CN210835295U - Terahertz detection module test tool and test device - Google Patents

Abstract

The utility model provides a terahertz detection module test fixture and a test device, which belong to the technical field of terahertz detector production, the terahertz detection module test fixture comprises a sliding table, a first pressing mechanism and a second pressing mechanism, the sliding table is arranged on a guide rail in a sliding manner, a stop block is arranged on the sliding table, the terahertz detection module is aligned to a cold source or a heat source by means of sliding on the guide rail by means of the sliding table, the first pressing mechanism is arranged on the sliding table and is provided with an elastic element, the elastic element is used for pressing and connecting a first end of a horn antenna connected with the terahertz detection module with a first end of a shell, the second pressing mechanism is arranged on the sliding table and is provided with a push rod, and the push rod is used for pressing the shell; the utility model provides a terahertz detection module test fixture can improve terahertz detection module's efficiency of software testing greatly now, realizes terahertz detector's engineering application and batch production.

Description

Terahertz detection module test tool and test device

Technical Field

The utility model belongs to the technical field of terahertz detector production manufacturing, more specifically say, relate to a terahertz detection module test fixture and testing arrangement now.

Background

When the terahertz detector is manufactured, the terahertz detection module needs to be tested so as to ensure the product quality. During testing, an upper shell and a lower shell containing the terahertz detection module are required to be pressed tightly, then the horn antenna is fixed to one end of the shell and connected with the terahertz detection module, and then the horn antenna is aligned to and close to a cold source and a heat source which are used as wave sources; the terahertz detection module is connected with a test instrument through a connector arranged at the other end of the shell, the test instrument judges whether a test index of the terahertz detector is qualified or not through a return signal of the terahertz detection module, if the test index is not qualified, the shell needs to be disassembled, and the terahertz detection module is debugged.

During testing, in order to completely simulate the actual working state of the terahertz detection module and ensure that the test indexes can accurately reflect the quality condition of the module, a first shell and a second shell which form the shell need to be pressed tightly, and a horn antenna also needs to be pressed tightly at the end part of the shell; in the prior art, the first shell and the second shell are compressed and the horn antenna and the end part of the shell are compressed by screws; the number of screws is large, so that the testing efficiency is seriously influenced, and particularly when the testing is unqualified, the screws need to be repeatedly disassembled, so that the efficiency is low, the shell is easily scratched, and the reliability of the terahertz detection module is influenced; meanwhile, in the test, when the positions of the cold source and the heat source are switched, the test positions of all the terahertz detection modules cannot be guaranteed to be consistent, so that the test temperatures are different, and the test consistency is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a terahertz detection module test fixture and testing arrangement now aims at solving the problem among the above-mentioned prior art, improves terahertz detection module's efficiency of software testing now, realizes terahertz detector's engineering application and batch production now.

In order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides a terahertz detection module test fixture includes:

the sliding table is arranged on the guide rail in a sliding mode, a stop block is arranged on the sliding table, the sliding table is used for placing a shell for packaging the terahertz detection module, and the terahertz detection module is aligned to a cold source or a heat source in a sliding mode on the guide rail by means of the sliding table;

the first pressing mechanism is arranged on the sliding table and is provided with an elastic element, and the elastic element is used for pressing and connecting the first end of the horn antenna connected with the terahertz detection module with the first end of the shell after the shell is close to the stop block;

and the second pressing mechanism is arranged on the sliding table and is provided with a push rod, and the push rod is used for pressing the horn antenna and the shell after being pressed and connected, so that the shell is pressed between the push rod and the stop block.

As another embodiment of the present application, the elastic element is disposed at the first end of the horn antenna, and the elastic element presses the first end of the horn antenna to the first end of the housing along the axial direction.

As another embodiment of the present application, the first pressing mechanism further includes a limiting block disposed opposite to the elastic element in the axial direction, and the limiting block is configured to abut against the second end of the housing to limit the housing between the elastic element and the limiting block.

As another embodiment of this application, elastic element is the pressure spring, first hold-down mechanism still includes slide bar and slide, the first end of slide bar with feedhorn's first end fixed connection, the second end of slide bar passes the slide and with slide sliding connection, the pressure spring cover is established on the slide bar and extrude in feedhorn's first end with between the slide.

As another embodiment of this application, the first end of slide bar is equipped with the external screw thread, the slide bar with the help of the external screw thread with the flange fixed connection of horn antenna first end.

As another embodiment of the present application, the push rod is a piston rod of an air cylinder, and the second pressing mechanism further includes an air source connected to the air cylinder and an electromagnetic valve for controlling the piston rod to move.

As another embodiment of the application, a protection pad for protecting the shell is arranged at the intersection of the sliding table and the stop block.

As another embodiment of this application, be equipped with on the guide rail respectively with first locating piece and the second locating piece that cold source and heat source position correspond, the slip table with the help of first locating piece and second locating piece are fixed a position and are made terahertz detection module aim at cold source or heat source.

As another embodiment of this application, be equipped with the handle on the slip table, the handle is used for gripping and can prevent that human heat from transmitting to on the casing.

Compared with the prior art, the terahertz detection module testing tool provided by the utility model can compress the shell through the push rod of the second compression mechanism, ensure that the first shell and the second shell which form the shell are tightly attached, and simultaneously, the horn antenna is tightly connected with the shell through the elastic element of the first compression mechanism, so as to ensure that the first end of the horn antenna is tightly attached with the first end of the shell, thereby simulating the working state of the terahertz detection module, and ensuring that the testing index can accurately reflect the quality condition of the terahertz detection module; compared with the prior art that the first shell and the second shell are pressed through the screws and the horn antenna is pressed at the first end of the shell through the screws, the work of screwing the screws is omitted, and the testing efficiency is improved; when the test is unqualified, the shell is only required to be taken out from the position between the stop block and the push rod, and the first shell and the second shell are separated to continuously debug the terahertz detection module, so that the inconvenience brought to the test work by repeatedly disassembling and assembling screws is avoided, the efficiency is improved, and the shell is prevented from being scratched in the screw disassembling and assembling process; after the first pressing mechanism and the second pressing mechanism complete pressing, the sliding table slides along the guide rail to realize position switching of the horn antenna, so that the horn antenna is aligned to the cold source and the heat source which are fixedly arranged beside the sliding table, the consistency of the test position of each terahertz detection module is guaranteed, and the test consistency is guaranteed.

The utility model also provides a terahertz detection module testing arrangement, terahertz detection module testing arrangement includes foretell terahertz detection module test fixture and sets up terahertz detection module test fixture's one side cold source and heat source now, terahertz detection module testing arrangement still includes the test instrument who is connected with terahertz detection module electricity now. The terahertz detection module testing device can conveniently compress the first shell and the second shell due to the use of the terahertz detection module testing tool, can compress the horn antenna at the first end of the shell, can move along the guide rail through the sliding table to switch the position of a cold and heat source, and is high in testing efficiency and good in consistency.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a viewing angle of a terahertz detection module testing tool provided by an embodiment of the present invention;

FIG. 2 is an enlarged view taken at A in FIG. 1;

FIG. 3 is a schematic structural component view of the housing;

FIG. 4 is a schematic structural view of the connection between the housing and the horn antenna via the connection screw;

fig. 5 is a schematic structural diagram of another view angle of the terahertz detection module testing tool provided by the embodiment of the present invention;

fig. 6 is a schematic structural diagram of the first end of the horn antenna.

In the figure: 1. a sliding table; 11. a guide rail; 12. a stopper; 13. mounting blocks; 14. a base plate; 15. a limiting block; 16. a protection pad; 17. a sliding sleeve; 2. a housing; 21. a first housing; 211. screw holes; 22. a second housing; 221. a housing locating pin; 23. a horn antenna; 24. an end positioning pin; 25. an antenna positioning pin; 26. a connecting screw; 31. an elastic element; 32. a slide bar; 33. a slide base; 34. an end-block; 41. a push rod; 42. and (7) pressing a plate.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Please refer to fig. 1 and fig. 2 together, the terahertz detection module testing tool provided by the present invention will now be described. The terahertz detection module testing tool comprises a sliding table 1, a first pressing mechanism and a second pressing mechanism; the sliding table 1 is arranged on the guide rail 11 in a sliding mode, a stop block 12 is arranged on the sliding table 1, the sliding table 1 is used for placing a shell 2 for packaging the terahertz detection module, and the terahertz detection module slides on the guide rail 11 by means of the sliding table 1 to align to a cold source or a heat source; the first pressing mechanism is arranged on the sliding table 1 and is provided with an elastic element 31, and the elastic element 31 is used for pressing and connecting the first end of the horn antenna 23 connected with the terahertz detection module with the first end of the shell 2 after the shell 2 abuts against the stop block 12; the second pressing mechanism is arranged on the sliding table 1 and is provided with a push rod 41, and the push rod 41 is used for pressing the shell 2 between the push rod 41 and the stop block 12 after the horn antenna 23 and the shell 2 are pressed and connected.

Compared with the prior art, the terahertz detection module testing tool provided by the utility model can press the shell 2 tightly through the push rod 41 of the second pressing mechanism, ensure that the first shell 21 and the second shell 22 forming the shell 2 are tightly attached, and simultaneously, the elastic element 31 of the first pressing mechanism enables the horn antenna 23 to be tightly connected with the shell 2, so as to ensure that the first end of the horn antenna 23 is tightly attached with the first end of the shell 2, thereby simulating the working state of the terahertz detection module and ensuring that the testing index can accurately reflect the quality condition of the terahertz detection module; compared with the prior art that the first shell 21 and the second shell 22 are pressed through screws and the horn antenna 23 is pressed at the first end of the shell 2 through screws, the work of screwing the screws is omitted, and the testing efficiency is improved; when the test is unqualified, the shell 2 is only required to be taken out from between the stop block 12 and the push rod 41, and the first shell 21 and the second shell 22 are separated to continuously debug the terahertz detection module, so that the inconvenience brought to the test work due to repeated screw assembly and disassembly is avoided, the efficiency is improved, and the shell 2 is prevented from being scratched in the screw assembly and disassembly process; after the first pressing mechanism and the second pressing mechanism complete pressing, the sliding table 1 slides along the guide rail 11 to realize position switching of the horn antenna 23, so that the horn antenna 23 is aligned with the cold source and the heat source which are fixedly arranged beside, the consistency of the test position of each terahertz detection module is ensured, and the test consistency is ensured.

As shown in fig. 3, which is a schematic view illustrating a structural composition of a housing 2 in the prior art, the housing 2 is composed of a first housing 21 and a second housing 22 that can be disassembled, a plurality of screw holes 211 for passing screws are formed on a surface of the first housing 21, screw holes corresponding to the screw holes 211 one to one are formed in the second housing 22, and the screws are screwed into the screw holes of the second housing 22 after passing through the screw holes 211 of the first housing 21, so that the first housing 21 and the second housing 22 can be compressed into a whole; two shell positioning pins 221 are arranged on the second shell 22 and matched with the pin holes on the first shell 21, so that the first shell 21 and the second shell 22 are aligned with each other and can be tightly attached after being compressed.

Fig. 4 is a schematic structural diagram of the housing 2 and the horn antenna 23 being compressed and connected by the connection screw 26 when the housing 2 and the horn antenna 23 are assembled into a product, and the housing 2 and the horn antenna 23 are compressed and connected by the elastic element 31 in this application, which is different from the connection manner in the prior art; after the first shell 21 and the second shell 22 are tightly pressed, a boss for connecting the horn antenna 23 is formed at the first end of the shell 2, two end positioning pins 24, two pin holes and two threaded holes are arranged on the boss, the end positioning pins 24 are used for being inserted into the pin holes arranged on the connecting flange at the first end of the horn antenna 23, the pin holes on the boss are used for being inserted by antenna positioning pins 25 arranged on the connecting flange, and the threaded holes on the boss are used for being penetrated by two connecting screws 26 arranged on the connecting flange to fix the horn antenna 23 on the shell 2; when the first end of horn antenna 23 and the first end of casing 2 are connected, set up in the tip locating pin 24 on the boss inserts the pinhole on the flange, set up in the antenna locating pin 25 on the flange inserts the pinhole on the boss simultaneously, guarantee that boss and flange are adjusted well each other, can closely laminate after the relative terminal surface of both compresses tightly.

The cold source and the heat source are in the prior art, and the heat source is a blackbody source and is used for radiating energy for the terahertz detection module to test; the cold source is block-shaped foam and is used for testing the state of the terahertz detection module at the ambient temperature; the horn antenna 23 is the prior art and is used for collecting and preprocessing terahertz wave signals emitted by a cold source and a heat source; after the first end of the horn antenna 23 and the first end of the shell 2 are tightly pressed and connected, the horn antenna can be connected with the terahertz detection module, and signal transmission is realized.

Through the utility model provides a process that test fixture carries out the test to terahertz detection module is as follows: before testing, the terahertz detection module is installed and fixed in the first shell 21 or the second shell 22; after the test is started, the first housing 21 and the second housing 22 are aligned and assembled into a whole by the housing positioning pins 221 provided on the second housing 22 to form a housing 2 in a rectangular parallelepiped shape; placing the shell 2 on the sliding table 1, and enabling one side surfaces of the first shell 21 and the second shell 22 to abut against the stop block 12, wherein the boss at the first end of the shell 2 is aligned with the connecting flange at the first end of the horn antenna 23 which is pre-installed on the sliding table 1; the shell 2 is pushed along the length direction, so that the end positioning pins 24 and the antenna positioning pins 25 which are respectively arranged on the lug boss and the connecting flange are inserted into the corresponding pin holes, and the end surface of the lug boss is close to the end surface of the connecting flange; continuing to push the shell 2, so that the elastic element 31 in the first pressing mechanism generates elasticity, and the end face of the boss and the end face of the connecting flange are mutually pressed and tightly attached; the push rod 41 of the first pressing mechanism is pushed out, the shell 2 is clamped between the extending end of the push rod 41 and the stop block 12 under the pushing force of the push rod 41, and the first shell 21 and the second shell 22 are pressed and tightly attached to each other; at this time, the first shell 21 and the second shell 22 are pressed against each other, and the horn antenna 23 is also pressed against the first end of the shell 2, so that the pressing work before the test is completed; the terahertz detection module is connected with a test instrument through a joint arranged at the second end of the shell 2, the sliding table 1 is moved along the guide rail 11, so that the horn antenna 23 is aligned with a heat source fixedly arranged on one side, and heat source test is carried out; after the heat source test is finished, the sliding table 1 is moved along the guide rail 11, so that the horn antenna 23 is aligned with a cold source fixedly arranged beside the heat source, the cold source test is carried out, and the test is finished.

After the test is finished, if the signal returned by the terahertz detection module is normal and the quality is qualified, the first shell 21 and the second shell 22 can be connected into a whole through screws; if the quality is not qualified, the push rod 41 is only required to be retracted, the shell 2 is taken out, and the first shell 21 and the second shell 22 are disassembled to debug the terahertz detection module; the horn antenna 23 is generally mounted on the slide table 1 as a test member, and can be directly used when testing the next module without being frequently disassembled.

Specifically, the guide rail 11 is arranged on a base plate 14 through a mounting block 13, the base plate 14 is placed on a workbench, and the position of the tool can be conveniently moved by moving the base plate 14; the extended end of the push rod 41 is provided with a pressing plate 42 for increasing the contact area with the shell 2 and ensuring that the first shell 21 and the second shell 22 are tightly attached under the thrust of the push rod 41; the elastic member 31 may be a spring or the like.

As a specific implementation manner of the terahertz detection module test fixture provided by the utility model, please refer to fig. 2, elastic element 31 sets up the first end at feedhorn 23, and elastic element 31 compresses tightly the first end of feedhorn 23 to the first end of casing 2 along the axial. Elastic element 31 is connected on horn antenna 23, and the test is accomplished the back, and casing 2 separates with horn antenna 23, and elastic element 31 can be together stayed on slip table 1 with horn antenna 23 as the test with the piece, need not dismantle, has avoided the condition that first coupling mechanism need relapse the dismouting, has improved efficiency of software testing. The housing 2 has a rectangular parallelepiped shape, and the main body of the horn antenna 23 has a long cone shape, and the axial direction refers to the longitudinal direction of the housing 2 and the horn antenna 23.

As a specific implementation manner of the terahertz detection module test fixture provided by the utility model, please refer to fig. 5, first hold-down mechanism still includes the stopper 15 that sets up with elastic element 31 axial is relative, and stopper 15 is used for keeping out casing 2's second end with casing 2 spacing between elastic element 31 and stopper 15. The limiting block 15 can be fixed on the sliding table 1 or on the stop block 12. The stopper 15 realizes the stopper of the housing 2 in the length direction with a simple and effective structure.

As a specific implementation manner of terahertz detection module test fixture, please refer to fig. 2 and 6, elastic element 31 is the pressure spring, and first hold-down mechanism still includes slide bar 32 and slide 33, the first end of slide bar 32 and the first end fixed connection of horn antenna 23, slide bar 32's second end pass slide 33 and with slide 33 sliding connection, the pressure spring cover is established on slide bar 32 and is extruded between horn antenna 23's first end and slide 33. The second end of the slide 32 is provided with an end block 34 for preventing the slide 32 from coming out of the slide 33.

During testing, after the shell 2 is placed on the sliding table 1 and is abutted to the stop block 12, the boss at the first end of the shell 2 is aligned to the connecting flange at the first end of the horn antenna 23, the shell 2 is pushed along the length direction, so that the end positioning pins 24 and the antenna positioning pins 25 which are respectively arranged on the boss and the connecting flange are inserted into the corresponding pin holes, and the end surface of the boss is abutted to the end surface of the connecting flange; continuing to push the shell 2, starting compression of the pressure spring until the second end of the shell 2 is just clamped with the limiting block 15, limiting the shell 2 between the pressure spring and the limiting block 15, and enabling the pressure spring to be in a compression state at the moment, so that the first end of the shell 2 is in compression connection with the first end of the horn antenna 23; after the test is finished, the end positioning pin 24 and the antenna positioning pin 25 can be pulled out from the pin holes simultaneously only by moving the shell 2 away from the horn antenna 23, and the shell 2 and the horn antenna 23 are detached; horn antenna 23 and first hold-down mechanism stay on slip table 1, wait for testing next terahertz detection module now, and convenient high efficiency can improve efficiency of software testing greatly.

Specifically, the sliding base 33 is fixed on the side of the stop block 12, and the horn antenna 23 is indirectly movably connected to the stop block 12 through the sliding base 33 and the sliding rod 32.

As a specific embodiment of the terahertz detection module test fixture provided by the utility model, the first end of slide bar 32 is equipped with the external screw thread, and slide bar 32 is with the help of the flange fixed connection of external screw thread and the first end of horn antenna 23. The connecting flange is provided with a threaded hole for the connecting screw 26 to be screwed in, and the first end of the sliding rod 32 is fixedly connected with the connecting flange through the existing threaded hole in the connecting flange after being provided with the external thread, so that the connection is reliable and the manufacture is convenient.

As a specific embodiment of the terahertz detection module test fixture provided by the utility model, push rod 41 is the piston rod of cylinder, and second hold-down mechanism still includes the air supply of being connected with the cylinder and is used for the solenoid valve of control piston rod action. Compared with a hydraulic mechanism and an electric mechanism which are used as driving mechanisms of the second pressing mechanism, the pneumatic mechanism completely meets the use requirements, and the air cylinder, the air source and the electromagnetic valve are mature existing devices, so that the pneumatic mechanism is easy to obtain and low in cost. The solenoid valve is typically connected to a switch for an operator to control the retraction and extension of the plunger 41.

As a specific implementation manner of the terahertz detection module testing tool provided by the present invention, please refer to fig. 1, the intersection of the sliding table 1 and the stop block 12 is provided with a protection pad 16 for protecting the housing 2. The sliding table 1 and the stop block 12 are generally made of metal, and the protection pad 16 can prevent the shell 2 from directly contacting the sliding table 1 and the stop block 12, so as to avoid scratching the surface of the shell 2. Specifically, the protection pad 16 is a rubber pad.

As a specific implementation of the utility model provides a terahertz detection module test fixture is equipped with first locating piece and the second locating piece that corresponds with cold source and heat source position respectively on the guide rail, and slip table 1 fixes a position with the help of first locating piece and second locating piece and makes terahertz detection module aim at cold source or heat source. Generally, the first positioning block and the second positioning block are respectively located at two ends of the guide rail 11, and when the sliding table 1 abuts against the first positioning block or the second positioning block, the horn antenna 23 is aligned with the cold source or the heat source. Specifically, the sliding table 1 is abutted with a first positioning block and a second positioning block through a sliding sleeve 17; the first positioning block and the second positioning block are installation blocks 13, and the installation blocks 13 are used as installation and supporting parts of the guide rail 11 and also used as positioning parts, so that the structure is simplified, and the cost is reduced.

As a specific implementation manner of terahertz detection module test fixture, be equipped with the handle on the slip table 1, the handle is used for gripping and can prevent that human heat from transmitting to casing 2. In this embodiment, the drive power that slip table 1 removed along guide rail 11 is provided by the manual work, and the handle can make things convenient for the tester to hold to promote slip table 1 to remove, with the position of switching cold and hot source. The handle is supported by the thermal insulation material that coefficient of heat conductivity is little, can prevent that the heat on the operator hand from transmitting to casing 2 through handle, slip table 1 on, influence the test result. The terahertz detection module is a device extremely sensitive to temperature. Specifically, the handle may also be disposed on the stopper 12; the specific structural form of the handle is not limited, and the handle can be an antistatic sponge adhered to the stop block 12, so that an operator can push the stop block 12 to move the sliding table 1.

The utility model also provides a terahertz detection module testing arrangement, terahertz detection module testing arrangement include foretell terahertz detection module test fixture and set up cold source and the heat source in terahertz detection module test fixture one side, terahertz detection module testing arrangement still includes the test instrument of being connected with terahertz detection module electricity. Cold source, heat source and test instrument are prior art, and terahertz detection module testing arrangement is because of having used terahertz detection module test fixture now, can be convenient compress tightly first casing 21 and second casing 22, also can compress tightly feedhorn 23 at the first end of casing 2 simultaneously, can also move along guide rail 11 through slip table 1 and switch cold and hot source position, and efficiency of software testing is high and the uniformity is good.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. Terahertz detection module test fixture, its characterized in that includes:

the sliding table is arranged on the guide rail in a sliding mode, a stop block is arranged on the sliding table, the sliding table is used for placing a shell for packaging the terahertz detection module, and the terahertz detection module is aligned to a cold source or a heat source in a sliding mode on the guide rail by means of the sliding table;

the first pressing mechanism is arranged on the sliding table and is provided with an elastic element, and the elastic element is used for pressing and connecting the first end of the horn antenna connected with the terahertz detection module with the first end of the shell after the shell is close to the stop block;

and the second pressing mechanism is arranged on the sliding table and is provided with a push rod, and the push rod is used for pressing the horn antenna and the shell after being pressed and connected, so that the shell is pressed between the push rod and the stop block.

2. The terahertz detection module test tool of claim 1, wherein the elastic element is disposed at the first end of the horn antenna, and the elastic element axially presses the first end of the horn antenna to the first end of the housing.

3. The terahertz detection module test tool of claim 2, wherein the first hold-down mechanism further comprises a stopper disposed axially opposite to the elastic element, the stopper being configured to abut against the second end of the housing to limit the housing between the elastic element and the stopper.

4. The terahertz detection module testing tool of claim 3, wherein the elastic element is a compression spring, the first hold-down mechanism further comprises a slide bar and a slide base, the first end of the slide bar is fixedly connected with the first end of the horn antenna, the second end of the slide bar penetrates through the slide base and is slidably connected with the slide base, and the compression spring is sleeved on the slide bar and is extruded between the first end of the horn antenna and the slide base.

5. The terahertz detection module testing tool of claim 4, wherein a first end of the sliding rod is provided with an external thread, and the sliding rod is fixedly connected with a connecting flange at the first end of the horn antenna through the external thread.

6. The terahertz detection module testing tool of claim 1, wherein the push rod is a piston rod of an air cylinder, and the second pressing mechanism further comprises an air source connected with the air cylinder and an electromagnetic valve for controlling the piston rod to act.

7. The terahertz detection module test tool of claim 1, wherein a protection pad for protecting the housing is arranged at an intersection of the sliding table and the stop block.

8. The terahertz detection module testing tool according to claim 1, wherein a first positioning block and a second positioning block are arranged on the guide rail and correspond to the cold source and the heat source respectively, and the sliding table is positioned by means of the first positioning block and the second positioning block so that the terahertz detection module is aligned with the cold source or the heat source.

9. The terahertz detection module test tool of claim 1 or 8, wherein a handle is arranged on the sliding table, and the handle is used for holding and can prevent human body heat from being transferred to the shell.

10. The terahertz detection module testing device is characterized by comprising the terahertz detection module testing tool as claimed in any one of claims 1 to 9, and a cold source and a heat source which are arranged on one side of the terahertz detection module testing tool, and further comprising a testing instrument electrically connected with the terahertz detection module.

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