CN113726103A - Infrared temperature measuring device for collector ring of generator - Google Patents
Infrared temperature measuring device for collector ring of generator Download PDFInfo
- Publication number
- CN113726103A CN113726103A CN202110973646.8A CN202110973646A CN113726103A CN 113726103 A CN113726103 A CN 113726103A CN 202110973646 A CN202110973646 A CN 202110973646A CN 113726103 A CN113726103 A CN 113726103A
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- Prior art keywords
- temperature measuring
- shaped plate
- arc
- measuring device
- infrared temperature
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/20—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
- H02K11/25—Devices for sensing temperature, or actuated thereby
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/10—Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. water or fingers
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
- H02K5/207—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium with openings in the casing specially adapted for ambient air
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/28—Cooling of commutators, slip-rings or brushes e.g. by ventilating
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Radiation Pyrometers (AREA)
Abstract
The invention relates to the technical field of temperature measuring devices, in particular to an infrared temperature measuring device for a generator collecting ring, which comprises a protective shell covering the generator collecting ring, wherein the protective shell is cylindrical and is provided with a one-way opening, an arc-shaped plate with a semicircular section is arranged in the protective shell, and an infrared temperature measuring sensor is arranged at the center of the arc-shaped plate; an air transmission cavity is arranged in the arc-shaped plate, an arc-shaped plate through hole communicated with the air transmission cavity is arranged on the end surface of the arc-shaped plate close to the center of the protective shell, and an exhaust hole is also arranged on the protective shell; and an air supply mechanism for conveying air to the air conveying cavity is arranged on the arc-shaped plate. The temperature monitoring device not only realizes real-time monitoring of the temperature of the collecting ring, but also can start the air supply mechanism to cool the collecting ring, thereby avoiding the burning of the collecting ring due to overhigh temperature when in use, and better improving the stability of the collecting ring when in use.
Description
Technical Field
The invention relates to the technical field of temperature measuring devices, in particular to an infrared temperature measuring device for a collector ring of a generator.
Background
Slip rings are components that can be used in any electromechanical system that requires continuous rotation while transmitting power and signals from a fixed position to a rotating position, and are widely used in generators, motors, and the like. In the generator, the slip ring is a carrier of rotor exciting current and is also a contact component rotating at high speed, the slip ring and the brush are mutually in sliding contact to conduct exciting current, and in actual operation, the situations of poor environmental ventilation, overlarge contact resistance or uneven distribution and the like may exist, and the slip ring may have two states of conductor heating through electricity or sliding friction heating due to the reason that the material of the slip ring is too soft and the like because the grinding performance of the brush is too strong, further faults of heating, spark generation, brush holder burning of the brush and the slip ring are caused, and the damage of the whole generator equipment may be caused more seriously.
Patent document CN210893423U discloses an on-line temperature monitoring device for a hydro-generator collector ring, which comprises a non-contact temperature sensor, a data processing and displaying center, an alarm module and a support column. Although the temperature of the collecting ring can be monitored on line in real time, the collecting ring cannot be cooled better.
Disclosure of Invention
In order to solve the technical problem, the invention is solved by the following technical scheme:
an infrared temperature measuring device for a generator collecting ring comprises a protective shell covering the generator collecting ring, wherein the protective shell is cylindrical and is provided with a one-way opening, an arc-shaped plate with a semicircular section is arranged in the protective shell, and an infrared temperature measuring sensor is arranged at the center of the arc-shaped plate; an air transmission cavity is arranged in the arc-shaped plate, an arc-shaped plate through hole communicated with the air transmission cavity is arranged on the end surface of the arc-shaped plate close to the center of the protective shell, and an exhaust hole is also arranged on the protective shell; and an air supply mechanism for conveying air to the air conveying cavity is arranged on the arc-shaped plate.
The temperature monitoring device not only realizes real-time monitoring of the temperature of the collecting ring, but also can start the air supply mechanism to cool the collecting ring, thereby avoiding the burning of the collecting ring due to overhigh temperature when in use, and better improving the stability of the collecting ring when in use.
Preferably, the protective shell is provided with a mounting through hole, the arc-shaped plate is provided with a connecting pipe communicated with the gas transmission cavity, and the end part of the connecting pipe extends out of the mounting through hole.
According to the invention, through the matching between the mounting through hole and the connecting pipe, the arc-shaped plate is prevented from moving when being mounted in the protective shell; and the connection of the arc-shaped plate and the air supply mechanism is facilitated.
As the preferred, air supply mechanism includes the filter install bin, and the one end of filter install bin is equipped with the blast pipe that is connected with the connecting pipe, and the other end of filter install bin is equipped with a fan installation section of thick bamboo, is equipped with the fan in the fan installation section of thick bamboo.
According to the invention, through the arrangement of the air supply mechanism structure, the temperature reduction of the collecting ring is better realized.
Preferably, the end part of the blast pipe close to the connecting pipe is expanded outwards along the circumferential direction to form a blast pipe flange, the side wall of the connecting pipe is provided with external threads, the end part of the connecting pipe extending out of the mounting through hole is provided with a threaded sleeve matched with the external threads, and the inner wall of the threaded sleeve close to the blast pipe is contracted inwards to form an annular baffle matched with the blast pipe flange.
According to the invention, the connection between the blast pipe and the connecting pipe is conveniently realized through the arrangement of the blast pipe flange, the threaded sleeve and the annular baffle.
As preferred, be equipped with the bar shaped plate that a plurality of groups are located fan installing cylinder both ends in the filter install bin, the draw-in groove is constituteed with the lateral wall of filter install bin to every group bar shaped plate, is equipped with a plurality of filter in the filter install bin, and the both ends of filter stretch into in the draw-in groove.
According to the invention, through the arrangement of the filter plate, dust in an external environment is prevented from being blown into the protective shell, so that the stability of the infrared temperature measuring device for the collector ring of the generator in use is better improved.
Preferably, two clamping seats which are respectively positioned at two ends of the exhaust hole and have L-shaped sections are arranged in the protective shell, a filter screen covering the exhaust hole is arranged in the protective shell, and two end parts of the filter screen extend into the clamping seats.
According to the invention, through the arrangement of the filter screen, the stability of the infrared temperature measuring device for the collector ring of the generator in use is better improved.
Preferably, the outer side wall of the protective shell close to the opening is expanded outwards along the circumferential direction to form a mounting step, and a plurality of mounting step through holes are formed in the mounting step.
According to the invention, the installation steps are arranged, so that the generator collecting ring infrared temperature measuring device can be conveniently connected with a generator.
Preferably, a rain shield covering the upper end of the exhaust hole is provided on the mounting step.
According to the invention, through the arrangement of the rain shield, the stability of the infrared temperature measuring device for the collector ring of the generator in use is better improved.
Drawings
Fig. 1 is a schematic structural diagram of an infrared temperature measuring device for a collector ring of a generator in embodiment 1.
Fig. 2 is a sectional view of the generator collecting ring infrared temperature measuring device in fig. 1.
Fig. 3 is an enlarged view of a portion a in fig. 2.
Fig. 4 is a schematic structural view of the protective case in embodiment 2.
Detailed Description
For a further understanding of the invention, reference should be made to the following detailed description taken in conjunction with the accompanying drawings and examples. It is to be understood that the examples are illustrative of the invention and not limiting.
Example 1
As shown in fig. 1-3, the present embodiment provides an infrared temperature measuring device for a generator collecting ring, which includes a protective casing 110 covering the generator collecting ring, the protective casing 110 is cylindrical and has a unidirectional opening, an arc-shaped plate 120 with a semicircular cross section is disposed in the protective casing 110, and an infrared temperature measuring sensor 130 is disposed at the center of the arc-shaped plate 120; an air transmission cavity 210 is arranged in the arc-shaped plate 120, an arc-shaped plate through hole 140 communicated with the air transmission cavity 210 is arranged on the end surface of the arc-shaped plate 120 close to the center of the protection shell 110, and an exhaust hole 220 is also arranged on the protection shell 110; the arc-shaped plate 120 is provided with an air supply mechanism for supplying air to the air delivery chamber 210.
When the infrared temperature measuring device for the collector ring of the generator in the embodiment is used, firstly, the carbon brush on the generator is installed in the protective shell 110, then, the infrared temperature measuring device for the collector ring of the generator is installed on the generator to enable the carbon brush to abut against the collector ring, when the collector ring is used, the infrared temperature sensor 130 on the arc-shaped plate 120 can detect the temperature of the collector ring in real time and display the temperature on the display center, when the temperature of the collector ring is detected to be too high, a user can start the air supply mechanism to supply air to the air transmission cavity 210, so that the air is discharged through the exhaust holes 220 on the protective shell 110, and the cooling of the collector ring is realized. The infrared temperature measuring device of generator collecting ring in this embodiment compares in the online temperature monitoring device of hydraulic generator collecting ring in the comparison file, has not only realized the real-time supervision to collecting ring temperature to can cool down the collecting ring through air supply mechanism, thereby avoided the collecting ring to burn out because the high temperature when using, thereby the promotion of preferred collecting ring stability when using. Infrared ray temperature sensor in this embodiment is connected with the PLC controller, and the PLC controller is connected with the temperature storage ware that is used for carrying out the storage to temperature data. It should be noted that: since the detection of the collector ring temperature by the infrared temperature sensor 130 is a prior art disclosed in the comparison document, it is not described in detail in this embodiment.
In this embodiment, the protective casing 110 is provided with a mounting through hole 310, the arc plate 120 is provided with a connecting pipe 320 communicated with the gas transmission chamber 210, and an end of the connecting pipe 320 extends out of the mounting through hole 310.
Through the cooperation between the mounting through-hole 310 and the connection pipe 320 in the present embodiment, not only is the arc plate 120 prevented from moving when the arc plate 120 is mounted in the protective case 110; and facilitates the connection of the arc plate 120 with the air supply mechanism.
In this embodiment, the air supply mechanism includes a filter mounting case 150, an air supply pipe 160 connected to the connection pipe 320 is disposed at one end of the filter mounting case 150, a fan mounting cylinder 170 is disposed at the other end of the filter mounting case 150, and a fan 230 is disposed in the fan mounting cylinder 170.
When the infrared temperature measuring device for the collector ring of the generator in the embodiment is used, the infrared temperature measuring device can be connected with the power supply of the ventilator 230, so that the outside air enters the air transmission cavity 210 through the ventilator mounting cylinder 170, the filter plate mounting box 150, the air supply pipe 160 and the connecting pipe 320 in sequence, the air entering the air transmission cavity 210 is discharged into the protective shell 110 through the arc-shaped plate through hole 140, and finally discharged through the exhaust hole 220, and the heat in the protective shell 110 is taken out. In this embodiment, through the setting of air supply mechanism structure, better realization is to the cooling of collecting ring.
In this embodiment, the end of the air supply pipe 160 close to the connection pipe 320 is expanded outward along the circumferential direction to form an air supply pipe flange 330, the side wall of the connection pipe 320 is provided with an external thread 340, the end of the connection pipe 320 extending out of the installation through hole 310 is provided with a threaded sleeve 350 matched with the external thread 340, and the inner wall of the threaded sleeve 350 close to the air supply pipe 160 is contracted inward to form an annular baffle 360 matched with the air supply pipe flange 330.
When the infrared temperature measuring device for the collector ring of the generator in the embodiment is installed, the blast pipe 160 and the connecting pipe 320 can be abutted together, then the threaded sleeve 350 is screwed, and the connecting pipe 320 and the blast pipe 160 are connected together through the matching between the annular baffle 360 and the blast pipe flange 330. In this embodiment, the air supply pipe 160 and the connection pipe 320 are conveniently connected by the arrangement of the air supply pipe flange 330, the threaded sleeve 350 and the annular baffle 360.
In this embodiment, the filter mounting box 150 is provided with a plurality of sets of strip plates 240 at two ends of the fan mounting tube 170, each set of strip plates 240 forms a clamping groove 250 with the side wall of the filter mounting box 150, the filter mounting box 150 is provided with a plurality of filters 260, and two ends of the filters 260 extend into the clamping grooves 250.
Through the arrangement of the filter plate 260 in the embodiment, the air is filtered, dust in the external environment is prevented from being blown into the protective shell 110, and therefore the stability of the infrared temperature measuring device for the collector ring of the generator in use is improved better.
In this embodiment, two clamping seats 180 with "L" shaped cross sections are disposed in the protection housing 110 and located at two ends of the exhaust hole 220, respectively, a filter screen 190 covering the exhaust hole 220 is disposed in the protection housing 110, and two ends of the filter screen 190 extend into the clamping seats 180.
Through the arrangement of the filter screen 190 in this embodiment, dust in the external environment can be prevented from entering the protection casing 110 through the exhaust hole 220, so that the stability of the infrared temperature measuring device for the collector ring of the generator in use is improved better.
In this embodiment, the outer sidewall of the protection casing 110 near the opening is expanded outward along the circumferential direction to form an installation step 1100, and the installation step 1100 is provided with a plurality of installation step through holes 1110.
Through the arrangement of the installation steps 1100 in the embodiment, the infrared temperature measuring device for the collector ring of the generator can be conveniently connected with the generator.
In this embodiment, the installation step 1100 is provided with a rain shield 1120 covering the upper end of the air discharge hole 220.
Through the setting of weather shield 1120 in this embodiment, can avoid liquid such as external environment's rainwater to pass in exhaust hole 220 gets into protection casing 110 to the promotion of preferred this infrared temperature measuring device of generator collecting ring stability when using.
In this embodiment, the protective casing 110 is provided with a mounting rod 1130 located above the arc plate 120, the mounting rod 1130 is sleeved with a carbon brush mounting support 1140, and a carbon brush matched with the collecting ring is arranged on the carbon brush mounting support 1140.
When the infrared temperature measuring device for the collector ring of the generator in the embodiment needs to replace the carbon brush, the protective shell 110 can be taken down from the collector ring, and then the carbon brush mounting support 1140 is taken down from the mounting rod 1130 to replace the carbon brush. In this embodiment, the carbon brush can be replaced more conveniently by providing the mounting rod 1130 and the carbon brush mounting bracket 1140.
Example 2
As shown in fig. 1 to 4, this embodiment provides an infrared temperature measuring device for a collector ring of a generator, which is different from the infrared temperature measuring device for a collector ring of a generator in embodiment 1 in that: the protective housing 110 is not provided with the mounting rod 1130, and the carbon brush is mounted on the power generation device; the protective shell 110 comprises two connected sub-shells 410, the two sub-shells 410 jointly form the protective shell 110, the adjacent ends of the two sub-shells 410 are provided with semicircular grooves 420, and the semicircular grooves 420 on the two sub-shells 410 jointly form a protective shell through hole 430; the outer side walls of the two sub-housings 410 are provided with slide rails 440, and the slide rails 440 are provided with guide rails 450 matched with the slide rails 440.
Through the arrangement of the structure of the protection shell 110 in the embodiment, when the protection shell 110 is installed, the two sub-shells 410 can be sequentially connected with and fixed to the power generation device, so that when both ends of the collecting ring are connected with the power generation device, the infrared temperature measurement device for the collecting ring of the power generator in the embodiment can be preferably connected with the power generation device, and therefore the applicability of the infrared temperature measurement device for the collecting ring of the power generator in the embodiment is further improved. When the carbon brush needs to be replaced, the two sub-protection shells 410 slide, so that a worker can replace the carbon brush conveniently, and after the carbon brush is replaced, the two sub-protection shells 410 can slide on the collecting ring to continue temperature monitoring of the collecting ring.
In summary, the above-mentioned embodiments are only preferred embodiments of the present invention, and all equivalent changes and modifications made in the claims of the present invention should be covered by the claims of the present invention.
Claims (8)
1. The utility model provides an infrared temperature measuring device of generator collecting ring which characterized in that: the temperature measuring device comprises a protective shell (110) covering a collector ring of a generator, wherein the protective shell (110) is cylindrical and is provided with a one-way opening, an arc-shaped plate (120) with a semicircular section is arranged in the protective shell (110), and an infrared temperature measuring sensor (130) is arranged at the center of the arc-shaped plate (120); an air transmission cavity (210) is arranged in the arc-shaped plate (120), an arc-shaped plate through hole (140) communicated with the air transmission cavity (210) is arranged on the end surface of the arc-shaped plate (120) close to the center of the protective shell (110), and an exhaust hole (220) is also arranged on the protective shell (110); an air supply mechanism used for conveying air to the air conveying cavity (210) is arranged on the arc-shaped plate (120).
2. The infrared temperature measuring device for the collector ring of the generator according to claim 1, characterized in that: the protective shell (110) is provided with an installation through hole (310), the arc-shaped plate (120) is provided with a connecting pipe (320) communicated with the air transmission cavity (210), and the end part of the connecting pipe (320) extends out of the installation through hole (310).
3. The infrared temperature measuring device for the collector ring of the generator according to claim 2, characterized in that: the air supply mechanism comprises a filter plate mounting box (150), one end of the filter plate mounting box (150) is provided with an air supply pipe (160) connected with the connecting pipe (320), the other end of the filter plate mounting box (150) is provided with a fan mounting cylinder (170), and a fan (230) is arranged in the fan mounting cylinder (170).
4. The infrared temperature measuring device for the collector ring of the generator according to claim 3, characterized in that: the end part of the blast pipe (160) close to the connecting pipe (320) is outwards expanded along the circumferential direction to form a blast pipe flange (330), the side wall of the connecting pipe (320) is provided with an external thread (340), the end part of the connecting pipe (320) extending out of the mounting through hole (310) is provided with a threaded sleeve (350) matched with the external thread (340), and the inner wall of the threaded sleeve (350) close to the blast pipe (160) is inwards contracted to form an annular baffle (360) matched with the blast pipe flange (330).
5. The infrared temperature measuring device for the collector ring of the generator according to claim 3, characterized in that: be equipped with bar shaped plate (240) that a plurality of groups are located fan installing cylinder (170) both ends in filter install bin (150), draw-in groove (250) are constituteed with the lateral wall of filter install bin (150) to every group bar shaped plate (240), are equipped with a plurality of filter (260) in filter install bin (150), and the both ends of filter (260) stretch into in draw-in groove (250).
6. The infrared temperature measuring device for the collector ring of the generator according to claim 1, characterized in that: two clamping seats (180) which are respectively positioned at two ends of the exhaust hole (220) and have L-shaped sections are arranged in the protection shell (110), a filter screen (190) covered on the exhaust hole (220) is arranged in the protection shell (110), and two ends of the filter screen (190) extend into the clamping seats (180).
7. The infrared temperature measuring device for the collector ring of the generator according to claim 1, characterized in that: the outer side wall of the protective shell (110) close to the opening is expanded outwards along the circumferential direction to form an installation step (1100), and a plurality of installation step through holes (1110) are formed in the installation step (1100).
8. The infrared temperature measuring device for the collector ring of the generator according to claim 7, characterized in that: a rain shield (1120) covering the upper end of the exhaust hole (220) is arranged on the mounting step (1100).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110973646.8A CN113726103A (en) | 2021-08-24 | 2021-08-24 | Infrared temperature measuring device for collector ring of generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110973646.8A CN113726103A (en) | 2021-08-24 | 2021-08-24 | Infrared temperature measuring device for collector ring of generator |
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| Publication Number | Publication Date |
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| CN113726103A true CN113726103A (en) | 2021-11-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110973646.8A Pending CN113726103A (en) | 2021-08-24 | 2021-08-24 | Infrared temperature measuring device for collector ring of generator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116131507A (en) * | 2023-02-23 | 2023-05-16 | 山东得普达电机股份有限公司 | Permanent magnet motor with heat dissipation warning function |
-
2021
- 2021-08-24 CN CN202110973646.8A patent/CN113726103A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116131507A (en) * | 2023-02-23 | 2023-05-16 | 山东得普达电机股份有限公司 | Permanent magnet motor with heat dissipation warning function |
| CN116131507B (en) * | 2023-02-23 | 2023-11-24 | 山东得普达电机股份有限公司 | Permanent magnet motor with heat dissipation warning function |
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