODEL
Problem to among the correlation technique, the utility model provides an emergent start-up system of heating engineering machinery solves the problem that current emergent start-up system of heating engineering machinery maintains that flexibility is low, the operation is inconvenient, contactor or thermal relay easily breaks down.
In order to achieve the technical purpose, the technical scheme of the utility model is as follows:
the heating engineering machinery emergency starting system comprises an incoming line, wherein the incoming line is electrically connected with an isolating switch, the isolating switch is electrically connected with a current transformer, the current transformer is electrically connected with a main circuit breaker, the main circuit breaker is electrically connected with a bus, the first end of the bus is connected with a second circuit breaker through a second live wire, the second circuit breaker is electrically connected with a lightning arrester, and the lightning arrester is connected with a grounding end; the second end of generating line is through live wire one connection circuit breaker one, contactor is connected to the first end electricity of circuit breaker one, contactor electricity connection thermorelay, the emergent starting drive of machinery is connected to the first end electricity of circuit breaker one, the emergent starting drive electricity of machinery is connected thermorelay, the thermorelay electricity passes through the power cord connection warm circulating pump that leads to, the last kilowatt-hour meter that is provided with of current transformer.
Furthermore, a redundant switch is arranged on the mechanical emergency starting device.
Furthermore, an operating handle is arranged on the redundant switch.
Further, the operating handle is connected with an alternating current contactor.
Furthermore, an authority lock is arranged on the mechanical emergency starting device.
The utility model has the advantages that: the heating engineering machinery emergency starting system is simple to operate, and any manager with authority can operate the system. The time can be striven for the maintenance to the emergent starting drive of machinery that increases, guarantees that the greenhouse before the maintenance can continue to heat, has alleviateed the inside plant degree of suffering from freezing of greenhouse.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic diagram of a conventional circuit principle of an emergency starting system of a heating engineering machine according to an embodiment of the present invention;
fig. 2 is a schematic circuit diagram of an emergency starting system of a heating engineering machine according to an embodiment of the present invention;
in the figure: 1. feeding the wire; 2. an isolating switch; 3. a current transformer; 4. an electric meter; 5. a main circuit breaker; 6. a bus bar; 7. a first breaker; 8. a second circuit breaker; 9. a contactor; 10. a thermal relay; 11. a mechanical emergency starting device; 12. a lightning arrester; 13. grounding; 14. a power line; 15. a heating and ventilation circulating pump; 16. traditional incoming line; 17. a conventional disconnector; 18. a conventional current transformer; 19. traditional electricity meters; 20. a conventional main circuit breaker; 21. a conventional bus bar; 22. a first traditional circuit breaker; 23. a traditional circuit breaker II; 24. a conventional contactor; 25. a conventional thermal relay; 26. a conventional lightning arrester; 27. traditional grounding; 28. a conventional power line; 29. a traditional heating and ventilation circulating pump; 30. a first live wire; 31. a second live wire; 32. a zero line; 33. protecting the grounding wire; 34. a traditional fire line I; 35. a traditional fire line II; 36. a conventional zero line; 37. conventional protective earth wires.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art all belong to the protection scope of the present invention.
As shown in fig. 2, according to the embodiment of the present invention, an emergency starting system for heating engineering machinery includes a wire inlet 1, wherein the wire inlet 1 is electrically connected to a disconnecting switch 2, the disconnecting switch 2 is electrically connected to a current transformer 3, the current transformer 3 is electrically connected to a main breaker 5, the main breaker 5 is electrically connected to a bus 6, a first end of the bus 6 is connected to a second breaker 8 through a second live wire 31, the second breaker 8 is electrically connected to a lightning arrester 12, and the lightning arrester 12 is connected to a ground 13; the second end of generating line 6 passes through a live wire 30 and connects circuit breaker 7, contactor 9 is connected to the first end electricity of circuit breaker 7, contactor 9 electricity connection thermorelay 10, the emergent starting drive 11 of machinery is connected to the first end electricity of circuit breaker 7, the emergent starting drive 11 electricity of machinery is connected thermorelay 10, thermorelay 10 electricity is connected warm circulating pump 15 that leads to through power cord 14, be provided with kilowatt-hour meter 4 on the current transformer 3.
In this embodiment, the mechanical emergency starting device 11 is provided with a redundant switch, and the redundant switch can control the opening and the closing of the mechanical emergency starting device 11.
In this embodiment, the redundant switch is provided with an operating handle, and the operating handle can be used by authorized people.
In this embodiment, the operating handle is connected with an ac contactor, and the ac contactor can be connected with the whole emergency starting system.
In the present embodiment, the mechanical emergency starting device 11 is provided with an authority lock, and the authority lock is used by a designated person.
To facilitate further understanding of the above technical solutions, the working principle of the system structure thereof will now be explained:
as shown in fig. 2, the mechanical emergency starting device 11 is a redundant switching device that can be switched on and off by mechanical operation, and the redundant switching device controls the ac contactor by a handle (in-cabinet operation) or an operating mechanism (out-cabinet operation). The contactor can be closed or disconnected by pulling the handle or rotating the operating rod. The operator can close or break the emergency starting device, and the mechanism can automatically and quickly close or break the contactor as long as the handle or the operating rod is manually rotated (pulled) to a certain position.
As shown in fig. 2, in the working process, current enters the system from the incoming line 1, the isolating switch 2 is closed, the current flows through the overcurrent transformer 3, the watt-hour meter 4 connected with the overcurrent transformer 3 can monitor the current change condition in the whole system in real time, when the main breaker 5 is in a closed state, the current flows into the bus 6, then a part of the current flows to the second breaker 8 through the second live wire 31, and after the current flowing to the second breaker 8 flows into the lightning arrester 12, the current finally flows to the ground 13; another part of current flows to the first circuit breaker 7 through the first live wire 30, one part of current flowing to the first circuit breaker 7 flows into the mechanical emergency starting device 11 and then flows into the main line, the other part of current flows into the contactor 9 and then flows through the thermal relay 10 and then flows into the main line, the current flowing into the main line flows into the heating and ventilation circulating pump 15 through the power line 14, the zero line 32 and the protective grounding line 33 are external lines of the system, safety guarantee is provided for the whole heating project, and therefore continuous and efficient heating is achieved for crops.
The whole system main line is changed from the original series circuit to the parallel circuit, even if the main line breaks down and is disconnected, the main line can still be communicated with the emergency line, and the safety factor of the system is increased.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The heating engineering machinery emergency starting system comprises an incoming line (1) and is characterized in that the incoming line (1) is electrically connected with a disconnecting switch (2), the disconnecting switch (2) is electrically connected with a current transformer (3), the current transformer (3) is electrically connected with a main circuit breaker (5), the main circuit breaker (5) is electrically connected with a bus (6), the first end of the bus (6) is connected with a second circuit breaker (8) through a second live wire (31), the second circuit breaker (8) is electrically connected with a lightning arrester (12), and the lightning arrester (12) is connected with a grounding (13) end; the second end of generating line (6) is through live wire (30) connection circuit breaker (7), contactor (9) is connected to the first end electricity of circuit breaker (7), contactor (9) electricity connects thermorelay (10), the emergent starting drive of machinery (11) is connected to the first end electricity of circuit breaker (7), the emergent starting drive of machinery (11) electricity is connected thermorelay (10), thermorelay (10) electricity is connected warm circulating pump (15) through power cord (14), be provided with kilowatt-hour meter (4) on current transformer (3).
2. The heating engineering machinery emergency starting system according to claim 1, wherein a redundancy switch is arranged on the mechanical emergency starting device (11).
3. The heating engineering machine emergency starting system according to claim 2, wherein an operating handle is provided on the redundant switch.
4. The heating engineering machine emergency starting system according to claim 3, wherein an ac contactor is connected to the operating handle.
5. The heating engineering machinery emergency starting system according to claim 1, wherein the mechanical emergency starting device (11) is provided with an authority lock.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922122620.3U CN211127274U (en) | 2019-12-02 | 2019-12-02 | Heating engineering machinery emergency starting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922122620.3U CN211127274U (en) | 2019-12-02 | 2019-12-02 | Heating engineering machinery emergency starting system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211127274U true CN211127274U (en) | 2020-07-28 |
Family
ID=71695752
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922122620.3U Expired - Fee Related CN211127274U (en) | 2019-12-02 | 2019-12-02 | Heating engineering machinery emergency starting system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211127274U (en) |
-
2019
- 2019-12-02 CN CN201922122620.3U patent/CN211127274U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111452665B (en) | Intelligent charging and battery replacing cabinet for electric bicycle | |
| CN208571394U (en) | A kind of photovoltaic power generation box-type substation based on intelligent controller | |
| CN205610339U (en) | Transformer intelligent monitoring system | |
| CN105591296A (en) | Modularization area power transformation integration distribution box | |
| CN107819360A (en) | Bus tie breaker control circuit, device and system | |
| CN211127274U (en) | Heating engineering machinery emergency starting system | |
| CN201178294Y (en) | Automation apparatus of composite distribution network | |
| CN210156741U (en) | Power supply guarantee system of high-voltage switch cabinet | |
| CN217643289U (en) | Intelligent control device applied to photovoltaic power generation system | |
| CN217720708U (en) | Valve electric actuator protection device | |
| CN110780228A (en) | A resistance control cabinet that can be used for high resistance grounding test of 10kV lines | |
| CN215681917U (en) | Control loop for emergency bus of nuclear power station and power system | |
| CN211741524U (en) | Resistance control cabinet for 10kV line high-resistance grounding test | |
| CN214542948U (en) | Mining shield constructs quick-witted explosion-proof PLC switch board low pressure distribution safety monitoring system | |
| CN204089350U (en) | The electric emergency treatment device of circuit breaker | |
| CN212409148U (en) | Safety protection circuit of mine cooling system | |
| CN211606079U (en) | Medium-voltage switch cabinet for realizing low-voltage locking of motor | |
| CN210444067U (en) | Remote alarm controller for electric power facilities | |
| CN109216100B (en) | Monitoring indication circuit of power switch vacuum circuit breaker | |
| CN205829128U (en) | Electric energy meter Based Intelligent Control protection module | |
| CN103050917B (en) | Intelligent device for circularly melting ice on power transmission line with twelve split sub-conductors by current | |
| CN207559538U (en) | A kind of three-phase automatic reclosing device with wireless communication function | |
| CN106849027A (en) | A kind of hotline maintenance method of straight-flow system regulator | |
| CN220913523U (en) | Follow-up control system for water supply and drainage | |
| CN206742857U (en) | A kind of low-voltage distribution room outgoing line cabinet |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20200728 |