CN210499921U - Fixed frock is used in test of high frequency microwave device - Google Patents
Fixed frock is used in test of high frequency microwave device Download PDFInfo
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- CN210499921U CN210499921U CN201921376604.0U CN201921376604U CN210499921U CN 210499921 U CN210499921 U CN 210499921U CN 201921376604 U CN201921376604 U CN 201921376604U CN 210499921 U CN210499921 U CN 210499921U
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- clamping seat
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- pressing block
- microwave device
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Abstract
The utility model relates to a microwave device testing tool technical field, concretely relates to high frequency microwave device test is with fixed frock. Including PMKD, lower grip slipper and last grip slipper, the grip slipper integral type sets up in the PMKD top down, and the top of grip slipper is equipped with first device recess and fastening blind hole under, and the both sides of first device recess are equipped with the terminal groove, are equipped with second device recess and activity groove in the bottom of last grip slipper, are equipped with movable briquetting in the activity inslot, still are equipped with elevating system in last grip slipper, and elevating system is used for driving movable briquetting and goes up and down at the activity inslot, goes up the grip slipper lid and closes under on the grip slipper. The utility model discloses can make the microwave device remain throughout with the microstrip line and compress tightly the state in the testing process, guarantee stability, accuracy and the nondestructiveness of microwave device test.
Description
Technical Field
The utility model relates to a microwave device testing tool technical field, concretely relates to high frequency microwave device test is with fixed frock.
Background
The high frequency microwave device can be manufactured by using semiconductor materials, and the high frequency microwave device needs to be tested in order to verify the direct current and microwave characteristics of the high frequency microwave device. In the test process, a test fixture is needed, and the input and output terminals of the device are connected with the microstrip line of the test fixture, so that direct current and microwave tests are realized. Several important test indexes of the device test are stability, accuracy and non-destructiveness, and the non-destructiveness means that the device cannot be damaged in the test process. If the input and output terminals are not tightly connected with the microstrip line, the device is easy to work unstably, the test parameters are inaccurate, and even the device is burnt out due to self-excitation.
In the prior art, two methods are often adopted to realize the connection between the input and output terminals of the high-frequency microwave device and the microstrip line. One method is soldering tin, after the method is used for testing, a soldering iron is needed to melt soldering tin to take down the device, the operation is very inconvenient, if the device needs to be tested for many times, the reliability of the microstrip line of the testing clamp is reduced due to frequent use of the soldering iron, and mechanical and thermal damages are caused to the terminal of the device. The other method is to bend the terminal towards the microstrip line to realize hard contact, which easily causes mechanical damage to the device terminal and causes the contact between the terminal and the microstrip line to be less and less tight along with the continuous release of bending stress.
SUMMERY OF THE UTILITY MODEL
The utility model provides a high frequency microwave device test is with fixed frock, during its application, can make the microwave device remain throughout with the microstrip line and compress tightly the state in the testing process, guarantee stability, accuracy and the nondestructiveness of microwave device test.
The utility model discloses the technical scheme who adopts does:
a fixing tool for testing a high-frequency microwave device comprises a fixed base plate, a lower clamping seat and an upper clamping seat, wherein the lower clamping seat is integrally arranged at the top of the fixed base plate, an installation through hole is formed in the fixed base plate, an installation bolt for installing the fixed base plate is arranged in the installation through hole, a first device groove and a fastening blind hole are formed in the top of the lower clamping seat, terminal grooves are formed in two sides of the first device groove, a second device groove and a movable groove are formed in the bottom of the upper clamping seat, the movable groove is located on two sides of the second device groove, a fastening through hole vertically penetrating through the upper clamping seat is formed in the upper clamping seat, a movable pressing block is arranged in the movable groove, a lifting mechanism is further arranged in the upper clamping seat, the bottom end of the lifting mechanism is in butt joint with the movable pressing block and is used for driving the movable pressing block to lift in the movable groove, the upper clamping, the first device groove and the second device groove are opposite to each other, the movable pressing block and the terminal groove are opposite to each other, and fastening bolts are screwed in the fastening blind holes and the fastening through holes.
Preferably as above-mentioned technical scheme, elevating system includes rotatory bolt and bearing, the nut of rotatory bolt is located the top of grip slipper, the vertical grip slipper that inserts of screw rod of rotatory bolt, the interlude of rotatory bolt screw rod is the protrusion piece, the diameter of protrusion piece is greater than the diameter at rotatory bolt screw rod both ends, the bearing is fixed to be located in the grip slipper, rotatory bolt carries out interference fit through the protrusion piece and the bearing of screw rod, it is rotatory to make rotatory bolt inject at fixed position, the screw rod bottom of rotatory bolt sets up the external screw thread, and it goes up and down to insert the activity inslot and carry out screw-thread fit with the activity briquetting and drive activity briquetting.
Preferably, the movable groove and the movable pressing block are designed in a quadrangular prism shape, the top of the movable pressing block is provided with a lifting blind hole, an internal thread is arranged in the lifting blind hole, the bottom of a screw rod of a rotary bolt is screwed into the lifting blind hole, and the movable pressing block is driven to lift through the meshing of the external thread and the internal thread.
Preferably, in the above aspect, the size of the movable briquette is matched with the space in the movable groove, and the wall of the movable groove is coated with a lubricating oil.
Preferably, the external thread at the bottom of the screw rod of the rotary bolt is an M5 type fine thread.
Preferably, in the above technical solution, the bottom surface of the movable pressing block is a flat surface.
Preferably, the movable pressing block is made of polytetrafluoroethylene materials.
Preferably, the lower clamping seat and the upper clamping seat are both made of heat dissipation metal materials.
The utility model has the advantages that:
the utility model discloses an installation bolt installs PMKD on test platform, put into the microwave device in the first device recess of grip slipper down, the input of microwave device, the terminal inslot is arranged in to output terminal, with the input of test fixture microstrip line and wave device, output terminal is connected, will go up the grip slipper lid and close under on the grip slipper, dock through fastening bolt, through the fixed microwave device of first device recess and second device recess, wherein first device recess, second device recess and terminal groove can match the design according to the shape of microwave device and terminal, after the grip slipper closes with the lower upper and lower lid of grip slipper, drive the input of microwave device through elevating system and descend, output terminal and test fixture junction press from both sides tightly, with the stability of guaranteeing the test of microwave device, accuracy and nondestructiveness.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic external structural view of the present invention;
FIG. 2 is a top view of the lower clamp holder and the stationary base plate;
FIG. 3 is a bottom view of the upper clamp holder;
FIG. 4 is a schematic structural view of a second device groove and a movable pressing block;
FIG. 5 is a schematic view of a lift mechanism;
FIG. 6 is a schematic view of a lifting blind hole structure.
In the figure: 1. fixing the bottom plate; 2. a lower clamping seat; 3. mounting a through hole; 4. installing a bolt; 5. a first device recess; 6. a terminal groove; 7. fastening the blind hole; 8. an upper clamping seat; 9. a second device recess; 10. a movable groove; 11. fastening through holes; 12. a movable pressing block; 13. rotating the bolt; 14. a bearing; 15. lifting blind holes; 16. and fastening the bolt.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. Specific structural and functional details disclosed herein are merely illustrative of example embodiments of the invention. The present invention may, however, be embodied in many alternate forms and should not be construed as limited to the embodiments set forth herein.
It should be understood that the terms first, second, etc. are used merely for distinguishing between descriptions and are not intended to indicate or imply relative importance. Although the terms first, second, etc. may be used herein to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element from another. For example, a first element could be termed a second element, and, similarly, a second element could be termed a first element, without departing from the scope of example embodiments of the present invention.
It should be understood that the term "and/or" herein is merely one type of association relationship that describes an associated object, meaning that three relationships may exist, e.g., a and/or B may mean: a exists alone, B exists alone, and A and B exist at the same time, and the term "/and" is used herein to describe another association object relationship, which means that two relationships may exist, for example, A/and B, may mean: a alone, and both a and B alone, and further, the character "/" in this document generally means that the former and latter associated objects are in an "or" relationship.
It should be understood that in the description of the present invention, the terms "upper", "vertical", "inner", "outer", and the like, refer to the orientation or positional relationship that is conventionally used to place the product of the present invention, or that is conventionally understood by those skilled in the art, and are used merely to facilitate the description of the present invention and to simplify the description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered as limiting the present invention.
It will be understood that when an element is referred to as being "connected," "connected," or "coupled" to another element, it can be directly connected or coupled to the other element or intervening elements may be present. In contrast, when an element is referred to as being "directly adjacent" or "directly coupled" to another element, there are no intervening elements present. Other words used to describe the relationship between elements should be interpreted in a similar manner (e.g., "between … …" versus "directly between … …", "adjacent" versus "directly adjacent", etc.).
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," and "connected" are to be construed broadly, e.g., as meaning 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.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments of the invention. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises," "comprising," "includes," and/or "including," when used herein, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, numbers, steps, operations, elements, components, and/or groups thereof.
It should also be noted that, in some alternative implementations, the functions/acts noted may occur out of the order noted in the figures. For example, two figures shown in succession may, in fact, be executed substantially concurrently, or the figures may sometimes be executed in the reverse order, depending upon the functionality/acts involved.
In the following description, specific details are provided to facilitate a thorough understanding of example embodiments. However, it will be understood by those of ordinary skill in the art that the example embodiments may be practiced without these specific details. For example, systems may be shown in block diagrams in order not to obscure the examples in unnecessary detail. In other instances, well-known processes, structures and techniques may be shown without unnecessary detail in order to avoid obscuring example embodiments.
Example 1:
the embodiment provides a fixing tool for testing a high-frequency microwave device, as shown in fig. 1 to 4:
comprises a fixed bottom plate 1, a lower clamping seat 2 and an upper clamping seat 8, wherein the lower clamping seat 2 is integrally arranged at the top of the fixed bottom plate 1, a mounting through hole 3 is arranged on the fixed bottom plate 1, a mounting bolt 4 for mounting the fixed bottom plate 1 is arranged in the mounting through hole 3, a first device groove 5 and a fastening blind hole 7 are arranged at the top of the lower clamping seat 2, terminal grooves 6 are arranged at two sides of the first device groove 5, a second device groove 9 and a movable groove 10 are arranged at the bottom of the upper clamping seat 8, the movable groove 10 is arranged at two sides of the second device groove 9, a fastening through hole 11 vertically penetrating through the upper clamping seat 8 is arranged in the upper clamping seat 8, a movable pressing block 12 is arranged in the movable groove 10, a lifting mechanism is also arranged in the upper clamping seat 8, the bottom end of the lifting mechanism is butted with the movable pressing block 12 and is used for driving the movable pressing block 12 to lift in the movable groove 10, the upper, the fastening blind hole 7 and the fastening through hole 11 are opposite to each other, the first device groove 5 and the second device groove 9 are opposite to each other, the movable pressing block 12 and the terminal groove 6 are opposite to each other, and the fastening bolt 16 is screwed in the fastening blind hole 7 and the fastening through hole 11.
When the microwave testing device is specifically implemented, the fixed bottom plate 1 is arranged on a testing platform through the mounting bolt 4, a microwave device is placed in the first device groove 5 of the lower clamping seat 2, the input and output terminals of the microwave device are arranged in the terminal groove 6, the microstrip line of the testing clamp is connected with the input and output terminals of the microwave device, the upper clamping seat 8 is covered on the lower clamping seat 2, the microwave device is butted through the fastening bolt 16, the microwave device is fixed through the first device groove 5 and the second device groove 9, wherein the first device groove 5, the second device groove 9 and the terminal groove 6 can be designed in a matching mode according to the shapes of the microwave device and the terminals thereof, and after the upper clamping seat 8 and the lower clamping seat 2 are covered up and down, the movable pressing block 12 is driven by the lifting mechanism to descend to clamp the connection part of the input and output terminals of the microwave device and the microstrip line testing clamp so as to ensure the stability and the stability, Accuracy and non-loss.
Example 2:
as an optimization of the above embodiment, as shown in fig. 5, the lifting mechanism includes a rotating bolt 13 and a bearing 14, a nut of the rotating bolt 13 is located above the upper clamping seat 8, a screw of the rotating bolt 13 is vertically inserted into the upper clamping seat 8, an intermediate section of the screw of the rotating bolt 13 is a protruding block, a diameter of the protruding block is larger than diameters of other portions of the screw of the rotating bolt 13, the bearing 14 is fixedly disposed in the upper clamping seat 8, the rotating bolt 13 is in interference fit with the bearing 14 through the protruding block of the screw, so that the rotating bolt 13 is limited to rotate at a fixed position, an external thread is disposed at a bottom of the screw of the rotating bolt 13, and the rotating bolt is inserted into the movable groove 10 to be in thread fit with the movable pressing block 12 to. When the clamping device is used, a nut of the rotary bolt 13 is screwed to drive the screw to rotate, the external thread arranged at the bottom of the screw is in threaded fit with the movable pressing block 12 to drive the movable pressing block 12 to lift, meanwhile, the bearing 14 in the upper clamping seat 8 can assist the rotation of the rotary bolt 13, and the rotary bolt 13 is limited to rotate at a fixed position.
Example 3:
as an optimization of the above embodiment, as shown in fig. 6, the movable groove 10 and the movable pressing block 12 are both designed in a quadrangular prism shape, the top of the movable pressing block 12 is provided with a blind lifting hole 15, an internal thread is arranged in the blind lifting hole 15, the bottom of the screw of the rotary bolt 13 is screwed into the blind lifting hole 15, the movable pressing block 12 is driven to lift through the engagement of the external thread and the internal thread, the size of the movable pressing block 12 is matched with the space in the movable groove 10, and the groove wall of the movable groove 10 is coated with lubricating oil. The external thread at the bottom of the screw rod of the rotary bolt 13 is M5 type fine thread. When the adjustable pressure block lifting device is used, the quadrangular prism-shaped movable groove 10 can effectively limit the movable pressure block 12, when the rotary bolt 13 is screwed, the external thread at the bottom of the rotary bolt 13 is in threaded engagement with the internal thread of the lifting blind hole 15, and the movable groove 10 can limit the movable pressure block 12 to rotate, so that the movable pressure block 12 can only be lifted through the threaded engagement of the rotary bolt 13 and the lifting blind hole 15.
Example 4:
as an optimization of the above embodiment, the bottom surface of the movable pressing block 12 is a flat surface, so as to ensure the stability when the movable pressing block 12 presses the terminal and the microstrip line of the test fixture downward. The movable pressing block 12 is made of polytetrafluoroethylene materials, has enough hardness, and can play an effective insulating role to prevent the movable pressing block from being contacted with the terminal and the microstrip line to conduct electricity so as to cause inaccurate test parameters.
Example 5:
as an optimization of the above embodiment, the lower holder 2 and the upper holder 8 are both made of heat dissipation metal materials, and when the heat dissipation metal materials are applied, the heat dissipation metal materials can play a certain heat conduction role so as to conduct out part of heat generated during the microwave device test.
The present invention is not limited to the above-mentioned alternative embodiments, and various other products can be obtained by anyone under the teaching of the present invention. The above detailed description should not be taken as limiting the scope of the invention, which is defined in the following claims, and which can be used to interpret the claims.
Claims (8)
1. The utility model provides a test of high frequency microwave device is with fixed frock which characterized in that: the clamping device comprises a fixed base plate, a lower clamping seat and an upper clamping seat, wherein the lower clamping seat is integrally arranged at the top of the fixed base plate, a mounting through hole is formed in the fixed base plate, a mounting bolt for mounting the fixed base plate is arranged in the mounting through hole, a first device groove and a fastening blind hole are formed in the top of the lower clamping seat, terminal grooves are formed in two sides of the first device groove, a second device groove and a movable groove are formed in the bottom of the upper clamping seat, the movable groove is formed in two sides of the second device groove, a fastening through hole vertically penetrating through the upper clamping seat is formed in the upper clamping seat, a movable pressing block is arranged in the movable groove, a lifting mechanism is further arranged in the upper clamping seat, the bottom end of the lifting mechanism is butted with the movable pressing block and used for driving the movable pressing block to lift in the movable groove, the upper clamping seat covers the lower clamping seat, the fastening blind hole is opposite to, the movable pressing block is opposite to the terminal groove, and fastening bolts are screwed in the fastening blind holes and the fastening through holes.
2. The fixing tool for the test of the high-frequency microwave device according to claim 1, wherein: elevating system includes rotatory bolt and bearing, the nut of rotatory bolt is located the top of grip slipper, the vertical grip slipper that inserts of screw rod of rotatory bolt, the interlude of rotatory bolt screw rod is the protrusion piece, the diameter of protrusion piece is greater than the diameter at rotatory bolt screw rod both ends, the bearing is fixed to be located in the grip slipper, rotatory bolt carries out interference fit through the protrusion piece of screw rod and bearing, make rotatory bolt inject at fixed position and rotate, the screw rod bottom of rotatory bolt sets up the external screw thread, and insert the activity inslot and carry out screw-thread fit with the activity briquetting and drive the lift of activity briquetting.
3. The fixing tool for the test of the high-frequency microwave device according to claim 2, characterized in that: the movable groove and the movable pressing block are designed in a quadrangular prism shape, the lifting blind hole is formed in the top of the movable pressing block, internal threads are formed in the lifting blind hole, the lifting blind hole is screwed in the bottom of a screw rod of a rotary bolt, and the movable pressing block is driven to lift through the meshing of the external threads and the internal threads.
4. The fixing tool for the test of the high-frequency microwave device according to claim 3, wherein: the size of the movable pressing block is matched with the space in the movable groove, and lubricating oil is coated on the groove wall of the movable groove.
5. The fixing tool for the test of the high-frequency microwave device according to claim 2, characterized in that: the external thread at the bottom of the screw rod of the rotary bolt is an M5 type fine thread.
6. The fixing tool for the test of the high-frequency microwave device according to claim 1, wherein: the bottom surface of the movable pressing block is a flat surface.
7. The fixing tool for the test of the high-frequency microwave device according to claim 1, wherein: the movable pressing block is made of polytetrafluoroethylene materials.
8. The fixing tool for the test of the high-frequency microwave device according to claim 1, wherein: the lower clamping seat and the upper clamping seat are both made of heat dissipation metal materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921376604.0U CN210499921U (en) | 2019-08-22 | 2019-08-22 | Fixed frock is used in test of high frequency microwave device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921376604.0U CN210499921U (en) | 2019-08-22 | 2019-08-22 | Fixed frock is used in test of high frequency microwave device |
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| Publication Number | Publication Date |
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| CN210499921U true CN210499921U (en) | 2020-05-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921376604.0U Active CN210499921U (en) | 2019-08-22 | 2019-08-22 | Fixed frock is used in test of high frequency microwave device |
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| CN (1) | CN210499921U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113189375A (en) * | 2021-05-06 | 2021-07-30 | 杭州中安电子有限公司 | Microwave device test fixture |
-
2019
- 2019-08-22 CN CN201921376604.0U patent/CN210499921U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113189375A (en) * | 2021-05-06 | 2021-07-30 | 杭州中安电子有限公司 | Microwave device test fixture |
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