CN216851945U - Novel limit switch combination device of medium wave broadcast transmitter - Google Patents
Novel limit switch combination device of medium wave broadcast transmitter Download PDFInfo
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- CN216851945U CN216851945U CN202220365942.XU CN202220365942U CN216851945U CN 216851945 U CN216851945 U CN 216851945U CN 202220365942 U CN202220365942 U CN 202220365942U CN 216851945 U CN216851945 U CN 216851945U
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- connecting electrode
- fixed mounting
- filter screen
- limit switch
- cooling tube
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Abstract
The utility model discloses a novel limit switch composite set of medium wave broadcasting transmitter, the inside fixed mounting of cooling tube has the filter screen, the surface of filter screen is provided with the cleaning brush, there is control module along fixed mounting in the cooling tube, the inside of cooling tube and the outside fixed mounting that is located the filter screen have the mount, the upper end fixed mounting of mount has solid fixed ring, gu fixed ring's inside is rotated and is connected with the dwang, wind blade and link are installed respectively at the both ends of dwang. A novel limit switch of medium wave broadcasting transmitter composite set, a connecting electrode upper portion fixed mounting slide, the slide passes through buffer spring and the interior edge of inside groove is fixed to provide the buffering to No. two connecting electrodes and a connecting electrode's collision, thereby avoid wind-force great to lead to No. two connecting electrodes and a connecting electrode collision dynamics great to lead to No. two connecting electrodes or a connecting electrode damage.
Description
Technical Field
The utility model relates to a medium wave broadcasting transmitter field, in particular to novel limit switch combination device field of medium wave broadcasting transmitter.
Background
Medium wave broadcasting mainly transmits by diffraction of ground waves, and a part of medium wave broadcasting transmits by reflected waves of an ionosphere, when the power of a transmitter is larger, the direct transmission distance is farther, the medium wave broadcasting transmitter has the characteristics of long transmission distance, strong diffraction capability and no influence of sight distance, the medium wave broadcasting transmitter needs to use a cooling fan to cool the transmitter in the using process, but dust in the air easily enters the inside of a machine body through a cooling hole to cause damage of the machine body, so that a filter screen needs to be arranged to filter the dust, but the filter screen can be blocked by the dust to influence the cooling efficiency, so that the filter screen needs to be timely cleaned when the air flow is blocked, the existing device cannot timely clean the filter screen when the air flow is blocked, and therefore, the novel limit switch combination device of the medium wave broadcasting transmitter is provided.
SUMMERY OF THE UTILITY MODEL
A primary object of the present invention is to provide a novel limit switch assembly for a medium wave broadcast transmitter, which can effectively solve the problems of the prior art.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a novel limit switch composite set of medium wave broadcasting transmitter, includes the cooling tube, the inside fixed mounting of cooling tube has the filter screen, the surface of filter screen is provided with the cleaning brush, there is control module along fixed mounting in the cooling tube, the inside of cooling tube and the outside fixed mounting that is located the filter screen have the mount, the upper end fixed mounting of mount has solid fixed ring, gu fixed ring's inside is rotated and is connected with the dwang, wind blade and link are installed respectively at the both ends of dwang.
The utility model discloses a further improvement lies in, there is the support frame interior along bottom fixed mounting of cooling tube, the upper end fixed mounting of support frame has driving motor, the positive fixed mounting of cleaning brush has the rotor plate, driving motor's output is connected with the bottom transmission of rotor plate, driving motor's output corresponds with the axle center of filter screen, and when turn-off signal transmission to control module, control module control driving motor work like this, and driving motor's output drives the bottom rotation of rotor plate to drive rotor plate and cleaning brush and brushing filtering netlist face, and then clear up the filter screen in real time.
The utility model discloses a further improvement lies in, the side fixed mounting of mount has the fixed plate, the bottom of fixed plate is provided with connecting electrode No. one, the back fixed mounting of link has connecting electrode No. two.
The further improvement of the utility model lies in that the position of the first connecting electrode corresponds to the position of the second connecting electrode, the first connecting electrode is electrically connected with the second connecting electrode, thus the air current generated by starting the radiating fan of the broadcast transmitter drives the pneumatic blade to rotate, the pneumatic blade is fixedly connected with the connecting frame through the rotating rod, the middle part of the rotating rod rotates in the fixing ring, thereby driving the connecting frame to rotate around the axis of the rotating rod, the second connecting electrode on the surface of the connecting frame is in contact with the first connecting electrode on the bottom of the fixing plate to be conducted and electrified, the conducting signal is transmitted to the control module, which indicates that the dust on the surface of the filter screen does not need to be cleaned, when the dust on the surface of the filter screen needs to be cleaned, the meshes of the filter screen are blocked by the dust, the air current flow is reduced, the second connecting electrode on the surface of the connecting frame is disconnected with the first connecting electrode on the bottom of the fixing plate, and then the disconnecting signal is transmitted to the control module, and carrying out cleaning operation.
The utility model discloses a further improvement lies in, the inside groove has been seted up to the bottom of fixed plate, the inside sliding connection of inside groove has the slide, the bottom and the connection electrode fixed connection of a slide, the last fixed surface of slide installs buffer spring, buffer spring's upper end and the interior fixed connection of following of inside groove, such a connection electrode upper portion fixed mounting slide, the slide slides in the inside of inside groove, and the slide passes through buffer spring and the interior of inside groove along fixed to the collision to No. two connection electrode and a connection electrode provides the buffering, thereby avoids wind-force great to lead to No. two connection electrode and a great connection electrode or the damage of a connection electrode that leads to of a connection electrode collision dynamics.
The utility model discloses further improvement lies in, control module's output and No. two connection electrode and driving motor, control module's input and a connection electrode are connected.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the air current generated by starting a radiating fan of a broadcasting transmitter drives a pneumatic blade to rotate, the pneumatic blade is fixedly connected with a connecting frame through a rotating rod, the middle part of the rotating rod rotates in a fixing ring to drive the connecting frame to rotate around the axis of the rotating rod, so that a second connecting electrode on the surface of the connecting frame is in contact with a first connecting electrode at the bottom of a fixing plate to be conducted and electrified, a conducting signal is transmitted to a control module to indicate that dust on the surface of a filter screen does not need to be cleaned, when the dust on the surface of the filter screen needs to be cleaned, the meshes of the filter screen are blocked by the dust, the air flow is reduced, the second connecting electrode on the surface of the connecting frame is disconnected with the first connecting electrode at the bottom of the fixing plate, a disconnecting signal is transmitted to the control module to carry out cleaning operation, a sliding plate is fixedly arranged on the upper part of the first connecting electrode, the sliding plate slides in the inner groove, and is fixed with the inner edge of the inner groove through a buffer spring, thereby provide the buffering to No. two connecting electrode and the collision of a connecting electrode, thereby avoid wind-force great to lead to No. two connecting electrode and a great connecting electrode collision dynamics to lead to No. two connecting electrode or a connecting electrode damage.
2. When the disconnection signal is transmitted to the control module, the control module controls the driving motor to work, and the output end of the driving motor drives the bottom end of the rotating plate to rotate, so that the rotating plate and the cleaning brush are driven to brush on the surface of the filter net, and the filter net is cleaned in real time.
Drawings
Fig. 1 is the overall structure schematic diagram of the novel limit switch combination device of the medium wave broadcast transmitter of the present invention.
Fig. 2 is a schematic view of the connection between the fixing frame, the rotating rod and the wind-driven blade of the novel limit switch assembly of the medium wave broadcasting transmitter of the present invention.
Fig. 3 is a schematic view of the connection of the rotating rod, the pneumatic blade and the connecting frame of the novel limit switch assembly of the medium wave broadcasting transmitter of the present invention.
Fig. 4 is a schematic cross-sectional view of a fixing plate of the novel limit switch assembly of the medium wave broadcasting transmitter of the present invention.
Fig. 5 is a schematic view of the connection structure between the support frame and the rotating plate of the novel limit switch assembly of the medium wave broadcasting transmitter of the present invention.
In the figure: 1. a radiating pipe; 2. a filter screen; 3. a cleaning brush; 4. a control module; 5. a fixed mount; 6. rotating the rod; 7. a wind blade; 8. a connecting frame; 9. a fixing ring; 10. a fixing plate; 11. a first connecting electrode; 12. a second connecting electrode; 13. an inner tank; 14. a slide plate; 15. a buffer spring; 16. a support frame; 17. a drive motor; 18. and rotating the plate.
Detailed Description
In order to make the technical means, the creative features, the achievement purposes and the functions of the present invention easy to understand, in the description of the present invention, it is to be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the orientation or the positional relationship based on the orientation or the positional relationship shown in the drawings, only for the convenience of describing the present invention and simplifying the description, but not for indicating or implying that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, cannot be understood as limiting the present invention. Furthermore, the terms "a," "an," "two," and "three" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. The present invention will be further described with reference to the following detailed description.
Example 1
As shown in fig. 1-5, a novel limit switch combination device for a medium wave broadcasting transmitter comprises a radiating tube 1, a filter screen 2 is fixedly installed inside the radiating tube 1, a cleaning brush 3 is arranged on the surface of the filter screen 2, a control module 4 is fixedly installed on the inner edge of the radiating tube 1, a fixing frame 5 is fixedly installed inside the radiating tube 1 and outside the filter screen 2, a fixing ring 9 is fixedly installed at the upper end of the fixing frame 5, the fixing ring 9 is rotatably connected with a rotating rod 6, and a pneumatic blade 7 and a connecting frame 8 are respectively installed at two ends of the rotating rod 6; a fixing plate 10 is fixedly arranged on the side surface of the fixing frame 5, a first connecting electrode 11 is arranged at the bottom of the fixing plate 10, and a second connecting electrode 12 is fixedly arranged on the back surface of the connecting frame 8; the position of the first connecting electrode 11 corresponds to that of the second connecting electrode 12, and the first connecting electrode 11 is electrically connected with the second connecting electrode 12; an inner groove 13 is formed in the bottom of the fixing plate 10, a sliding plate 14 is connected to the inside of the inner groove 13 in a sliding mode, the bottom of the sliding plate 14 is fixedly connected with the first connecting electrode 11, a buffer spring 15 is fixedly mounted on the upper surface of the sliding plate 14, and the upper end of the buffer spring 15 is fixedly connected with the inner edge of the inner groove 13; the output end of the control module 4 is connected with the second connecting electrode 12 and the driving motor 17, and the input end of the control module 4 is connected with the first connecting electrode 11.
The embodiment can realize that: the air current generated by starting a radiating fan of a broadcast transmitter drives a pneumatic blade 7 to rotate, the pneumatic blade 7 is fixedly connected with a connecting frame 8 through a rotating rod 6, the middle part of the rotating rod 6 rotates inside a fixing ring 9, so that the connecting frame 8 is driven to rotate around the axis of the rotating rod 6, a second connecting electrode 12 on the surface of the connecting frame 8 is in contact with a first connecting electrode 11 at the bottom of a fixing plate 10 to be conducted and electrified, and a conducting signal is transmitted to a control module 4, so that the dust on the surface of a filter screen 2 does not need to be cleaned, when the dust on the surface of the filter screen 2 needs to be cleaned, the meshes of the filter screen 2 are blocked by the dust, the air current flow is reduced, the second connecting electrode 12 on the surface of the connecting frame 8 is disconnected from the first connecting electrode 11 at the bottom of the fixing plate 10, at the moment, the disconnecting signal is transmitted to the control module 4 to be cleaned, and a sliding plate 14 is fixedly installed on the upper part of the first connecting electrode 11, the sliding plate 14 slides in the inner groove 13, and the sliding plate 14 is fixed with the inner edge of the inner groove 13 through the buffer spring 15, so that the collision between the second connecting electrode 12 and the first connecting electrode 11 is buffered, and the damage of the second connecting electrode 12 or the first connecting electrode 11 caused by the large collision force between the second connecting electrode 12 and the first connecting electrode 11 due to the large wind force is avoided.
Example 2
As shown in fig. 1-5, a novel limit switch combination device for a medium wave broadcasting transmitter comprises a radiating tube 1, a filter screen 2 is fixedly installed inside the radiating tube 1, a cleaning brush 3 is arranged on the surface of the filter screen 2, a control module 4 is fixedly installed on the inner edge of the radiating tube 1, a fixing frame 5 is fixedly installed inside the radiating tube 1 and outside the filter screen 2, a fixing ring 9 is fixedly installed at the upper end of the fixing frame 5, the fixing ring 9 is rotatably connected with a rotating rod 6, and a pneumatic blade 7 and a connecting frame 8 are respectively installed at two ends of the rotating rod 6; a fixing plate 10 is fixedly arranged on the side surface of the fixing frame 5, a first connecting electrode 11 is arranged at the bottom of the fixing plate 10, and a second connecting electrode 12 is fixedly arranged on the back surface of the connecting frame 8; the position of the first connecting electrode 11 corresponds to that of the second connecting electrode 12, and the first connecting electrode 11 is electrically connected with the second connecting electrode 12; an inner groove 13 is formed in the bottom of the fixing plate 10, a sliding plate 14 is connected to the inside of the inner groove 13 in a sliding mode, the bottom of the sliding plate 14 is fixedly connected with the first connecting electrode 11, a buffer spring 15 is fixedly mounted on the upper surface of the sliding plate 14, and the upper end of the buffer spring 15 is fixedly connected with the inner edge of the inner groove 13; the output end of the control module 4 is connected with the second connecting electrode 12 and the driving motor 17, and the input end of the control module 4 is connected with the first connecting electrode 11; the inner edge of the radiating pipe 1 is fixedly provided with a supporting frame 16, the upper end of the supporting frame 16 is fixedly provided with a driving motor 17, the front surface of the cleaning brush 3 is fixedly provided with a rotating plate 18, the output end of the driving motor 17 is in transmission connection with the bottom of the rotating plate 18, and the output end of the driving motor 17 corresponds to the axis of the filter screen 2.
The embodiment can realize that: when the disconnection signal is transmitted to the control module 4, the control module 4 controls the driving motor 17 to work, and the output end of the driving motor 17 drives the bottom end of the rotating plate 18 to rotate, so that the rotating plate 18 and the cleaning brush 3 are driven to brush the surface of the filter screen 2, and the filter screen 2 is cleaned in real time.
It should be noted that, the utility model relates to a novel limit switch assembly of medium wave broadcasting transmitter, when in use, firstly, the radiating pipe 1 is installed at the air flow inlet of the radiating fan of the broadcasting transmitter, the air flow generated by the starting of the radiating fan of the broadcasting transmitter drives the pneumatic blade 7 to rotate, the pneumatic blade 7 is fixedly connected with the connecting frame 8 through the rotating rod 6, and the middle part of the rotating rod 6 rotates inside the fixing ring 9, thereby driving the connecting frame 8 to rotate around the axis of the rotating rod 6, so that the second connecting electrode 12 on the surface of the connecting frame 8 is in contact with the first connecting electrode 11 at the bottom of the fixing plate 10 to be switched on and powered on, and the switching on signal is transmitted to the control module 4, which indicates that the dust on the surface of the filter screen 2 does not need to be cleaned, and when the dust on the surface of the filter screen 2 needs to be cleaned, the mesh of the filter screen 2 is blocked by the dust, the air flow is reduced, the second connecting electrode 12 on the surface of the connecting frame 8 is disconnected with the first connecting electrode 11 at the bottom of the fixing plate 10, at this time, a disconnection signal is transmitted to the control module 4 to carry out cleaning operation, a sliding plate 14 is fixedly installed on the upper portion of the first connecting electrode 11, the sliding plate 14 slides in the inner groove 13, the sliding plate 14 is fixed with the inner edge of the inner groove 13 through a buffer spring 15, so that collision between the second connecting electrode 12 and the first connecting electrode 11 is buffered, damage to the second connecting electrode 12 or the first connecting electrode 11 due to high collision force of the second connecting electrode 12 and the first connecting electrode 11 caused by high wind power is avoided, when the disconnection signal is transmitted to the control module 4, the control module 4 controls the driving motor 17 to work, the output end of the driving motor 17 drives the bottom end of the rotating plate 18 to rotate, the rotating plate 18 and the cleaning brush 3 are driven to brush on the surface of the filter screen 2, and the filter screen 2 is cleaned in real time.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a novel limit switch composite set of medium wave broadcast transmitter, includes cooling tube (1), the inside fixed mounting of cooling tube (1) has filter screen (2), its characterized in that: the utility model discloses a cooling device, including cooling tube (1), the inside of cooling tube (1) is located the outside fixed mounting that filter screen (2) had mount (5), the upper end fixed mounting of mount (5) has solid fixed ring (9), the inside rotation of solid fixed ring (9) is connected with dwang (6), wind moving blade (7) and link (8) are installed respectively at the both ends of dwang (6), cleaning brush (3) are provided with to the surface of filter screen (2), there is control module (4) along fixed mounting in the cooling tube (1), the outside fixed mounting that just is located filter screen (2) of cooling tube (1), the upper end fixed mounting of mount (5) has solid fixed ring (9).
2. The novel limit switch assembly of a medium wave broadcasting transmitter of claim 1, wherein: interior edge bottom fixed mounting of cooling tube (1) has support frame (16), the upper end fixed mounting of support frame (16) has driving motor (17), the positive fixed mounting of cleaning brush (3) has rotor plate (18), the output of driving motor (17) is connected with the bottom transmission of rotor plate (18), the output of driving motor (17) corresponds with the axle center of filter screen (2).
3. The novel limit switch assembly of a medium wave broadcasting transmitter of claim 1, wherein: the side fixed mounting of mount (5) has fixed plate (10), the bottom of fixed plate (10) is provided with connecting electrode (11) No. one, the back fixed mounting of link (8) has connecting electrode (12) No. two.
4. The novel limit switch assembly of claim 3, wherein: the first connecting electrode (11) corresponds to the second connecting electrode (12), and the first connecting electrode (11) is electrically connected with the second connecting electrode (12).
5. The novel limit switch assembly of claim 3, wherein: an inner groove (13) is formed in the bottom of the fixing plate (10), a sliding plate (14) is connected to the inner portion of the inner groove (13) in a sliding mode, the bottom of the sliding plate (14) is fixedly connected with a first connecting electrode (11), a buffer spring (15) is fixedly mounted on the upper surface of the sliding plate (14), and the upper end of the buffer spring (15) is fixedly connected with the inner edge of the inner groove (13).
6. The novel limit switch assembly of a medium wave broadcasting transmitter of claim 1, wherein: the output end of the control module (4) is connected with the second connecting electrode (12) and the driving motor (17), and the input end of the control module (4) is connected with the first connecting electrode (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220365942.XU CN216851945U (en) | 2022-02-23 | 2022-02-23 | Novel limit switch combination device of medium wave broadcast transmitter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220365942.XU CN216851945U (en) | 2022-02-23 | 2022-02-23 | Novel limit switch combination device of medium wave broadcast transmitter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216851945U true CN216851945U (en) | 2022-06-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220365942.XU Active CN216851945U (en) | 2022-02-23 | 2022-02-23 | Novel limit switch combination device of medium wave broadcast transmitter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216851945U (en) |
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- 2022-02-23 CN CN202220365942.XU patent/CN216851945U/en active Active
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