CN215216575U - Cooling system for main motor of elevator - Google Patents
Cooling system for main motor of elevator Download PDFInfo
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- CN215216575U CN215216575U CN202121391202.5U CN202121391202U CN215216575U CN 215216575 U CN215216575 U CN 215216575U CN 202121391202 U CN202121391202 U CN 202121391202U CN 215216575 U CN215216575 U CN 215216575U
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Abstract
The utility model provides a cooling system of a main motor of a hoisting machine, which comprises a machine room for placing the main motor of the hoisting machine, a centrifugal fan, a control machine, an air supply pipeline and a circulating pipeline, wherein a filtering compartment is arranged in the machine room, a third electric shutter communicated with the outside is arranged on the wall of the machine room, a first electric shutter communicated with the outside and a second electric shutter communicated with the machine room are arranged on the wall of the filtering compartment, the centrifugal motor is arranged in the filtering compartment, the air supply pipeline is arranged in the machine room, one end of the centrifugal motor is connected with an air outlet of the centrifugal fan, one side of the shell of the main motor of the hoisting machine at the other end is communicated, the circulating pipeline is arranged in the machine room, one end of the centrifugal motor is communicated with the third electric shutter, the other end of the centrifugal motor is communicated with the second electric shutter, the circulating pipeline is provided with a branch pipe, an inlet of the branch pipe is arranged corresponding to the air outlet of the shell of the main motor of the hoisting machine, the system can effectively improve the insulation value of the main motor of the elevator and ensure the safe operation of the main motor.
Description
Technical Field
The utility model belongs to the mine equipment field especially relates to a lifting machine owner motor cooling system.
Background
The mine hoist is an important link of coal mine transportation, whether the mine hoist normally operates or not directly influences safety production, but along with the increase of the service life of a main motor, the main motor has the problem that the edge resistance value is continuously reduced, and further armature grounding faults frequently occur, so that the hoist cannot operate. The main reason for the above phenomenon is that the cooling mode of the existing main motor is forced air flow, outdoor air is primarily filtered by a roller shutter filter and then is sent into the main motor of the elevator by a centrifugal fan, and the main motor is used for taking away heat generated by excitation and armature winding operation to achieve the purpose of cooling the motor.
Disclosure of Invention
An object of the utility model is to provide a lifting machine main motor cooling system, this system can effectively improve lifting machine main motor insulation value for main motor armature winding lasts to maintain more than 500M omega, and excitation winding resistance lasts to maintain more than 1000M omega, has stopped because of the promotion accident that motor insulation nature arouses, has ensured the safe operation of main motor.
In order to achieve the above purpose, the technical scheme of the utility model is that: a cooling system for the main motor of elevator is composed of machine room for arranging said main motor, centrifugal blower, controller, air supplying pipeline, circulating pipeline,
a filtering compartment is arranged in the machine room, a third electric shutter communicated with the outside is arranged on the wall of the machine room,
the wall of the filtering compartment is provided with a first electrodynamic type shutter communicated with the outside and a second electrodynamic type shutter communicated with the machine room, the inner side surfaces of the first electrodynamic type shutter and the second electrodynamic type shutter are provided with filtering cotton nets, the centrifugal motor is arranged in the filtering compartment,
the air supply pipeline is arranged in the machine room, one end of the air supply pipeline is connected with an air outlet of the centrifugal fan, the other end of the air supply pipeline is communicated with one side of the shell of the main motor of the elevator, the other side of the shell of the main motor of the elevator is provided with an air outlet,
the circulating pipeline is arranged in the machine room, one end of the circulating pipeline is communicated with the third electrodynamic type shutter, the other end of the circulating pipeline is communicated with the second electrodynamic type shutter, the circulating pipeline is provided with a branch pipe, the inlet of the branch pipe is arranged corresponding to the air outlet of the main motor shell of the elevator,
the control machine is a computer host and is used for controlling the opening and closing of the first electrodynamic shutter, the second electrodynamic shutter and the third electrodynamic shutter.
And a space heater is arranged at the lower part of the main motor shell of the elevator.
The inlet of the branch pipe is a trumpet-shaped opening.
The bag-type dust collector is arranged in the filtering compartment, and an air outlet of the bag-type dust collector is connected with an air inlet of the centrifugal fan.
The temperature sensor is characterized by further comprising an integrated temperature transmitter, wherein the integrated temperature transmitter is installed in the machine room and outside the machine room, is connected with a control machine circuit and is used for feeding back indoor and outdoor temperatures.
Still include the electronic shutter of fourth, set up on the wall of filtering the compartment for with the computer lab intercommunication.
The utility model discloses system simple structure, convenient to use, indoor outer wind current can realize the fast switch-over during overcast and rainy weather, can reduce main motor cooling wind current air humidity to present 35% RH by original 80% RH, main motor long-term work in 40 ℃ -50 ℃, humidity 35% ~ 50% in the good environment, thoroughly eliminated the external factor that the insulation value reduces in the direct current motor long-term running, effectively prolong motor life more than 10 years.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
As shown in fig. 1, a cooling system for a main motor of a hoist comprises a machine room 1 for placing the main motor and a main roller of the hoist, a centrifugal fan 2, a control machine 3, an air supply pipeline 4 and a circulating pipeline 5,
a filtering compartment 11 is arranged in the machine room 1, a third electrodynamic type shutter 12 communicated with the outside is arranged on the wall of the machine room, the position of the third electrodynamic type shutter 12 can be arranged at a proper position of the machine room according to the requirement of pipeline arrangement,
a first electric shutter 112 communicated with the outside and a second electric shutter 113 communicated with a machine room are arranged on the wall of the filtering compartment 11, filtering cotton nets are arranged on the inner side surfaces of the first electric shutter and the second electric shutter, the centrifugal motor 2 is arranged in the filtering compartment 11, a cloth bag dust remover 6 can be arranged in the filtering compartment 11 under the condition that the filtering effect needs to be enhanced, and an air outlet of the cloth bag dust remover 6 is connected with an air inlet of a centrifugal fan;
the air supply pipeline 4 is installed in the machine room, one end of the air supply pipeline is connected with an air outlet of the centrifugal fan, one side of the shell of the main motor of the elevator at the other end of the air supply pipeline is communicated, the air outlet is formed in the other side of the shell of the main motor of the elevator, the air flow of the centrifugal fan is utilized to cool and cool the main motor, meanwhile, the space heater 7 is installed on the lower portion of the shell of the main motor of the elevator, heating and dehumidification of outdoor cold air flow are achieved, and the drying of the surrounding environment of the motor and the normal operation of the motor in the environment temperature of 40-50 ℃ are ensured dynamically;
the circulating pipeline 5 is arranged in the machine room, one end of the circulating pipeline is communicated with the third electric shutter 12, the other end of the circulating pipeline is communicated with the second electric shutter 113, the section of the pipeline is larger than the area of the shutter, the circulating pipeline 5 is provided with a branch pipe 51, the inlet of the branch pipe 51 is in a horn-shaped opening and is arranged corresponding to the air outlet of the main motor shell of the elevator, and the circulating pipeline 5 and the first, second and third electric shutters matched with each other play a role together to bring air into the cooling motor from the centrifugal machine and discharge the air from the third electric shutter to form external circulation; air brought into the cooling motor by the centrifuge can be circulated into the filtering compartment again to form an internal circulation,
the controller 3 is a computer host, and is used for controlling the opening and closing of the first electric louver 112, the second electric louver 113 and the third electric louver 12, so as to realize an air circulation mode in the machine room, the control method can be manually controlled, and can also be automatically controlled, during automatic control, integrated temperature transmitters are arranged inside and outside the machine room, are connected with a controller circuit, and are used for feeding back indoor and outdoor temperature and humidity to the controller, and control is performed according to an internal threshold value.
A fourth motorized shutter 114 is also included, provided on the wall of the filtering compartment, for communicating with the machine room, and which allows to regulate the air flow between the filtering compartment and the machine room when required, also controlled by the controller.
When the electric louver is used, the electric louver is controlled according to the external environment humidity of the machine room, when the external humidity of the machine room is high in rainy weather, the third electric louver and the first electric louver are closed, the second electric louver is opened, internal circulation of airflow is formed, high-humidity airflow enters the main motor when the weather is rainy, and indoor dry airflow is used for cooling the main motor; when the outside weather is clear, the third electrodynamic type shutter is opened, the first electrodynamic type shutter is closed, the second electrodynamic type shutter is closed, external circulation from the first electrodynamic type shutter to the third electrodynamic type shutter is formed, and meanwhile, the humidity and dust of the machine room are further controlled by arranging equipment such as a space heater, a bag-type dust remover and the like below the main motor, so that external factors of insulation value reduction of the direct current motor in long-term operation are eliminated to the maximum extent, and the service life of the motor is ensured.
Claims (6)
1. A cooling system of a main motor of an elevator is characterized in that: comprises a machine room for placing a main motor of the elevator, a centrifugal fan, a control machine, an air supply pipeline and a circulating pipeline,
a filtering compartment is arranged in the machine room, a third electric shutter communicated with the outside is arranged on the wall of the machine room,
the wall of the filtering compartment is provided with a first electrodynamic type shutter communicated with the outside and a second electrodynamic type shutter communicated with the machine room, the inner side surfaces of the first electrodynamic type shutter and the second electrodynamic type shutter are provided with filtering cotton nets, the centrifugal fan is arranged in the filtering compartment,
the air supply pipeline is arranged in the machine room, one end of the air supply pipeline is connected with an air outlet of the centrifugal fan, the other end of the air supply pipeline is communicated with one side of the shell of the main motor of the elevator, the other side of the shell of the main motor of the elevator is provided with an air outlet,
the circulating pipeline is arranged in the machine room, one end of the circulating pipeline is communicated with the third electrodynamic type shutter, the other end of the circulating pipeline is communicated with the second electrodynamic type shutter, the circulating pipeline is provided with a branch pipe, the inlet of the branch pipe is arranged corresponding to the air outlet of the main motor shell of the elevator,
the control machine is a computer host and is used for controlling the opening and closing of the first electrodynamic shutter, the second electrodynamic shutter and the third electrodynamic shutter.
2. The elevator main motor cooling system of claim 1, wherein: and a space heater is arranged at the lower part of the main motor shell of the elevator.
3. The elevator main motor cooling system of claim 1, wherein: the inlet of the branch pipe is a trumpet-shaped opening.
4. The elevator main motor cooling system of claim 1, wherein: the bag-type dust collector is arranged in the filtering compartment, and an air outlet of the bag-type dust collector is connected with an air inlet of the centrifugal fan.
5. The elevator main motor cooling system of claim 1, wherein: the temperature sensor is characterized by further comprising an integrated temperature transmitter, wherein the integrated temperature transmitter is installed in the machine room and outside the machine room, is connected with a control machine circuit and is used for feeding back indoor and outdoor temperatures.
6. The elevator main motor cooling system of claim 1, wherein: still include the electronic shutter of fourth, set up on the wall of filtering the compartment for with the computer lab intercommunication.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121391202.5U CN215216575U (en) | 2021-06-22 | 2021-06-22 | Cooling system for main motor of elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121391202.5U CN215216575U (en) | 2021-06-22 | 2021-06-22 | Cooling system for main motor of elevator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215216575U true CN215216575U (en) | 2021-12-17 |
Family
ID=79434043
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121391202.5U Active CN215216575U (en) | 2021-06-22 | 2021-06-22 | Cooling system for main motor of elevator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215216575U (en) |
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2021
- 2021-06-22 CN CN202121391202.5U patent/CN215216575U/en active Active
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