WO2018133298A1

WO2018133298A1 - Frequency modulation device for microwave frequency converter and frequency modulation method therefor

Info

Publication number: WO2018133298A1
Application number: PCT/CN2017/087758
Authority: WO
Inventors: 陈进; 刘俊杰; 潘雄广
Original assignee: 华讯方舟科技有限公司; 华讯方舟科技（湖北）有限公司
Priority date: 2017-01-18
Filing date: 2017-06-09
Publication date: 2018-07-26
Also published as: CN106713198B; CN106713198A

Abstract

Disclosed are a frequency modulation device for a microwave frequency converter, and a frequency modulation method therefor. The frequency modulation device for a microwave frequency converter comprises a frequency modulation member (10), a sleeve (20) and a fastener (30), wherein the frequency modulation member (10) comprises a frequency modulation screw lock cylinder (11), with a lock cylinder face (111) being provided at a front end portion of the frequency modulation screw lock cylinder (11); the sleeve (20) is sleeved on the outside of the frequency modulation screw lock cylinder (11); an end portion of the sleeve (20), close to the lock cylinder face (111), is provided with a sleeve face (21); and the fastener (30) is connected with the sleeve (20), with the sleeve (20) being locked firmly and being connected to the frequency modulation screw lock cylinder (11), such that a frequency adjustment interval is formed between the sleeve face (21) and the lock cylinder face (111). When working, the frequency modulation device for a microwave frequency converter is capable of accurately positioning and automatically fixing a frequency modulation screw (40) in a frequency modulation range required by a product, so as to prevent blind adjustment during the process of manually carrying out instrument test adjustments, thus greatly reducing the labour costs, product damage and rejection rate, and further having a fool-proofing effect.

Description

Microwave frequency converter frequency modulation device and frequency modulation method thereof

[0001] The present invention relates to the technical field of microwave frequency converter production equipment, and in particular to a microwave frequency converter frequency modulation apparatus and a frequency modulation method thereof.

Background technique

[0002] With the development of economics and digital communication technology, a single digital standard definition television (SDTV) is far from meeting the requirements of the modern era, and digital high definition television (HDTV) and data service information (including exchange of information, video on demand, Distance education, stock market, telemedicine, telemarketing, data broadcasting and Internet access services are inevitable to replace single SDTV, which is the current trend. Digital High Definition Television (HDTV) signal and data service information is encoded, multiplexed, modulated, combined, and then upconverted to microwave frequency and power amplified by a microwave digital television transmission transmitting device, and finally through a microwave transmitting antenna. Wireless transmission, covering individual mobile users and home fixed user areas, to achieve the purpose of transmitting microwave digital signals, and microwave inverter is an important core part of microwave digital TV transmission and transmission equipment, its indicators will affect the entire transmission system. index. However, in the current situation, the improvement of production efficiency is imminent, and there is a certain obstacle to the improvement of production efficiency in the production process.

technical problem

[0003] An object of the present invention is to provide a microwave frequency converter frequency modulation apparatus and a frequency modulation method thereof, which aim to solve the technical problem of low frequency modulation efficiency of a prior art microwave frequency converter in a production process.

Problem solution

Technical solution

[0004] In order to achieve the above object, the technical solution of the present invention is: a microwave frequency converter frequency modulation device, comprising a frequency modulation component, a sleeve and a fastener, the frequency modulation component comprising a frequency modulation screw lock head, the frequency modulation screw lock head a front end portion is provided with a lock surface, the sleeve is sleeved outside the frequency adjustment screw lock head, and a sleeve surface is disposed at an end of the sleeve near the lock surface, the fastener is A sleeve is coupled and the sleeve is lockingly coupled to the frequency adjustment screw lock to form a frequency adjustment spacing between the sleeve face and the lock face. [0005] Preferably, the side of the frequency modulation screw lock is provided with a scale line for indicating the length of the frequency adjustment interval.

[0006] Preferably, the side of the sleeve is provided with a fastening hole, the fastener penetrates the fastening hole and is fitted with the fastening hole, and the end of the fastener Pressing against the side of the FM screw lock.

[0007] Preferably, the frequency adjustment component further includes a limiting platform, and the limiting platform is disposed at a rear end portion of the frequency adjusting screw lock for limiting the sleeve from the rear of the frequency adjusting screw The end is prolapsed.

[0008] Preferably, the frequency adjustment component further includes a handle, the handle is connected to the limit station, and the limit station is located between the handle and the frequency adjustment screw lock .

[0009] Preferably, the handle and the limit table are integrally formed with the frequency adjustment screw lock.

[0010] Preferably, the handle and the limit stop have a cylindrical structure.

[0011] Preferably, the outer diameter of the handle is larger than the outer diameter of the limit table.

[0012] Preferably, the outer surface of the handle is provided with an anti-slip pattern.

[0013] Preferably, the handle is a rubber hand grip.

[0014] Preferably, the outer surface of the handle is sleeved with a rubber sleeve.

[0015] Preferably, the fastening hole is a threaded hole, and the fastener is a bolt, a screw or a screw.

[0016] Preferably, the frequency conversion screw lock has a polygonal cross section.

[0017] Preferably, the polygonal shape is a hexagonal shape or an octagonal shape.

[0018] Advantageous Effects of the Invention: The microwave frequency converter frequency modulation device of the present invention uses the 吋, the FM screw lock of the frequency modulation component is sleeved into the frequency adjustment screw, and then the frequency adjustment screw is locked into the compartment of the microwave frequency converter, when the frequency adjustment screw After sinking into the compartment, the sleeve and the FM screw lock sink with the sinking of the FM screw, and until the sleeve surface coincides with the partition surface of the compartment, this 吋, FM screw lock and FM screw It will stop sinking, and the position where the FM screw sinks is the desired frequency position within the specified frequency range, so that it can accurately locate and automatically fix the FM screw to the frequency range required by the product. After the instrument test adjustment, it will not be blindly adjusted, which greatly reduces the labor cost and reduces the damage and scrap rate of the product. Moreover, it does not need to manually pay attention to the position where the FM screw sinks, which plays a good role in preventing the fool.

[0019] Another technical solution of the present invention is: A microwave frequency converter frequency modulation method, comprising the following steps:

[0020] S1: providing a frequency modulation component with a frequency adjustment screw lock; [0021] S2: setting a front end portion of the frequency adjustment screw lock to a lock surface;

[0022] S3: providing a sleeve, the sleeve is sleeved outside the frequency adjustment screw lock;

[0023] S4: setting the end of the sleeve close to the lock surface as a sleeve surface;

[0024] S5: providing a fastener, the fastener is coupled to the sleeve and the sleeve is tightly coupled to the frequency adjustment screw lock to make the sleeve face and the lock Forming a frequency adjustment interval between the head faces;

[0025] S6: locking the frequency adjustment screw into the compartment by adjusting the pitch to the adjustment frequency.

Advantageous effects of the invention

Beneficial effect

[0026] The microwave frequency converter frequency modulation method of the invention can accurately locate and automatically fix the frequency modulation screw within the frequency modulation range required by the product, and will not blindly adjust after manual instrument test adjustment, thereby greatly reducing the labor cost and It reduces the damage and scrap rate of the product; Moreover, it does not need to manually pay attention to the position where the FM screw sinks, which plays a good role in preventing the fool.

Brief description of the drawing

DRAWINGS

1 is a schematic structural diagram of a frequency modulation device for a microwave frequency converter according to an embodiment of the present invention.

2 is a schematic exploded view showing the structure of a frequency modulation device for a microwave frequency converter according to an embodiment of the present invention.

3 is a schematic structural diagram of a first use state of a frequency modulation device for a microwave frequency converter according to an embodiment of the present invention;

4 is a schematic structural diagram of a second use state of a frequency modulation device for a microwave frequency converter according to an embodiment of the present invention.

5 is a schematic structural diagram of a third use state of a frequency modulation device for a microwave frequency converter according to an embodiment of the present invention.

[0032] The reference numerals include:

[0033] 1 ₀ _ FM 11 - FM screw lock 12 - limit table

[0034] 13_Hand grip 20- _Sleeve 21 - - sleeve face

[0035] 22_ fastening hole 30--fastener 40-one frequency adjustment screw

[0036] 50_ compartment 51 - - compartment surface 111 - _ lock face. Embodiments of the invention

The embodiments of the present invention are described in detail below, and the examples of the embodiments are illustrated in the drawings, wherein the same or similar reference numerals are used to refer to the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings 1 to 5 are intended to be illustrative of the invention and are not to be construed as limiting.

[0038] In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "back", "left", "right", "vertical" The orientation or positional relationship of the indications of "directly", "horizontal", "top", "bottom", "inside", "outside", etc. is based on the orientation or positional relationship shown in the drawings, for convenience of description of the present invention and simplified description. It is not intended to be a limitation or limitation of the invention.

In addition, the terms "first" and "second" are used for descriptive purposes only, and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, features defining "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, the meaning of "plurality" is two or more, unless specifically defined otherwise.

[0040] In the present invention, the terms "installation", "connected", "connected", "fixed" and the like should be understood broadly, and may be, for example, a fixed connection or a Removable connection, or integrated; can be mechanical connection or electrical connection; it can be directly connected or indirectly connected through an intermediate medium, which can be the internal connection of two elements or the interaction of two elements. The meaning of the above terms in the present invention can be understood by those skilled in the art on a case-by-case basis.

[0041] As shown in FIG. 1 to FIG. 5, a microwave frequency converter frequency modulation device according to an embodiment of the present invention is mainly used for frequency modulation in a microwave frequency converter production process, wherein the microwave frequency converter includes a compartment 50, a compartment. The function of the 50 is to isolate the product signal interference of the microwave product, and the upper end portion of the compartment 50 is provided with the compartment surface 51. Then, the microwave frequency converter frequency modulation device of the embodiment reduces the frequency adjustment screw 40 into the compartment 50 and adjusts the frequency modulation. The distance that the screw 40 sinks into the compartment 50 is the desired frequency value within the specified frequency range. The frequency modulation device 10 includes a frequency modulation component 10, a sleeve 20 and a fastener 30, the frequency modulation component 10 includes a frequency adjustment screw lock head 11, and a front end portion of the frequency adjustment screw lock 11 is provided with a lock surface 111. The sleeve 20 is sleeved on Outside the frequency-modulated screw lock 11 , a sleeve surface 21 is disposed at an end of the sleeve 20 adjacent to the lock surface 111 , and the fastener 30 is coupled to the sleeve 20 and the sleeve 20 is tightly coupled to the frequency adjustment screw lock 11 to form a frequency adjustment interval 11 between the sleeve surface 21 and the lock surface 111.

[0042] Specifically, the microwave frequency converter frequency modulation device of the embodiment of the present invention uses the 吋, the frequency adjustment screw lock _U of the frequency modulation component 10 is inserted into the frequency adjustment screw 40, and then the frequency adjustment screw 40 is locked into the compartment of the microwave frequency converter 50. Inside, when the frequency adjustment screw 40 sinks into the compartment 50, the sleeve 20 and the frequency adjustment screw lock 11 sink with the sinking of the frequency adjustment screw 40, and until the sleeve surface 21 is spaced from the compartment 50. The surface overlaps, and the frequency adjustment screw lock 11 and the frequency adjustment screw 40 stop sinking, and the position where the frequency adjustment screw 40 sinks is the desired frequency position within the specified frequency range, thereby enabling accurate positioning and Automatically adjust the frequency adjustment screw 40 within the frequency range required by the product. After manual instrument test adjustment, it will not be blindly adjusted, which greatly reduces the labor cost and reduces the damage and scrap rate of the product. Moreover, there is no need to manually pay attention to the frequency modulation. The screw 40 is sunk into the position, which plays a good role of preventing fools. It avoids the problem that the frequency of the screw 40 is too deep to crush the ceramic oscillator on the PCBA and cause the PCBA board to be scrapped; 40 FM sunk screw depth too deep cause subsequent debugging process of manual debugging too long, waste and reduce productivity problems among inches.

In the embodiment, the side portion of the frequency adjustment screw lock 11 is provided with a scale line (not shown) for indicating the length of the frequency adjustment interval H. Specifically, after the sleeve 20 is sleeved into the outer casing of the frequency adjusting screw lock 11, the sleeve 20 can be moved to slide relative to the frequency adjusting screw lock 11, by aligning the sleeve surface 21 of the sleeve 20 with the scale line and The appropriate value is selected, and the sleeve 20 is lockedly connected to the frequency adjustment screw lock 11 by the fastener 30. Thus, the specific setting of the frequency adjustment interval H between the sleeve surface 21 and the lock surface 111 is set. Value.

[0044] In the embodiment, the side of the sleeve 20 is provided with a fastening hole 22, and the fastening hole 30 is inserted into the fastening hole 22 to be coupled with the fastening hole 22, and The end of the fastener 30 is pressed against the side of the FM screw lock 40. Specifically, the fastening hole 22 is disposed on the one hand to achieve a tight fit with the fastener 30, and on the other hand, to quickly position the mounting fastener 30, that is, when the sleeve 20 and the FM screw lock 11 are completed. After the relative position between the fasteners 30, the fastener 30 is threaded through the fastening hole 22 and locked, so that assembly is achieved, which is quick and convenient.

[0045] Further, in this embodiment, the fastening hole 22 is a threaded hole, and the fastener 30 is a bolt or a screw. Or a screw. It is easy to assemble by bolts, screws or screws and threaded holes. By rotating the bolts, screws or screws, the ends of the bolts, screws or screws can be pressed against the side of the FM screw lock 11, which is convenient and practical. .

[0046] In the embodiment, the frequency adjustment component 10 further includes a limiting platform 12, and the limiting platform 12 is disposed at a rear end portion of the frequency adjusting screw lock 11 for limiting the sleeve 20 from the The rear end portion of the frequency adjustment screw lock 11 is disengaged. Specifically, the setting of the limiting table 12 forms a limiting structure for adjusting the sleeve 20 upward with respect to the frequency adjusting screw lock 11 at the rear end portion of the frequency adjusting screw lock 11, so that the locking screw from the frequency adjusting screw does not appear. When the front end portion of the 11 is inserted into the cymbal, the phenomenon of coming out from the rear end portion of the frequency adjustment screw lock 11 occurs, and the stability and reliability of assembly between the components and the components are ensured.

[0047] In this embodiment, the frequency adjustment component 10 further includes a handle 13 that is connected to the limiter 12, and the limiter 12 is located at the handle 13 The frequency modulation screw locks 11 are between. Specifically, the setting of the grip 13 is convenient for the worker to hold, thereby facilitating the application of a force to the FM screw lock 11 to control the FM screw lock 11 so that the FM screw 40 sinks into the compartment 50, and the grip 13 is held. The outer diameter is larger than the outer diameter of the limiting table 12 and the frequency adjusting screw lock 11, and the outer diameter is large, which can further enhance the grip comfort of the worker.

In this embodiment, the handle 13 and the limit table 12 are integrally formed with the frequency adjustment screw lock 11.

Specifically, the integrally formed design facilitates mass production of the frequency modulation member 10, improves production efficiency and reduces production cost, and produces a product with good consistency and high quality.

[0049] In the embodiment, the handle 13 and the limit table 12 have a cylindrical structure. Specifically, the handle 13 and the limit table 12 having a cylindrical structure are easy to process, for example, if the metal material is manufactured, it can be mass-produced by a lathe; if it is made of a plastic material, the mold cavity is a regular circle. Easy to design.

In this embodiment, the outer diameter of the handle 13 is larger than the outer diameter of the limit table 12. Specifically, the handle

13 is used for the staff to grasp, so that the larger outer diameter of the handle 13 can be facilitated by the hands of the staff, thereby facilitating the frequency modulation operation.

[0051] In this embodiment, the outer surface of the handle 13 is provided with an anti-slip pattern. Specifically, the design of the anti-slip pattern can prevent the external force of the palm of the worker from applying a slip to the grip 13 and further improve the reliability and stability of the grip 13 of the operator. [0052] In this embodiment, the handle 13 is a rubber hand grip. Specifically, the grip 13 made of a rubber material has a low hardness, and it is not easy to cause damage to the palm of the worker due to the reaction force of the grip 13, and the grip of the grip 13 is also better.

[0053] In other embodiments, the outer surface of the handle 13 is sleeved with a rubber sleeve. Specifically, the function of the rubber sleeve is to enable the hand of the worker to hold the handle 13 吋, and the palm is in contact with the rubber sleeve having a lower hardness, and it is not easy to cause damage to the palm of the worker due to the reaction force of the handle 13; The grip of the grip 13 is also better.

In the embodiment, the cross section of the frequency adjustment screw lock 11 has a polygonal shape. Specifically, the frequency-modulated screw lock head 11 of the polygonal cross-section is adapted to the frequency-adjusting screw 40 having a polygonal cross-section head. The frequency-adjusting screw lock 11 of the structure is not easy to slide during the rotating operation, thereby ensuring the stability of the work and It lasts longer. Preferably, the polygonal shape is a hexagonal shape or an octagonal shape.

[0055] The embodiment of the invention further provides a frequency modulation method for a microwave frequency converter, comprising the following steps:

[0056] S1: providing a frequency modulation member 10 with a frequency adjustment screw lock 11;

[0057] S2: setting the front end portion of the frequency adjustment screw lock 11 as a lock surface 111;

[0058] S3: providing a sleeve 20, the sleeve 20 is sleeved outside the frequency adjustment screw lock 11;

[0059] S4: setting the end of the sleeve 20 close to the lock surface 111 as a sleeve surface 21;

[0060] S5: providing a fastener 30, the fastener 30 is coupled to the sleeve 20 and the sleeve 20 is tightly coupled to the frequency adjustment screw lock 11 to make the sleeve Forming a frequency adjustment interval H between the surface 21 and the lock surface 111;

[0061] S6: The frequency adjustment screw 40 is locked into the compartment 50 by adjusting the pitch H by the frequency as the adjustment frequency.

[0062] The microwave frequency converter frequency modulation method of the embodiment of the invention can accurately locate and automatically adjust the frequency adjustment screw

40 In the frequency range required for fixed products, it will not be blindly adjusted after manual instrument test adjustment, which greatly reduces labor costs and reduces product damage and scrap rate. Moreover, there is no need to manually pay attention to the FM screw 40 sinking. Position, play a good defense effect.

The microwave frequency modulation method of the embodiment of the present invention can be implemented by the microwave frequency converter frequency modulation apparatus of the above embodiment.

[0064] In summary, the present invention has the advantages of simplifying the difficulty of manual work, improving productivity, reducing cost, and scrapping rate, so that it can improve the performance in the prior art without any performance in the prior art. Real Use sex to become a very practical product.

The above is only the preferred embodiment of the present invention, and is not intended to limit the present invention. Any modifications, equivalent substitutions or improvements made within the spirit and principles of the present invention should be included in the protection of the present invention. Within the scope.

Claims

Claim

Micro frequency frequency converter frequency modulation device, comprising: frequency modulation component, sleeve and fastener

The frequency modulation component includes a frequency adjustment screw lock head, and a front end portion of the frequency adjustment screw lock head is provided with a lock surface, the sleeve is sleeved outside the frequency adjustment screw lock head, and the sleeve is close to the lock surface The end portion is provided with a sleeve surface, the fastener is connected with the sleeve, and the sleeve is tightly coupled to the frequency adjustment screw lock head to make the sleeve surface and the lock surface The frequency adjustment interval is formed. The microwave frequency converter frequency modulation apparatus according to claim 1, wherein a side portion of the frequency modulation screw lock is provided with a scale line for indicating a length of the frequency adjustment pitch. The frequency modulation device for a microwave frequency converter according to claim 1, wherein a side of the sleeve is provided with a fastening hole, and the fastener is inserted through the fastening hole to fit the fastening hole. Connected, and the ends of the fasteners are pressed against the sides of the FM screw lock.

The frequency modulation device of the microwave frequency converter according to claim 1, wherein the frequency adjusting component further comprises a limiting station, wherein the limiting platform is disposed at a rear end portion of the frequency adjusting screw lock for limiting the The sleeve is disengaged from the rear end of the FM screw lock.

The frequency modulation device of the microwave frequency converter according to claim 4, wherein the frequency adjustment component further comprises a handle, the handle is connected to the limit station, and the limit station is located in the hand Between the handle and the FM screw lock.

The microwave frequency converter frequency modulation apparatus according to claim 5, wherein the hand grip and the limit table are integrally formed with the frequency adjustment screw lock.

The microwave frequency converter frequency modulation apparatus according to claim 5, wherein the hand grip and the limit table each have a cylindrical structure.

The microwave frequency converter frequency modulation apparatus according to claim 7, wherein an outer diameter of the handle is larger than an outer diameter of the limit table.

The microwave frequency converter frequency modulation apparatus according to claim 5, wherein the outer surface of the handle is provided with an anti-slip pattern.

The microwave frequency converter frequency modulation apparatus according to claim 5, wherein the hand grip is a rubber hand grip. [Claim 11] The microwave frequency converter frequency modulation apparatus according to claim 5, wherein the outer surface of the handle is sleeved with a rubber sleeve.

[Claim 12] The microwave frequency converter frequency modulation apparatus according to claim 3, wherein the fastening hole is a threaded hole, and the fastener is a bolt, a screw or a screw.

The microwave frequency converter frequency modulation apparatus according to any one of claims 1 to 12, wherein the frequency modulation screw lock has a polygonal cross section.

The microwave frequency converter frequency modulation apparatus according to claim 13, wherein the polygonal shape is a hexagonal shape or an octagonal shape.

[Claim 15] A method for frequency modulation of a microwave frequency converter, comprising the steps of:

S1: providing a frequency modulation component with a frequency adjustment screw lock;

S2: setting a front end portion of the frequency adjustment screw lock to a lock surface;

S3: providing a sleeve, the sleeve is sleeved outside the frequency adjustment screw lock;

S4: setting an end of the sleeve close to the lock surface as a sleeve surface;

S5: providing a fastener, the fastener is coupled to the sleeve and the sleeve is tightly coupled to the frequency adjustment screw lock to be between the sleeve face and the lock face Forming a frequency adjustment interval;

S6: The frequency adjustment screw is locked into the compartment by adjusting the frequency to the adjustment frequency.