CN210040487U

CN210040487U - Small low-power low-intermodulation load

Info

Publication number: CN210040487U
Application number: CN201921285011.3U
Authority: CN
Inventors: 赵社利
Original assignee: NANJING ANERTAI COMMUNICATION SCIENCE AND TECHNOLOGY Co Ltd
Current assignee: NANJING ANERTAI COMMUNICATION SCIENCE AND TECHNOLOGY Co Ltd
Priority date: 2019-08-09
Filing date: 2019-08-09
Publication date: 2020-02-07
Anticipated expiration: 2029-08-09

Abstract

The utility model discloses a small low-power low intermodulation load, which belongs to the field of low intermodulation loads, and comprises a small-power low intermodulation load body, wherein the small-power low intermodulation load body comprises a shell, a fixed block, a connecting block, a stop block, a baffle plate, a supporting block, a fixed rod, a supporting rod and a connecting head, two sides of the shell are respectively fixedly connected with the left side of the fixed block and the right side of the connecting block, the left side of the fixed block is fixedly connected with the right side of the stop block, the right side of the connecting block is movably connected with the left side of the baffle plate, the right side of the baffle plate is movably connected with the left side of the supporting block, the end head is convenient to replace by arranging the fixed block, the bolt, the fixed rod and the connecting head, the small-power low intermodulation load is convenient to disassemble and assemble by arranging, the volume is small, the production cost is reduced, and the end is convenient to replace, thereby being beneficial to the use of people.

Description

Small low-power low-intermodulation load

Technical Field

The utility model relates to a low intermodulation load field, more specifically say, relate to a low intermodulation load of miniature miniwatt.

Background

With the development of microwave communication technology, people increasingly demand passive devices with wide frequency band and low intermodulation, wherein the low intermodulation load is more urgent due to wide application range and wide application range, the load is widely applied to a microwave system and is a single-port microwave network to replace a terminal to receive power at a certain circuit output port, the existing basic material forming the radio frequency microwave power load is a resistance type material, the resistance material is placed in radio frequency circuit structures with different wave bands through a certain process to form the load with corresponding frequency, because the resistance in the load is the synthesis of some metal oxides and contains impurities inside, when microwaves are input from the input end of the load, signals reflected back from the load can generate intermodulation distortion, the intermodulation distortion is composed of stray signals, the intermodulation distortion is generated due to the nonlinear factor of the resistance, the existing common low-power low intermodulation load structure is complex, the volume is large, the production cost is high, the end head is inconvenient to replace, and the use of people is not facilitated.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

To the problem that exists among the prior art, the utility model aims to provide a low intermodulation load of miniwatt possesses the advantage of the low intermodulation load of miniwatt convenient to use, and it is complicated to have solved the low intermodulation load structure of miniwatt, and the volume is great, and manufacturing cost is higher, and the inconvenient problem of end change.

2. Technical scheme

In order to solve the above problems, the utility model adopts the following technical proposal.

The utility model provides a low intermodulation load of miniature miniwatt, includes the low intermodulation load body of miniwatt, the low intermodulation load body of miniwatt includes casing, fixed block, connecting block, dog, baffle, supporting shoe, dead lever, bracing piece and connector, the both sides of casing respectively with the left side of fixed block and the right side fixed connection of connecting block, the left side of fixed block and the right side fixed connection of dog, the right side of connecting block and the left side swing joint of baffle, the right side of baffle and the left side swing joint of supporting shoe, the internal thread of fixed block is connected with the bolt, the right-hand member of bolt runs through fixed block and supporting shoe in proper order and extends to the outside of supporting shoe, the both sides of supporting shoe respectively with the left end of dead lever and the right-hand member fixed connection of bracing piece, the right-hand member and the connector fixed connection of dead lever, the, Fixed block and connecting block and extend to the inside of connecting block, through setting up fixed block, bolt, dead lever and connector, be convenient for change the end, through setting up bracing piece, fixed block and connecting block, be convenient for carry out the dismouting to the low intermodulation load of miniwatt, make the low intermodulation load of miniwatt simple structure, small, reduction in production cost, and the end is convenient for change, is favorable to people's use.

Preferably, the fixed surface of casing is connected with the fin, two are no less than to the quantity of fin, through setting up the fin, can dispel the heat to the low intermodulation load of miniwatt.

Preferably, the jack has been seted up on the surface of connecting block, the surface of bracing piece and the inner wall threaded connection of jack make the bracing piece be convenient for fixed with the connecting block through setting up the jack, make the bracing piece be convenient for fixed with the connecting block through setting up the jack.

Preferably, the surface of the stop block is provided with a through hole, the through hole is matched with the support rod, and the through hole is arranged to facilitate connection of the thread on the surface of the support rod and the stop block.

Preferably, the diameter of the stop and the diameter of the baffle are both 90mm, and the length of the low-power low-intermodulation load body is 188 mm.

Preferably, the radiating fins are steel-aluminum composite fin-shaped fins, and radiating effect is improved by arranging the radiating fins of the steel-aluminum composite fin-shaped fins.

Preferably, the surface of casing is provided with the electromagnetic shield layer, the electromagnetic shield layer is ferrite material and makes, through setting up the electromagnetic shield layer, avoids electromagnetic interference.

Preferably, the surface of connector is provided with the external screw thread, the connector is circular, and through the connector that sets up the external screw thread, it is fixed to make the connector be convenient for to pass through threaded connection with the device.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages of:

(1) this scheme is through setting up fixed block, bolt, dead lever and connector, is convenient for change the end, through setting up bracing piece, fixed block and connecting block, is convenient for carry out the dismouting to the low intermodulation load of miniwatt, makes the low intermodulation load simple structure of miniwatt, and is small, reduction in production cost, and the end is convenient for change, is favorable to people's use.

(2) This scheme can dispel the heat to the low intermodulation load of miniwatt through setting up the fin.

(3) This scheme makes the bracing piece be convenient for fixed with the connecting block through setting up the jack.

(4) This scheme is through setting up the through-hole, and the screw thread on the bracing piece surface of being convenient for is connected with the dog.

(5) This scheme is through setting up the fin of the compound fin-shaped fin of steel aluminium, improves the radiating effect.

(6) This scheme avoids electromagnetic interference through setting up the electromagnetic shield layer.

(7) This scheme makes the connector be convenient for pass through threaded connection with the device and fix through the connector that sets up the external screw thread.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the connection of the structural support rods of the present invention;

fig. 3 is a left side view of the structure fixing block of the present invention;

fig. 4 is the right-side view schematic diagram of the structural connecting block of the present invention.

The reference numbers in the figures illustrate:

1. a housing; 2. a fixed block; 3. connecting blocks; 4. a support block; 5. a bolt; 6. a connector; 7. a stopper; 8. a baffle plate; 9. an electromagnetic shielding layer; 10. a through hole; 11. a support bar; 12. a jack; 13. a low power low intermodulation load body; 14. fixing the rod; 15. and a heat sink.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", 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 simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, a small-sized low-power low-intermodulation load comprises a low-power low-intermodulation load body 13, wherein the low-power low-intermodulation load body 13 comprises a housing 1, a fixed block 2, a connecting block 3, a stop block 7, a baffle plate 8, a supporting block 4, a fixed rod 14, a supporting rod 11 and a connector 6, two sides of the housing 1 are respectively fixedly connected with the left side of the fixed block 2 and the right side of the connecting block 3, the left side of the fixed block 2 is fixedly connected with the right side of the stop block 7, the right side of the connecting block 3 is movably connected with the left side of the baffle plate 8, the right side of the baffle plate 8 is movably connected with the left side of the supporting block 4, a bolt 5 is connected with the inner thread of the fixed block 2, the right end of the bolt 5 sequentially penetrates through the fixed block 2 and the supporting block 4 and extends to the outside of the supporting block 4, the left end of the support rod 11 penetrates through the shell 1, the fixing block 2 and the connecting block 3 in sequence and extends to the inside of the connecting block 3.

Further, the surface of the shell 1 is fixedly connected with cooling fins 15, and the number of the cooling fins 15 is not less than two.

Furthermore, the surface of the connecting block 3 is provided with a jack 12, and the surface of the support rod 11 is in threaded connection with the inner wall of the jack 12.

Furthermore, the surface of the stop block 7 is provided with a through hole 10, and the through hole 10 is matched with the support rod 11.

Further, the diameter of the stop 7 and the baffle 8 are both 90mm, and the length of the low-power low-intermodulation load body 13 is 188 mm.

Further, the heat sink 15 is a steel-aluminum composite fin.

Further, the surface of the casing 1 is provided with an electromagnetic shielding layer 9, and the electromagnetic shielding layer 9 is made of ferrite material.

Further, the surface of the connector 6 is provided with external threads, and the connector 6 is circular.

The working principle is as follows: through bolt 5, install supporting shoe 4 on fixed block 2, then through bracing piece 11 on the supporting shoe 4, make fixed block 2, casing 1, connecting block 3 and supporting shoe 4 connect fixedly, make the low intermodulation load of miniwatt simple structure, small, reduction in production cost, and the end is convenient for change, and it is complicated to have solved the low intermodulation load of miniwatt structure, and the volume is great, and manufacturing cost is higher, and the inconvenient problem of end change.

The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.

Claims

1. A small low-power low intermodulation load comprising a low-power low intermodulation load body (13), characterized in that: low intermodulation load body of miniwatt (13) is including casing (1), fixed block (2), connecting block (3), dog (7), baffle (8), supporting shoe (4), dead lever (14), bracing piece (11) and connector (6), the both sides of casing (1) respectively with the left side of fixed block (2) and the right side fixed connection of connecting block (3), the left side of fixed block (2) and the right side fixed connection of dog (7), the right side of connecting block (3) and the left side swing joint of baffle (8), the right side of baffle (8) and the left side swing joint of supporting shoe (4), the internal thread of fixed block (2) is connected with bolt (5), the right-hand member of bolt (5) runs through fixed block (2) and supporting shoe (4) in proper order and extends to the outside of supporting shoe (4), the both sides of supporting shoe (4) respectively with the left end of dead lever (14) and the right-hand member fixed connection of bracing piece (11) The right-hand member and connector (6) fixed connection of dead lever (14), the left end of bracing piece (11) runs through casing (1), fixed block (2) and connecting block (3) in proper order and extends to the inside of connecting block (3).

2. A small, low-power, low intermodulation load according to claim 1, characterized in that: the surface of the shell (1) is fixedly connected with cooling fins (15), and the number of the cooling fins (15) is not less than two.

3. A small, low-power, low intermodulation load according to claim 1, characterized in that: the surface of the connecting block (3) is provided with a jack (12), and the surface of the supporting rod (11) is in threaded connection with the inner wall of the jack (12).

4. A small, low-power, low intermodulation load according to claim 1, characterized in that: the surface of the stop block (7) is provided with a through hole (10), and the through hole (10) is matched with the support rod (11).

5. A small, low-power, low intermodulation load according to claim 1, characterized in that: the diameters of the stop block (7) and the baffle plate (8) are both 90mm, and the length of the low-power low-intermodulation load body (13) is 188 mm.

6. A small, low-power, low intermodulation load according to claim 2, characterized in that: the radiating fins (15) are steel-aluminum composite fin-shaped fins.

7. A small, low-power, low intermodulation load according to claim 1, characterized in that: the surface of casing (1) is provided with electromagnetic shield layer (9), electromagnetic shield layer (9) are ferrite material and make.

8. A small, low-power, low intermodulation load according to claim 1, characterized in that: the surface of connector (6) is provided with the external screw thread, connector (6) are circular.