CN215066937U - Frequency detection device of frequency converter - Google Patents
Frequency detection device of frequency converter Download PDFInfo
- Publication number
- CN215066937U CN215066937U CN202120887510.0U CN202120887510U CN215066937U CN 215066937 U CN215066937 U CN 215066937U CN 202120887510 U CN202120887510 U CN 202120887510U CN 215066937 U CN215066937 U CN 215066937U
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- Prior art keywords
- wall
- shell
- frequency
- welded
- frequency detection
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- 238000001514 detection method Methods 0.000 title claims abstract description 25
- 238000009423 ventilation Methods 0.000 claims description 7
- 238000001914 filtration Methods 0.000 abstract description 4
- 238000003466 welding Methods 0.000 abstract description 3
- 230000006978 adaptation Effects 0.000 abstract description 2
- 230000002349 favourable effect Effects 0.000 abstract description 2
- 239000002516 radical scavenger Substances 0.000 description 4
- 230000033228 biological regulation Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000010030 laminating Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
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Abstract
The utility model belongs to the technical field of the converter and specifically relates to a frequency detection device of converter is related to, including casing, welding at the spring of casing both sides inner wall and the fixed plate of welding one end is close to each other at the spring, the top and one side of casing do not seal, the inside of casing is pegged graft and is had the frequency detection appearance body, and the top and the bottom of the both sides inner wall of casing have all seted up the intake duct, one side outer wall of casing articulates has fixed frame, and the inner wall both sides of fixed frame all set up with the hole of intake duct looks adaptation, and the fixed frame outer wall of hole department all welds and has admitted air and keep off the ring, the apron is installed at the top of casing. The utility model discloses inside fresh gas gets into along the intake duct after the filtration of fender ring through admitting air, takes away the heat of frequency detection appearance body through the intake duct, dispels the heat, compares in traditional mode, is favorable to improving the radiating efficiency of frequency detection appearance body.
Description
Technical Field
The utility model relates to a converter technical field especially relates to a frequency detection device of converter.
Background
The frequency measuring instrument is an electronic measuring instrument which is specially used for measuring the frequency of a measured signal; the most basic working principle is as follows: when the number of cycles of the signal to be measured in the specific time period T is N, the frequency f of the signal to be measured is N/T. The frequency measuring instrument mainly comprises four parts: time base (T) circuit, input circuit, count display circuit and control circuit. During a measuring period, the measured periodic signal forms a narrow pulse with a specific period after being amplified, shaped and differentiated in an input circuit, and the narrow pulse is sent to one input end of the main gate. The other input end of the main gate is a gate pulse generated by the time-base circuit generating circuit. During the period that the gate pulse opens the main door, the narrow pulse with a specific period can pass through the main door so as to enter the measuring instrument for counting, the display circuit of the measuring instrument is used for displaying the frequency value of the measured signal, and the internal control circuit is used for completing the switching among various measuring functions and realizing the measurement and setting of the frequency characteristic; the tester is commonly called a sweep generator, and is used for measuring the frequency characteristics of a network (circuit), such as the frequency characteristics of a measuring filter, an amplifier, a high-frequency tuner, a duplexer, an antenna and the like, and is often used for testing electronic equipment or networks, and is also one of the electronic measuring instruments commonly used in laboratories;
the inside accurate electronic components that contains of frequency detector, the frequency detector can be carried to the while going out to overhaul usually, causes the damage to the frequency detector when going out to use easily, reduces its life.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the shortcomings existing in the prior art and providing a frequency detection device of a frequency converter.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a frequency detection device of converter, includes the casing, welds the spring of casing both sides inner wall and welds the fixed plate that the spring is close to one end each other, the top and one side of casing are not sealed, the inside of casing is pegged graft there is the frequency detector body, and the top and the bottom of the both sides inner wall of casing all seted up the intake duct, one side outer wall of casing articulates there is fixed frame, and the inner wall both sides of fixed frame all set up with the hole of intake duct looks adaptation, and the fixed frame outer wall of hole department all welds and admit air and keep off the ring, the apron is installed at the top of casing, the casing is kept away from one side of fixed frame and has been seted up the round hole, and installs the scavenger fan in the round hole, the bottom outer wall welding of casing has the regulation structure.
Preferably, the adjusting structure comprises support columns welded at four corners of the outer wall of the bottom of the shell at equal intervals, threaded holes are formed in the centers of the support columns, adjusting rods are arranged in the threaded holes, threads matched with the threaded holes are welded on the outer wall of each adjusting rod, and a rubber base is welded at the bottom of each adjusting rod.
Preferably, the center of the outer wall of the top of the cover plate is provided with a groove, the inner wall of the bottom of the groove is provided with two handles, and the two handles are rotatably connected to the inner walls of the two sides of the groove.
Preferably, the filter screens are welded on the inner part of the air inlet baffle ring and the outer wall of the shell at the round hole.
Preferably, the center of the outer wall of the two sides of the shell is rotatably provided with a sling mount, and the two sides of the inner wall of the bottom of the shell at the position of the ventilator are provided with storage batteries.
Preferably, the ventilation fan is connected with the switch through a lead, and the switch is connected with the storage battery through a lead.
The utility model has the advantages that:
1. the frequency detector is characterized in that the fixing frame and the cover plate are opened through the shell, the spring, the fixing plate, the frequency detector body, the cover plate, the groove, the handle, the supporting columns, the threaded holes, the adjusting rod, the fixing frame and the sling mount, the frequency detector body is placed inside the shell, the spring pushes the fixing plate to be attached to two sides of the frequency detector body, then the upper cover plate is installed and the fixing frame is closed, the frequency detector is carried through the handle and the sling mount, the adjusting rod is rotated according to the required height to adjust the height of the shell, and compared with the traditional mode, the frequency detector body is protected, and the service life is prolonged;
2. through the intake duct, admit air and keep off ring, round hole, scavenger fan and realize that the scavenger fan rotates the gas outgoing with the casing inside, fresh gas keeps off the filtration back of ring through admitting air and gets into inside along the intake duct, takes away the heat of frequency detection appearance body through the intake duct, dispels the heat, compares in traditional mode, is favorable to improving the radiating efficiency of frequency detection appearance body.
Drawings
Fig. 1 is a schematic diagram of an internal structure of a frequency detection device of a frequency converter according to the present invention;
fig. 2 is a schematic perspective view of a frequency detection device of a frequency converter according to the present invention;
fig. 3 is a schematic bottom structure diagram of a frequency detection device of a frequency converter according to the present invention;
fig. 4 is a schematic top view of a cross-sectional structure of a frequency detecting device of a frequency converter according to the present invention;
fig. 5 is a schematic view of a fixing frame structure of the frequency detection device of the frequency converter provided by the present invention.
In the figure: the device comprises a shell 1, a spring 2, a fixing plate 3, a frequency detector body 4, an air inlet channel 5, an air inlet baffle ring 6, a round hole 7, an air exchange fan 8, a cover plate 9, a groove 10, a handle 11, a support column 12, a threaded hole 13, an adjusting rod 14, a fixing frame 15 and a sling buckle 16.
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.
Referring to fig. 1-5, a frequency detection device of a frequency converter comprises a shell 1, springs 2 welded on inner walls of two sides of the shell 1, and a fixing plate 3 welded at one end of the springs 2 close to each other, wherein the top and one side of the shell 1 are not sealed, a frequency detector body 4 is inserted into the shell 1, air inlet channels 5 are respectively arranged at the top and the bottom of the inner walls of the two sides of the shell 1, a fixing frame 15 is hinged on the outer wall of one side of the shell 1, holes matched with the air inlet channels 5 are respectively arranged at two sides of the inner wall of the fixing frame 15, an air inlet baffle ring 6 is welded on the outer wall of the fixing frame 15 at the holes, a cover plate 9 is arranged at the top of the shell 1, a round hole 7 is arranged at one side of the shell 1 far away from the fixing frame 15, a ventilation fan 8 is arranged in the round hole 7, an adjusting structure is welded on the outer wall of the bottom of the shell 1, the adjusting structure comprises support columns 12 welded at four corners of the outer wall of the bottom of the shell 1 at equal intervals, a threaded hole 13 is formed in the center of the support column 12, an adjusting rod 14 is arranged in the threaded hole 13, threads matched with the threaded hole 13 are welded on the outer wall of the adjusting rod 14, a rubber base is welded at the bottom of the adjusting rod 14, a groove 10 is formed in the center of the outer wall of the top of the cover plate 9, two handles 11 are arranged on the inner wall of the bottom of the groove 10, the two handles 11 are rotatably connected to the inner walls of the two sides of the groove 10, filter screens are welded inside the air inlet baffle ring 6 and on the outer wall of the shell 1 at the position of the round hole 7, sling fasteners 16 are rotatably mounted at the centers of the outer walls of the two sides of the shell 1, storage batteries are mounted on the two sides of the inner wall of the bottom of the shell 1 at the position of the ventilation fan 8, the ventilation fan 8 is connected with a switch through a lead, and the switch is connected with the storage batteries through a lead;
the fixing frame 15 and the cover plate 9 are opened, the frequency detector body 4 is placed in the shell 1, the spring 2 pushes the fixing plate 3 to be attached to two sides of the frequency detector body 4, then the upper cover plate 9 and the fixing frame 15 are installed and closed, the frequency detector is carried through the handle 11 and the sling mount 16, the adjusting rod 14 is rotated according to the required height to adjust the height of the shell 1, and compared with the traditional mode, the frequency detector is protected, and the service life is prolonged;
the ventilation fan 8 rotates and discharges the gas in the casing 1, fresh gas enters the interior along the air inlet channel 5 after passing through the filtering of the air inlet baffle ring 6, the heat of the frequency detector body 4 is taken away through the air inlet channel 5, heat dissipation is carried out, and compared with a traditional mode, the heat dissipation efficiency of the frequency detector body is favorably improved.
The working principle is as follows: open fixed frame 15 and apron 9, put into 1 insidely of casing with frequency detection appearance body 4, make spring 2 promote the both sides laminating of fixed plate 3 and frequency detection appearance body 4, later install upper cover plate 9 and close fixed frame 15, carry through handle 11 and sling mount 16, adjust 1 high of casing according to required high rotation regulation pole 14, scavenger fan 8 rotates the gas outgoing of 1 insidely of casing, fresh gas keeps off ring 6's filtration back through the admitting air and gets into inside along intake duct 5, take away the heat of frequency detection appearance body 4 through intake duct 5, dispel the heat.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. A frequency detection device of a frequency converter comprises a shell (1), springs (2) welded on inner walls of two sides of the shell (1) and a fixing plate (3) welded on one end, close to one end of the springs (2), wherein the top and one side of the shell (1) are not sealed, and is characterized in that a frequency detector body (4) is inserted into the shell (1), air inlet channels (5) are respectively arranged at the top and the bottom of the inner walls of the two sides of the shell (1), a fixing frame (15) is hinged to the outer wall of one side of the shell (1), holes matched with the air inlet channels (5) are respectively arranged on two sides of the inner wall of the fixing frame (15), an air inlet baffle ring (6) is welded on the outer wall of the fixing frame (15) at the holes, a cover plate (9) is installed at the top of the shell (1), and a round hole (7) is arranged on one side, far away from the fixing frame (15), of the shell (1), and a ventilation fan (8) is installed in the round hole (7), and an adjusting structure is welded on the outer wall of the bottom of the shell (1).
2. The frequency detection device of the frequency converter according to claim 1, wherein the adjusting structure comprises support columns (12) welded at four corners of the outer wall of the bottom of the housing (1) at equal intervals, a threaded hole (13) is formed in the center of each support column (12), an adjusting rod (14) is arranged in each threaded hole (13), threads matched with the threaded holes (13) are welded on the outer wall of each adjusting rod (14), and a rubber base is welded at the bottom of each adjusting rod (14).
3. The frequency detection device of a frequency converter according to claim 1, wherein a groove (10) is formed in the center of the top outer wall of the cover plate (9), two handles (11) are arranged on the bottom inner wall of the groove (10), and the two handles (11) are rotatably connected to the inner walls on the two sides of the groove (10).
4. The frequency detection device of the frequency converter according to claim 1, wherein the filter screens are welded in the air inlet baffle ring (6) and on the outer wall of the shell (1) at the position of the circular hole (7).
5. The frequency detection device of a frequency converter according to claim 1, wherein the center of the outer wall of the housing (1) at both sides is rotatably provided with a sling mount (16), and the inner wall of the housing (1) at the bottom of the ventilator (8) at both sides is provided with a storage battery.
6. The frequency detection device of a frequency converter according to claim 1, wherein the ventilation fan (8) is connected to the switch through a wire, and the switch is connected to the battery through a wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120887510.0U CN215066937U (en) | 2021-04-27 | 2021-04-27 | Frequency detection device of frequency converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120887510.0U CN215066937U (en) | 2021-04-27 | 2021-04-27 | Frequency detection device of frequency converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215066937U true CN215066937U (en) | 2021-12-07 |
Family
ID=79110094
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120887510.0U Expired - Fee Related CN215066937U (en) | 2021-04-27 | 2021-04-27 | Frequency detection device of frequency converter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215066937U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114688407A (en) * | 2022-03-22 | 2022-07-01 | 云南电网有限责任公司红河供电局 | Network space intelligent asset detection device |
-
2021
- 2021-04-27 CN CN202120887510.0U patent/CN215066937U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114688407A (en) * | 2022-03-22 | 2022-07-01 | 云南电网有限责任公司红河供电局 | Network space intelligent asset detection device |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211207 |