Detection support for an image intensifier

Abstract

The application relates to a detection support for an image intensifier, which comprises a support body group, the support body group comprising a first part and a second part, the first part being a cylindrical structure as a whole and having segments with different inner diameters in the axial direction, the segments comprising a first segment, a second segment, a third segment and a fourth segment, the inner diameter of the third segment matching the outer diameter of the image intensifier to be detected, the inner diameter of the fourth segment being larger than the outer diameter of the third segment, the inner diameter of the second segment being smaller than the inner diameter of the third segment, and the inner diameter of the first segment matching the objective lens of an optical system used for detection, wherein the sum of the axial lengths of the third segment and the fourth segment is equal to the axial length of the image intensifier to be detected, and the second part is coaxially arranged with the first part and has two ends, one end of the two ends having an inner diameter smaller than the inner diameter of the third segment and being used for preventing the image intensifier to be detected from moving towards the second part, and the other end having an inner diameter matching the ocular lens of the optical system used for detection. The detection support for the image intensifier according to the application can fix the image intensifier, so that the test result is accurate.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of image intensifier detection, in particular to a detection support for image intensifier. BACKGROUND

[0002] At present, in the military field, image intensifier type night vision observation systems are still in a core component position in night vision observation products, including gun sighting systems and head-mounted observation systems, and a large number of image intensifiers are used.

[0003] In the development of traditional night vision equipment products, in addition to referring to the data provided by the manufacturer, if the product developer tests the basic performance parameters of the image intensifier in the development of the product optical system, such as discrimination rate, the general method adopted is to combine the image intensifier with the components of the pre-designed product prototype into the pre-research product prototype for testing, but the number of pre-research product prototypes is generally limited, and it is time-consuming and laborious to disassemble and assemble one by one, and using this method to test different types of image intensifiers is relatively troublesome, and repeated disassembly and assembly testing poses a certain risk of damage to the image intensifier itself and the components of the pre-research product prototype.

[0004] Therefore, in order to meet the needs of image intensifiers for rapid, safe and simple testing of different optical systems or different image intensifiers in the same optical system, it is urgent to design a detection support for image intensifiers, which can replace the prototype system to a certain extent for testing, and realize rapid and simple replacement of image intensifiers, skip the process of assembling the image intensifier on the pre-research prototype first and then testing, and realize the effect of rapid, safe and simple testing of different image intensifiers in different optical systems. SUMMARY

[0005] The technical problem to be solved by the present application is how to make the system replace the prototype system for testing, and have the function of rapid and simple replacement of image intensifiers, avoid the process of assembling the image intensifier first and then testing before testing, and realize the effect of rapid, safe and simple testing of different image intensifiers in different optical systems.

[0006] To solve the above technical problems, the present application provides a detection support for image intensifier, which comprises a support body group, the support body group comprises a first part and a second part, the first part is a cylindrical structure as a whole, and has different inner diameters in axial direction, the first part comprises a first section, a second section, a third section and a fourth section, the third section has an inner diameter matching the outer diameter of the image intensifier to be detected, the fourth section has an inner diameter larger than the outer diameter of the third section, which is convenient for taking the image intensifier to be detected, the second section has an inner diameter smaller than the inner diameter of the third section, which is used to prevent the image intensifier to be detected from moving towards the second section, the first section has an inner diameter matching the objective lens of an optical system used for detection, so as to fix the objective lens, wherein the sum of the axial lengths of the third section and the fourth section is equal to the axial length of the image intensifier to be detected, wherein the second part is also a cylindrical structure, the second part is coaxially arranged with the first part, wherein the second part has two ends, one end has an inner diameter smaller than the inner diameter of the third section, which is used to prevent the image intensifier to be detected from moving towards the second part, and the other end has an inner diameter matching the ocular lens of the optical system used for detection, so as to fix the ocular lens, so that the support body group fixes the image intensifier to be detected to ensure the distance between the optical system and the image intensifier, and prevent the image intensifier from moving greatly during testing, which causes inaccurate test results.

[0007] According to the embodiment of the present application, the third section and the fourth section can have equal axial lengths.

[0008] According to the embodiment of the present application, the first part and the second part can be hingedly connected through a hinge structure arranged on the outer side walls of the first part and the second part, and fixed through buckles arranged on the opposite sides of the connecting pin shaft and the outer side walls of the first part and the second part.

[0009] According to the embodiment of the present application, the support body group can further comprise buckle connecting pin shafts and return springs, which are convenient for buckle fixing and spring opening.

[0010] According to the embodiment of the present application, the detection support for image intensifier can further comprise a detachable support seat group, which is used to mount the support body group with the image intensifier to the detection guide rail for observation, the detachable support seat group is a ring structure with a connection on one side wall and capable of being opened or fixedly connected, wherein the outer side of the first part is provided with a circumferential ring-shaped protrusion, the inner diameter of the ring structure matches the outer diameter of the first part close to one end of the first section, the detachable support seat group is sleeved on the outer side of the support body group and close to one end of the first section, and the ring-shaped protrusion is used to position the sleeving position of the detachable support seat group.

[0011] According to the embodiment of the present application, the connection of the detachable support seat group can have a radially outward extension, and the extension is fixedly connected through a bolt and a nut.

[0012] According to the embodiment of the present application, the inner diameter of the first section and the other end of the second part can be provided with inner threads, which are convenient for fixing the objective lens and the ocular lens, respectively.

[0013] According to the embodiment of the present application, the detection support for the image intensifier further comprises: a circuit component group, the circuit control group comprises a plurality of circuit components, for powering the image intensifier under test and for controlling the image intensifier under test.

[0014] According to the embodiment of the present application, the detection support for the image intensifier further comprises: a circuit control group, the circuit control group is a structure for accommodating, mounting and fixing each circuit component in the circuit component group, and the circuit control group is fixedly connected with the support body group.

[0015] According to the embodiment of the present application, a semicircular notch can be arranged on the cylindrical sidewall of the support body group, for placing the circuit line of the image intensifier, to avoid damage during installation of the circuit line.

[0016] Compared with the prior art, the technical scheme provided by the embodiment of the present application can achieve at least the following beneficial effects:

[0017] The detection support for the image intensifier according to the present application is different from the conventional detection support, and the support body and the image intensifier are not connected in any way, and only the special structure design is used to fix and control the image intensifier under test, so that the installation and removal of the image intensifier are more rapid, safe and simple under the condition of ensuring the detection effect; the image intensifier can be avoided from being repeatedly disassembled and tested on the pre-research sample machine, which is time-consuming and laborious and causes damage risk, and a large number of comparisons of the image intensifier can be realized quickly.

[0018] According to the support body group of the present application, the main body front and rear housings are provided with universal threaded interfaces, and the user can connect the test optical system and the support body group by making a docking tool, to realize the function of switching different optical systems for testing; through the hinge installed on the main body front and rear housings and the quick unlocking buckle structure, the image intensifier can be quickly replaced and fixed without disassembling the optical system; the support front housing, the support rear housing and the front and rear housing fixing buckles are made of super strength aluminum alloy or titanium alloy, which can guarantee the structural strength while minimizing the weight of the support itself, and the surface of each part is blackened to prevent rusting.

[0019] The circuit control group according to the application can adjust the electrical properties of the image intensifier by switching the connection of different circuit lines in the circuit control group with the image intensifier, and can switch the detection function of the gain image intensifier and the non-gain image intensifier; the circuit control group shell, the battery box cover, the potentiometer hand wheel, the potentiometer pressing ring, the photosensitive resistor pressing ring, the photosensitive resistor spacer, and the circuit control group cover plate are made of super strength aluminum alloy or titanium alloy, which can reduce the weight of the parts to the maximum extent while ensuring the structural strength, and the surface of each part is blackened to prevent rust.

[0020] The detachable support seat group according to the application can be operated by hand, and the detachable support, the fastening bolt and the fastening nut are made of super strength aluminum alloy or titanium alloy, which can reduce the weight of the parts to the maximum extent while ensuring the structural strength, and the surface of each part is blackened to prevent rust.

[0021] Compared with the conventional method of first combining the image intensifier with the sample machine components to form a sample machine and then testing, the testing method of the application is more convenient for replacing the image intensifier and simpler for replacing the optical system, and the tedious disassembly and assembly steps are omitted, thereby greatly reducing the workload required for the preparation before testing. BRIEF DESCRIPTION OF DRAWINGS

[0022] In order to more clearly illustrate the technical solutions of the embodiments of the application, the drawings of the embodiments will be briefly introduced below. Obviously, the drawings in the following description only relate to some embodiments of the application and are not limiting to the application.

[0023] Figures 1a-1b Fig. 1 is a schematic view of a detection support for an image intensifier according to an embodiment of the application;

[0024] Figure 2 Fig. 2 is a schematic view of a support body group structure according to an embodiment of the application;

[0025] Figures 3a-3d Fig. 3 is a schematic view of a circuit control group and a circuit component group structure according to an embodiment of the application;

[0026] Figure 4 Fig. 4 is a schematic view of a detachable support group structure according to an embodiment of the application;

[0027] Figure 5 is a cross-sectional view showing the cooperation state of the support body set and the detachable support seat set according to an embodiment of the present application;

[0028] Figure 6 is a use state diagram of the support body set according to an embodiment of the present application. DETAILED DESCRIPTION

[0029] In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions of the embodiments of the present application will be described clearly and completely below with reference to the drawings of the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments of the present application. Based on the described embodiments of the present application, all other embodiments obtained by those of ordinary skill in the art without creative effort belong to the scope of protection of the present application.

[0030] Unless otherwise defined, technical terms or scientific terms used herein should be understood as having the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terms "first", "second", and similar terms used herein do not denote any order, quantity, or importance, but are used to distinguish different components. Similarly, the terms "one" or "a" or similar terms do not denote a quantity of one, but denote the presence of at least one.

[0031] Figures 1a-1b is a schematic diagram of a detection support for an image intensifier according to an embodiment of the present application; Figure 2 is a structural schematic diagram of a support body set according to an embodiment of the present application; Figures 3a-3d is a structural schematic diagram of a circuit control set and a circuit component set according to an embodiment of the present application; Figure 4 is a structural schematic diagram of a detachable support set according to an embodiment of the present application; Figure 5 is a cross-sectional view showing the cooperation state of the support body set and the detachable support seat set according to an embodiment of the present application.

[0032] Figures 1a-5 As shown, the detection support for an image intensifier includes a detachable support seat set 31.

[0033] The detachable support seat group 31 comprises a first part 11 and a second part 12, the first part 11 is a cylindrical structure as a whole, and has different inner diameters in the axial direction, the first part 11 comprises a first section 111, a second section 112, a third section 113 and a fourth section 114, the inner diameter of the third section 113 matches the outer diameter of the image intensifier to be detected, the inner diameter of the fourth section 114 is greater than the outer diameter of the third section 113, so as to facilitate the taking of the image intensifier to be detected, the inner diameter of the second section 112 is smaller than the inner diameter of the third section 113, and the second section 112 is used to prevent the image intensifier to be detected from moving in the direction of the second section 112, and the inner diameter of the first section 111 matches the objective lens of the optical system used for detection, so as to fix the objective lens.

[0034] The sum of the axial lengths of the third section 113 and the fourth section 114 is equal to the axial length of the image intensifier to be detected.

[0035] The second part 12 is also a cylindrical structure, and the second part 12 is coaxially arranged with the first part 11.

[0036] The second part 12 has two ends, one end has an inner diameter smaller than the inner diameter of the third section 113, and is used to prevent the image intensifier to be detected from moving in the direction of the second part 12, and the other end has an inner diameter matching the ocular lens of the optical system used for detection, so as to fix the ocular lens, so that the detachable support seat group 31 fixes the image intensifier to be detected to ensure the distance between the optical system and the image intensifier, and prevents the image intensifier from being displaced greatly during testing, thereby causing inaccurate test results.

[0037] The detection support for the image intensifier according to the present application is different from the conventional detection support, the support body of the detection support is not connected with the image intensifier in any way, and only the special structure design of the detection support is used to fix and control the image intensifier to be detected, so that the installation and removal of the image intensifier are more rapid, safe and simple under the condition of ensuring the detection effect, the image intensifier can be repeatedly disassembled and tested on the pre-research prototype, time and effort are saved, and the risk of damage is avoided, and a large number of comparisons of the image intensifier can be realized rapidly.

[0038] According to one or some embodiments of the present application, the axial lengths of the third section 113 and the fourth section 114 are equal.

[0039] According to one or some embodiments of the present application, the first part 11 and the second part 12 are hingedly connected through the hinge structure 13 arranged on the outer side walls of the first part 11 and the second part 12, and are fixed through the buckles 14 arranged on the outer side walls of the first part 11 and the second part 12 on opposite sides of the connecting pin shaft.

[0040] According to one or some embodiments of the present application, the detachable support seat group 31 further comprises a buckle connecting pin shaft 15 and a reset spring 16, so as to facilitate the fixing and opening of the buckle 14.

[0041] According to one or some embodiments of the present application, the detection support for the image intensifier further comprises: a detachable support seat group, which is used to mount the detachable support seat group 31 with the image intensifier on the detection guide rail for observation, and is a ring structure with a connection on a side wall and capable of being opened or fixedly connected.

[0042] The outer side of the first part 11 is provided with a circumferential annular protrusion, the inner diameter of the ring structure matches the outer diameter of the first part 11 close to one end of the first section 111, the detachable support seat group is sleeved on the outer side of the detachable support seat group 31 close to one end of the first section 111, and the annular protrusion is used to position the sleeving position of the detachable support seat group.

[0043] According to the detachable support seat group of the present application, the fastening bolts 32 and the fastening nuts 33 in the detachable support seat group are redesigned in shape on the basis of the original ordinary fastening bolts 32 and fastening nuts 33, so as to facilitate manual operation of the bolts 32. The outer side of the fastening bolts 32 and the fastening nuts 33 is provided with a "I" shaped groove, which facilitates auxiliary fixing and dismounting by using tools; the detachable support, the fastening bolts 32 and the fastening nuts 33 are made of super strength aluminum alloy or titanium alloy, which maximally reduces the weight of the support while ensuring the structural strength, so as to make the carrying and use more convenient.

[0044] According to one or some embodiments of the present application, the connection of the detachable support seat group has a radial outward extension, which is fixedly connected by the bolts 32 and the nuts 33.

[0045] According to one or some embodiments of the present application, the inner diameter of the first section 111 and the other end of the second part 12 are both provided with internal threads, which facilitate the fixing connection of the objective lens and the eyepiece respectively.

[0046] According to the detachable support seat group 31 of the present application, the front and rear housings of the main body are provided with general threaded interfaces, the user can connect the test optical system and the detachable support seat group 31 by making a docking tool, so as to realize the function of switching different optical systems for testing; through the hinge installed on the front and rear housings of the main body and the quick unlocking buckle 14 structure, the image intensifier can be quickly replaced and fixed without dismounting the optical system; the front support housing, the rear support housing and the front and rear housing fixing buckle 14 are made of super strength aluminum alloy or titanium alloy, which maximally reduces the weight of the support while ensuring the structural strength, and the surface of each part can be black oxidized to prevent rust.

[0047] According to one or some embodiments of the present application, the detection support for the image intensifier further comprises: a circuit component group 4, which comprises a plurality of circuit components, is used to supply power to the measured image intensifier, and is used to control the measured image intensifier.

[0048] According to one or some embodiments of the present application, the detection support for the image intensifier further comprises: a circuit control group 2, which is a structural member for accommodating, mounting and fixing each circuit component in the circuit component group 4, and is fixedly connected with the detachable support seat group 31.

[0049] According to the circuit control group 2 of the present application, by switching the connection of different circuit lines in the circuit control group 2 with the image intensifier, the electrical properties of the image intensifier can be adjusted, and the switching of the detection function of the gain image intensifier and the non-gain image intensifier can be realized; by adding a photosensitive resistor in the structure of the circuit component group 4 in the circuit control group 2, the image intensifier can be automatically protected when the environmental brightness is too high, preventing damage to the working image intensifier; the housing of the circuit control group 2, the battery box cover, the potentiometer hand wheel, the potentiometer compression ring, the photosensitive resistor compression ring, the photosensitive resistor spacer, and the cover plate of the circuit control group 2 are made of super-strength aluminum alloy or titanium alloy, which not only ensures the structural strength but also maximizes the reduction of its own weight, making it more convenient to carry and use, and the surface of each part can be blackened to prevent rust.

[0050] According to one or some embodiments of the present application, a semicircular notch is provided on the cylindrical side wall of the detachable support seat group 31 for the circuit line of the image intensifier, avoiding damage during installation.

[0051] Figure 6 is a diagram showing the use state of the detachable support seat group according to an embodiment of the present application.

[0052] As shown in Figure 6 , in use, the image intensifier to be detected is first inserted into the first part 11 of the cylindrical detachable support seat group 31, the second part 12 is closed, and the image intensifier is fixed in the support theme group. The detachable support seat group is sleeved on the outer wall of the support theme group, and the circuit control group 2 with the circuit component group 4 is connected. The measured system objective lens is connected through the internal thread of the first section 111 of the detachable support seat group 31, and the north system eyepiece is connected through the second part 12 of the detachable support seat group 31. Thus, the measured image intensifier is fixed, the distance between the optical system and the image intensifier is ensured, and large-scale displacement of the image intensifier during testing is prevented, which causes inaccurate test results and accurate detection.

[0053] Overall, compared with the conventional method of first combining the image intensifier with the sample machine components to form a sample machine and then testing, the testing method of the present application is more convenient to replace the image intensifier and simpler to replace the optical system, and the tedious disassembly and assembly steps are omitted, greatly reducing the workload required for the preparation before testing.

[0054] The above descriptions are only some exemplary embodiments of the present application, but not intended to limit the protection scope of the present application, which is defined by the appended claims.

Claims

1. A detection support for image intensifier, comprising: a support body group, the support body group comprising a first part and a second part, the first part being a cylindrical structure as a whole and having segments with different inner diameters in axial direction, the first part comprising a first segment, a second segment, a third segment and a fourth segment, the third segment having an inner diameter matching the outer diameter of the image intensifier to be detected, the fourth segment having an inner diameter larger than the outer diameter of the third segment, facilitating the taking of the image intensifier to be detected, the second segment having an inner diameter smaller than the inner diameter of the third segment, for preventing the image intensifier to be detected from moving towards the second segment, the first segment having an inner diameter matching the objective lens of an optical system for detection, for fixing the objective lens, wherein the sum of the axial lengths of the third segment and the fourth segment is equal to the axial length of the image intensifier to be detected, wherein the second part is also a cylindrical structure, the second part being coaxially arranged with the first part, wherein the second part has two ends, one end having an inner diameter smaller than the inner diameter of the third segment, for preventing the image intensifier to be detected from moving towards the second part, the other end having an inner diameter matching the eyepiece of the optical system for detection, for fixing the eyepiece, so that the support body group fixes the image intensifier to be detected to ensure the spacing between the optical system and the image intensifier, preventing the image intensifier from moving greatly during testing, resulting in inaccurate test results.

2. The detection stand for an image intensifier according to claim 1, wherein, The axial lengths of the third segment and the fourth segment are equal.

3. The detection stand for an image intensifier according to claim 1, wherein, The first part and the second part are hingedly connected through a hinge structure arranged on the outer sidewalls of the first part and the second part, and are fixed through buckles arranged on the outer sidewalls of the first part and the second part on opposite sides of the connecting pin shaft.

4. The detection stand for an image intensifier according to claim 3, wherein The support body group further comprises buckles, connecting pin shafts and return springs, facilitating the fixing and opening of the buckles.

5. The detection stand for an image intensifier according to claim 1, further comprising: A detachable support seat group is used to mount the support body group with the image intensifier to the detection guide rail for observation, the detachable support seat group being a ring structure having a connection on one sidewall and being capable of being opened or fixedly connected, wherein the outer side of the first part is provided with a circumferential ring-shaped protrusion, the inner diameter of the ring structure matches the outer diameter of the first part near one end of the first segment, the detachable support seat group is sleeved on the outer side of the support body group near one end of the first segment, and the ring-shaped protrusion is used to position the sleeving position of the detachable support seat group.

6. The detection holder for an image intensifier according to claim 5, wherein, The connection of the detachable support seat group has a radially outward extending segment, and the extending segment is fixedly connected through a bolt and a nut.

7. The detection stand for an image intensifier according to claim 1, wherein The inner diameter of the first segment and the other end of the second part are provided with inner threads, facilitating the fixing of the objective lens and the eyepiece respectively.

8. The detection stand for an image intensifier according to claim 1, further comprising: A circuit component group, the circuit control group comprising a plurality of circuit components, for supplying power to the image intensifier to be detected and for controlling the image intensifier to be detected.

9. The detection stand for an image intensifier according to claim 8, further comprising: A circuit control group, the circuit control group being a structural member, for accommodating, mounting and fixing each circuit component in the circuit component group, the circuit control group being fixedly connected with the support body group.

10. The detection stand for an image intensifier according to claim 9, wherein, A semicircular notch is arranged on the cylindrical sidewall of the support body group, for the placement of the circuit lines of the image intensifier, avoiding damage during installation.

Images