CN214289215U - Cooling device for vibration exciter - Google Patents
Cooling device for vibration exciter Download PDFInfo
- Publication number
- CN214289215U CN214289215U CN202022971850.XU CN202022971850U CN214289215U CN 214289215 U CN214289215 U CN 214289215U CN 202022971850 U CN202022971850 U CN 202022971850U CN 214289215 U CN214289215 U CN 214289215U
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- oil
- cooling
- vibration exciter
- temperature
- control unit
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- 238000001816 cooling Methods 0.000 title claims abstract description 56
- 238000005485 electric heating Methods 0.000 claims abstract description 15
- 238000010438 heat treatment Methods 0.000 claims abstract description 4
- 238000013021 overheating Methods 0.000 abstract description 4
- 238000009529 body temperature measurement Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
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- Apparatuses For Generation Of Mechanical Vibrations (AREA)
Abstract
The utility model relates to a cooling device for a vibration exciter, which mainly comprises an oil inlet pipe, an oil outlet pipe, a cooling oil cavity, a temperature sensor, an ultra-precise temperature measuring circuit, a control unit, a temperature control circuit, a motor, a heating wire, an oil pump and an oil tank; the oil inlet pipe is connected with the oil tank and the cooling oil cavity; the oil outlet pipe is connected with the cooling oil cavity, the oil pump and the oil tank in sequence; the cooling oil cavity is a space surrounded by a vibration exciter coil, a giant magnetostrictive rod, an upper magnetic conduction cover and a lower magnetic conduction cover; the temperature sensor is arranged in the oil tank and is connected with the control unit through the ultra-precise temperature measuring circuit; the motor is connected with the electric heating wire and is connected with the control unit through the temperature control circuit; when the vibration exciter works under the working condition of long time or large power, the cooling device can utilize flowing cooling oil to carry away heat around the vibrator and the coil of the vibration exciter, thereby avoiding the phenomenon of overheating of the vibrator, preventing the giant magnetostrictive rod from deforming and ensuring the normal work of the vibration exciter.
Description
Technical Field
The utility model relates to a vibration exciter auxiliary equipment technical field especially relates to a cooling device for vibration exciter.
Background
The energy-saving high-efficiency vibration exciter prepared from the giant magnetostrictive material overcomes the defects of narrow working frequency range, easy abrasion of moving parts, high failure rate and high maintenance cost of the traditional mechanical vibration aging, but the vibration exciter can generate obvious vibrator overheating phenomenon after working for a long time or after working for a short time with high power, and the phenomenon can seriously influence the normal work of the vibration exciter.
Usually, the giant magnetostrictive rod is excited by a driving coil; when the coil works, the current in the coil causes the coil to generate heat, and the heat of the coil can be conducted into the giant magnetostrictive rod or generate eddy current in the giant magnetostrictive rod under the action of an alternating current magnetic field; the temperature of the super magnetostrictive rod is increased no matter heat is conducted or eddy current is generated; the expansion coefficient of the giant magnetostrictive material is about 12 multiplied by 10-6Therefore, the temperature is too high, so that the super magnetostrictive rod deforms, and the normal operation of the vibration exciter is influenced.
Therefore, in order to ensure that the vibration exciter normally works under the working condition of long time or large power, the vibrator abrasion of the vibration exciter is reduced, the equipment failure rate is reduced, the service life of the equipment is prolonged, and the research on the cooling device for the vibration exciter has great practical value and application prospect.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a vibration exciter cooling device with good cooling effect; when the vibration exciter works under the working condition of long time or large power, the cooling device can utilize flowing cooling oil to carry away heat around the vibrator and the coil of the vibration exciter, thereby avoiding the phenomenon of overheating of the vibrator, preventing the giant magnetostrictive rod from deforming and ensuring the normal work of the vibration exciter.
The purpose of the utility model is realized like this: a cooling device for a vibration exciter is composed of an oil inlet pipe, an oil outlet pipe, a cooling oil cavity, a temperature sensor, an ultra-precise temperature measuring circuit, a control unit, a temperature control circuit, a motor, an electric heating wire, an oil pump and an oil tank; the oil inlet pipe is connected with the oil tank and the cooling oil cavity; the oil outlet pipe is connected with the cooling oil cavity, the oil pump and the oil tank in sequence; the cooling oil cavity is a space surrounded by a vibration exciter coil, a giant magnetostrictive rod, an upper magnetic conduction cover and a lower magnetic conduction cover; the temperature sensor is arranged in the oil tank and is connected with the control unit through the ultra-precise temperature measuring circuit; the motor is connected with the electric heating wire and is connected with the control unit through the temperature control circuit.
Further, the cooling device is such that the cooling oil flowing into the cooling oil chamber is in a constant temperature state: the rotation of the motor enables the oil temperature in the oil tank to be uniform, and then the constant-temperature oil flows in the cooling oil cavity through the oil pump to take away the heat around the vibration exciter coil and the giant magnetostrictive rod; the electric heating wire plays a role in adjusting the oil temperature; when the vibration exciter works, a real-time temperature signal measured by the temperature sensor is transmitted to the control unit by the ultra-precise temperature measuring circuit, then the control unit sends a control signal, the control signal is transmitted to the motor by the temperature measuring circuit, the heating heat of the electric heating wire is controlled by adjusting the rotating speed of the motor, and finally the cooling oil flowing into the cooling oil cavity is kept at a constant temperature.
Drawings
Fig. 1 is a schematic view of the overall structure of the cooling device of the present invention.
Fig. 2 is the structural schematic diagram of the oil cooling system in the vibration exciter of the present invention.
Fig. 3 is a schematic structural view of the constant temperature cooling device of the present invention.
In fig. 1: 1-oil inlet, 2-vibration exciter coil, 3-giant magnetostrictive rod, 4-oil outlet, 5-upper magnetic conduction cover, 6-lower magnetic conduction cover, 7-cooling oil cavity, 8-control unit, 9-temperature control circuit, 10-ultra-precise temperature measurement circuit, 11-oil pump, 12-motor, 13-electric heating wire, 14-temperature sensor, 15-oil tank.
In fig. 2: 1-oil inlet, 2-exciter coil, 3-giant magnetostrictive rod, 4-oil outlet, 5-upper magnetic conduction cover, 6-lower magnetic conduction cover, and 7-cooling oil cavity.
In fig. 3: 1-oil inlet, 4-oil outlet, 8-control unit, 9-temperature control circuit, 10-ultra-precise temperature measurement circuit, 11-oil pump, 12-motor, 13-electric heating wire, 14-temperature sensor, 15-oil tank.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
The embodiment of the utility model provides an in each structure all is selected from current structure to control by temperature change circuit between the control unit and the motor and the ultra-precise temperature measurement circuit between control unit and the temperature sensor can all be set up on the basis of general circuit and form.
Referring to fig. 2 and 3, the cooling device for the vibration exciter comprises an oil inlet pipe (1), an oil outlet pipe (4), a cooling oil cavity (7), a temperature sensor (14), an ultra-precise temperature measuring circuit (10), a control unit (8), a temperature control circuit (9), a motor (12), an electric heating wire (13), an oil pump (11) and an oil tank (15); the oil inlet pipe (1) is connected with the oil tank (15) and the cooling oil cavity (7); the oil outlet pipe (4) is sequentially connected with the cooling oil cavity (7), the oil pump (11) and the oil tank (15); the cooling oil cavity (7) is a space surrounded by a vibration exciter coil (2), a giant magnetostrictive rod (3), an upper magnetic conduction cover (5) and a lower magnetic conduction cover (6); the temperature sensor (14) is arranged in the oil tank (15) and is connected with the control unit (8) through the ultra-precise temperature measuring circuit (10); the motor (12) is connected with the electric heating wire (13) and is also connected with the control unit (8) through the temperature control circuit (9).
Referring to fig. 2 and 3, when the vibration exciter works for a long time or under a working condition with large power, the cooling device can take away heat around the coil (2) of the vibration exciter and the giant magnetostrictive rod (3) by using flowing cooling oil, so that the phenomenon of overheating of the giant magnetostrictive rod (3) is avoided, the giant magnetostrictive rod (3) is prevented from deforming, and the normal work of the vibration exciter is ensured.
Referring to fig. 2 and 3, the cooling device is such that the cooling oil flowing into the cooling oil chamber (7) is in a constant temperature state: the rotation of the motor (12) enables the oil temperature in the oil tank (15) to be uniform, and then the constant-temperature oil flows in the cooling oil cavity (7) through the oil pump (11) to take away the heat around the vibration exciter coil (2) and the giant magnetostrictive rod (3); the electric heating wire (13) plays a role in adjusting the oil temperature; when the vibration exciter works, a real-time temperature signal measured by the temperature sensor (14) is transmitted to the control unit (8) by the ultra-precise temperature measuring circuit (10), then the control unit (8) sends out a control signal, the control signal is transmitted to the motor (12) by the temperature control circuit (9), the heating heat of the electric heating wire (13) is controlled by adjusting the rotating speed of the motor (12), and finally the cooling oil flowing into the cooling oil cavity (7) is kept at a constant temperature.
The above description is only for the specific embodiment of the present invention, but the technical features of the present invention are not limited thereto, and any person skilled in the art can make changes or modifications within the scope of the present invention.
Claims (2)
1. A cooling device for a vibration exciter is characterized in that: the device comprises an oil inlet pipe (1), an oil outlet pipe (4), a cooling oil cavity (7), a temperature sensor (14), an ultra-precise temperature measuring circuit (10), a control unit (8), a temperature control circuit (9), a motor (12), an electric heating wire (13), an oil pump (11) and an oil tank (15); the oil inlet pipe (1) is connected with the oil tank (15) and the cooling oil cavity (7); the oil outlet pipe (4) is sequentially connected with the cooling oil cavity (7), the oil pump (11) and the oil tank (15); the cooling oil cavity (7) is a space surrounded by a vibration exciter coil (2), a giant magnetostrictive rod (3), an upper magnetic conduction cover (5) and a lower magnetic conduction cover (6); the temperature sensor (14) is arranged in the oil tank (15) and is connected with the control unit (8) through the ultra-precise temperature measuring circuit (10); the motor (12) is connected with the electric heating wire (13) and is also connected with the control unit (8) through the temperature control circuit (9).
2. A cooling device for a vibration exciter according to claim 1, wherein: the cooling device enables cooling oil flowing into the cooling oil cavity (7) to be in a constant temperature state, the motor (12) rotates to enable the oil temperature in the oil tank (15) to be uniform, and then the constant temperature oil flows in the cooling oil cavity (7) through the oil pump (11) to take away heat around the vibration exciter coil (2) and the giant magnetostrictive rod (3); the electric heating wire (13) plays a role in adjusting the oil temperature; when the vibration exciter works, a real-time temperature signal measured by the temperature sensor (14) is transmitted to the control unit (8) by the ultra-precise temperature measuring circuit (10), then the control unit (8) sends out a control signal, the control signal is transmitted to the motor (12) by the temperature control circuit (9), the heating heat of the electric heating wire (13) is controlled by adjusting the rotating speed of the motor (12), and finally the cooling oil flowing into the cooling oil cavity (7) is kept at a constant temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022971850.XU CN214289215U (en) | 2020-12-13 | 2020-12-13 | Cooling device for vibration exciter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022971850.XU CN214289215U (en) | 2020-12-13 | 2020-12-13 | Cooling device for vibration exciter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214289215U true CN214289215U (en) | 2021-09-28 |
Family
ID=77853198
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022971850.XU Expired - Fee Related CN214289215U (en) | 2020-12-13 | 2020-12-13 | Cooling device for vibration exciter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214289215U (en) |
-
2020
- 2020-12-13 CN CN202022971850.XU patent/CN214289215U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210928 |
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| CF01 | Termination of patent right due to non-payment of annual fee |