A gold wire protection device in the coupling process of an image intensifier and an optical detector and a coupling assembly method of the image intensifier and the optical detector

Abstract

The application relates to a gold wire protection device and a coupling assembly method, in particular to a gold wire protection device and a coupling assembly method of an image intensifier and an optical detector in a coupling process, which solves the problem that the gold wire is broken in the coupling of the image intensifier and the optical detector by using the existing coupling assembly method. The gold wire protection device comprises a protection device circuit, an image absorption disc and a gold wire lead-out; the protection device circuit comprises a power supply VCC, a capacitor C2, a capacitor C1, a resistor R1, a resistor R4, a triode Q2, a triode Q3, a resistor R2, a resistor R3, a triode Q1, a diode D1, a capacitor C3 and a buzzer BUZZER; the image absorption disc is used for electrically connecting the resistor R1 and a photocathode; the gold wire lead-out is used for electrically connecting the resistor R2 and a gold wire; and the protection device circuit is used for alarming through the buzzer BUZZER when the photocathode and the gold wire touch.

Description

Technical Field

[0001] The present invention relates to a gold wire protection device and a coupling assembly method, in particular to a gold wire protection device in a coupling process of an image intensifier and an optical detector and a coupling assembly method of the image intensifier and the optical detector. Background Art

[0002] Currently, coupling an image intensifier with an optical detector requires that the image intensifier's photocathode and the optical detector's photosensitive surface be as close as possible to each other. On the one hand, due to the structure and special assembly requirements, this process is a blind assembly, making it impossible to visually inspect the coupling process. On the other hand, to achieve a wide field of view and eliminate stray light interference, optical detectors are typically packaged in a Class 1 package, with the photosensitive surface being a bare wafer. The gold wire is directly exposed to the external environment, creating the potential for interference and contact with the gold wire during coupling and bonding. In severe cases, this can cause the wire to break, which can directly render the expensive optical detector useless, resulting in significant financial and time losses.

[0003] To prevent wire breakage during the coupling process, various coupling assembly methods have been adopted. The first involves controlling the mechanical precision of the entire coupling assembly, using a strict dimensional tolerance chain to constrain the photocathode within a controllable range. This approach can prevent wire breakage to a certain extent, but mechanical precision is limited by factors such as machine tools and materials. Furthermore, the more dimensional tolerance chains there are, the more difficult it is to control and meet requirements, thus failing to fundamentally resolve the problem. A second approach involves providing spare pads on the optical detector to quickly repair wire breakage when it occurs. This approach not only fails to fundamentally resolve the problem but also introduces issues such as excessive optical detector size due to the extra space occupied by the spare pads. Furthermore, this approach disrupts the coupling process during repair and incurs significant labor, material, and time costs for rework. A third approach involves improving worker proficiency, controlling the precision of tooling, tools, and equipment, and improving the accuracy of the assembly process. This approach is time-consuming, labor-intensive, and labor-intensive, and it cannot fundamentally resolve the problem technically, serving only as a management aid.

[0004] Therefore, it is very necessary to develop a gold wire protection device that can fundamentally avoid the breakage of the gold wire during the coupling process of the image intensifier and the optical detector. Summary of the Invention

[0005] The purpose of the present invention is to provide a gold wire protection device during the coupling process of an image intensifier and an optical detector and a coupling assembly method for the image intensifier and the optical detector, so as to solve the technical problem that the existing coupling assembly method cannot fundamentally avoid the breakage of the gold wire during the coupling process of the image intensifier and the optical detector.

[0006] The inventive concept of the present invention is to use a NAND gate circuit to electrically control a buzzer alarm to identify the action of touching the gold wire during the coupling process of the image intensifier and the optical detector, and then to stop the current coupling assembly action in time once the gold wire is touched, so as to achieve the purpose of protecting the gold wire.

[0007] In order to solve the above technical problems and complete the above inventive concept, the technical solution adopted by the present invention is:

[0008] A gold wire protection device for coupling an image intensifier with an optical detector has the following features:

[0009] Including protection device circuit, diagram suction cup and gold wire lead-out;

[0010] The protection device circuit includes a power supply VCC, a capacitor C2, a capacitor C1, a resistor R1, a resistor R4, a transistor Q2, a transistor Q3, a resistor R2, a resistor R3, a transistor Q1, a diode D1, a capacitor C3 and a buzzer BUZZER; the transistor Q2, the transistor Q3 and the transistor Q1 are all NPN transistors;

[0011] One end of the capacitor C2 is connected to the power supply VCC, and the other end is grounded; the capacitor C1 is connected in parallel to both ends of the capacitor C2; one end of the resistor R1 is grounded, and the other end is electrically connected to the image intensifier suction cup; the image intensifier suction cup is used to electrically connect the resistor R1 to the photocathode of the image intensifier;

[0012] One end of the resistor R4 is connected to the power supply VCC, and the other end is divided into two paths:

[0013] The first path is connected to the collector of the transistor Q2; the emitter of the transistor Q2 is connected to the collector of the transistor Q3, and the base and emitter of the transistor Q3 are both grounded; the base of the transistor Q2 is connected to the gold wire lead through the resistor R2; the gold wire lead is used to electrically connect the resistor R2 to the gold wire on the printed circuit board of the photosensitive surface of the optical detector;

[0014] The second path is connected to the base of the transistor Q1 through the resistor R3; the emitter of the transistor Q1 is grounded; the collector of the transistor Q1 is connected to the anode of the diode D1, and the cathode of the diode D1 is connected to the power supply VCC; one end of the capacitor C3 is connected between the cathode of the diode D1 and the power supply VCC, and the other end is grounded; the buzzer BUZZER is connected in parallel across the diode D1;

[0015] The protection device circuit is used to issue an alarm through the buzzer when the photocathode of the image intensifier touches the gold wire on the photosensitive surface printed circuit board of the optical detector.

[0016] Furthermore, in order to achieve rapid construction, timely interchange, and easy maintenance of the device, and improve installation and maintenance efficiency, the tooling of the photocathode is made of conductive material;

[0017] The image intensifier suction cup is a conductive magnetic suction male thread head; the conductive magnetic suction male thread head is used to cooperate with the conductive magnetic suction female thread head installed on the tooling of the photocathode to achieve electrical connection between the resistor R1 and the photocathode of the image intensifier;

[0018] The gold wire is led out as a conductive copper foil tape; the conductive copper foil tape is used to be pasted on the optical detector photosensitive surface printed circuit board to electrically connect the resistor R2 to the gold wire on the optical detector photosensitive surface printed circuit board.

[0019] Furthermore, it also includes a wire 1 and a wire 2;

[0020] The other end of the resistor R1 is electrically connected to the conductive magnetic threaded male connector through the wire 1;

[0021] The resistor R2 is electrically connected to the conductive copper foil tape via the second wire;

[0022] The first conductor and the conductive magnetic threaded male connector, as well as the second conductor and the conductive copper foil tape are connected by welding.

[0023] The first wire and the resistor R1, and the second wire and the resistor R2 are both electrically connected by circuit board welding.

[0024] Furthermore, in order to facilitate the assembly operation without making the suction force too large, the conductive magnetic suction thread male head is a 6mm conductive magnetic suction thread male head.

[0025] Furthermore, the capacitor C2, the capacitor C1 and the capacitor C3 are all multilayer ceramic capacitors;

[0026] The resistors R1, R4, R2 and R3 are all chip-type film fixed resistors.

[0027] Furthermore, the model of the capacitor C1 is CTK41-0603-2R1-50V-50K; the models of the capacitor C2 and the capacitor C3 are both CT41-0805-2R1-10V-100K;

[0028] The resistors R1 and R2 are both RMK1608MB3010F; the resistor R3 is RMK1608MB8075F; the resistor R4 is RMK1608MB1050F;

[0029] The transistors Q1, Q2 and Q3 are all of BC847C type.

[0030] The model of the diode D1 is ZMM3V3;

[0031] The model of the buzzer is HNB09A03.

[0032] At the same time, the present invention also provides a method for coupling and assembling an image intensifier and an optical detector, which uses the gold wire protection device in the coupling process of the image intensifier and the optical detector. The method is special in that it includes the following steps:

[0033] Step 1: Place the optical detector on the loading platform of the three-dimensional coordinate measuring machine. Install the image intensifier on the mobile working end of the three-dimensional coordinate measuring machine through the fixture. It should be located vertically above the optical detector, with its photocathode corresponding to the photosensitive surface of the optical detector. Connect the optical detector to the computer.

[0034] Step 2: electrically connecting the image intensifier suction cup to the photocathode of the image intensifier, and electrically connecting the gold wire to the gold wire on the photosensitive surface printed circuit board of the optical detector;

[0035] Step 3: Set the parameters on the coordinate measuring machine according to the assembly process requirements of the image intensifier and optical detector coupling;

[0036] Step 4: Operate the three-dimensional coordinate measuring machine to move the image intensifier downward until the photocathode of the image intensifier is in contact with the photosensitive surface of the optical detector. During this process, if the buzzer sounds an alarm, the image intensifier immediately stops moving downward and executes step 5. If the buzzer does not sound an alarm, skip steps 5 and 6 and execute step 7.

[0037] Step 5: Operate the three-dimensional coordinate measuring machine to move the image intensifier upward and back until the buzzer stops sounding;

[0038] Step 6: Operate the three-dimensional coordinate measuring instrument to translate the image intensifier in a horizontal plane until the photocathode of the image intensifier is offset from the position where the photocathode was located when the buzzer sounded the alarm the most recently. During this process, if the buzzer sounded the alarm, immediately stop translating the image intensifier and return to step 5. If the buzzer did not sound the alarm, return to step 4.

[0039] Step 7: Power on and observe whether a clear image appears on the computer screen;

[0040] If not, operate the three-dimensional coordinate measuring machine to move the image intensifier upward, try to translate the image intensifier in different directions in the horizontal plane, and then return to step 4; during the translation of the image intensifier, if the buzzer BUZZER sounds an alarm, stop translating the image intensifier immediately and return to step 5;

[0041] If so, the image intensifier is fixedly connected to the optical detector, and then removed from the coordinate measuring machine to complete the coupled assembly.

[0042] Furthermore, in step 4, the photocathode of the image intensifier and the photosensitive surface of the optical detector are fitted together, which means that the gap between them is less than or equal to 0.02 mm.

[0043] The beneficial effects of the present invention are:

[0044] (1) The gold wire protection device during the coupling process of the image intensifier and the optical detector of the present invention innovatively applies a feedback circuit to the protection of the gold wire during the coupling process of the image intensifier and the optical detector. It uses a NAND gate circuit, that is, a protection device circuit. Once the photocathode touches the gold wire, the NAND gate is turned on, driving the buzzer BUZZER to alarm, thereby stopping the current coupling assembly action, thereby achieving protection of the gold wire. The present invention solves the problem of gold wire breakage during the coupling process of the image intensifier and the optical detector from the underlying principle and logic, and can fundamentally avoid the occurrence of the problem of gold wire breakage during the coupling process of the image intensifier and the optical detector, so that the coupling of the image intensifier and the optical detector has been applied in engineering, the reliability and efficiency have also been improved, and the coupling quality can meet the design requirements. Therefore, the present invention solves the technical problem that the existing coupling assembly method cannot fundamentally avoid the breakage of the gold wire during the coupling process of the image intensifier and the optical detector.

[0045] (2) The gold wire protection device in the coupling process between the image intensifier and the optical detector of the present invention is controlled by a NAND gate circuit, i.e., a protection device circuit, with a voltage below 3V and a current below 5μA, which will not cause damage to components and the risk of "sneak path", and has high safety.

[0046] (3) The method for coupling and assembling an image intensifier and an optical detector of the present invention utilizes the conductivity of the entire coupling assembly and the tooling to achieve extremely fast electronic control response, improve the reaction speed, and realize instant protection.

[0047] (4) In the present invention, preferably, the conductive magnetic attraction is used to realize electrical connection with the photocathode of the image intensifier, and the conductive copper foil tape is used to realize electrical connection with the gold wire on the photosensitive surface printed circuit board of the optical detector, so that the device can be quickly built and replaced in time, and the installation and maintenance efficiency is high.

[0048] (5) When the method for coupling and assembling an image intensifier and an optical detector of the present invention is used, the assembly operation is convenient, easy to repair and disassemble, responsive, and protects the gold wire, while not requiring any additional steps. This improves the efficiency and quality of the coupling assembly process and expands the window for engineering applications of the coupling of image intensifiers and optical detectors in the field of optical technology.

[0049] (6) The present invention innovatively applies the method of triggering an alarm with a high level of a NAND gate to the photoelectric coupling process, thereby broadening the application field and process window of the coupling process. BRIEF DESCRIPTION OF THE DRAWINGS

[0050] Figure 1 1. FIG. 1 is a schematic diagram of a gold wire protection device embodiment (in the dotted box) during the coupling process of the image intensifier and the optical detector of the present invention, and its structural connection with the photocathode of the image intensifier and the gold wire on the photosensitive surface printed circuit board of the optical detector;

[0051] Figure 2 The present invention is a circuit diagram of a protection device circuit in an embodiment of a gold wire protection device during the coupling process of an image intensifier and an optical detector.

[0052] The descriptions of the numbers in the figure are as follows:

[0053] 1- three-dimensional coordinate measuring instrument, 2- wire 1, 3- image intensifier, 4- image intensifier suction cup, 5- photocathode, 6- optical detector, 7- photosensitive surface, 8- gold wire, 9- protection device circuit, 10- gold wire lead-out, 11- wire 2. DETAILED DESCRIPTION

[0054] The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

[0055] See also Figure 1 The present invention provides a gold wire protection device in the process of coupling an image intensifier and an optical detector, including a protection device circuit 9, an image intensifier suction cup 4 and a gold wire lead 10. Figure 1 The dotted box in the middle is a structural schematic diagram of an embodiment of a gold wire protection device during the coupling process of the image intensifier and the optical detector of the present invention.

[0056] See also Figure 2 The protection device circuit 9 includes a power supply VCC, capacitors C2 and C1, resistors R1 and R4, transistors Q2 and Q3, resistors R2 and R3, transistor Q1, diode D1, capacitor C3, and a buzzer. Transistors Q2, Q3, and Q1 are all NPN transistors.

[0057] See also Figure 2One end of the capacitor C2 is connected to the power supply VCC, and the other end is grounded; the capacitor C1 is connected in parallel across the capacitor C2; one end of the resistor R1 is grounded, and the other end is electrically connected to the image-increasing suction cup 4; the image-increasing suction cup 4 is used to electrically connect the resistor R1 to the photocathode 5 of the image intensifier 3. To facilitate rapid assembly, timely interchangeability, and easy maintenance of the device, thereby improving installation and maintenance efficiency, in this embodiment, the fixture for the photocathode 5 is made of a conductive material; the image-increasing suction cup 4 is a conductive magnetic male threaded connector; the conductive magnetic male threaded connector is used to mate with the conductive magnetic female threaded connector installed on the fixture for the photocathode 5 to electrically connect the resistor R1 to the photocathode 5 of the image intensifier 3. To facilitate assembly without excessive suction, in this embodiment, the conductive magnetic male threaded connector is preferably a 6mm conductive magnetic male threaded connector. The gold wire protection device in the coupling process of the image intensifier and the optical detector of this embodiment also includes a wire 1 2, and the other end of the above-mentioned resistor R1 is electrically connected to the conductive magnetic attraction male threaded connector through the wire 1 2; when connected, the wire 1 2 and the conductive magnetic attraction male threaded connector are conductively connected by welding, and the wire 1 2 and the resistor R1 are conductively connected by circuit board welding.

[0058] See also Figure 2 , one end of the resistor R4 is connected to the power supply VCC, and the other end is divided into two paths:

[0059] The first path is connected to the collector of transistor Q2; the emitter of transistor Q2 is connected to the collector of transistor Q3, and both the base and emitter of transistor Q3 are grounded. The base of transistor Q2 is connected to the aforementioned gold wire lead 10 via resistor R2. Gold wire lead 10 is used to electrically connect resistor R2 to the gold wire 8 on the photosensitive printed circuit board of optical detector 6. To enable rapid device construction, timely interchangeability, and ease of maintenance, improving installation and maintenance efficiency, in this embodiment, the aforementioned gold wire lead 10 is a conductive copper foil tape. The conductive copper foil tape is applied to the photosensitive printed circuit board of optical detector 6 to electrically connect resistor R2 to the gold wire 8 on the photosensitive printed circuit board of optical detector 6. The gold wire protection device during the coupling process between the image intensifier and the optical detector of this embodiment further includes a second wire 11, through which the resistor R2 and the conductive copper foil tape are electrically connected. During connection, the second wire 11 and the conductive copper foil tape are electrically connected by welding, and the second wire 11 and the resistor R2 are electrically connected by circuit board welding.

[0060] The second path is connected to the base of the transistor Q1 through the resistor R3; the emitter of the transistor Q1 is grounded; the collector of the transistor Q1 is connected to the anode of the diode D1, and the cathode of the diode D1 is connected to the power supply VCC; one end of the above-mentioned capacitor C3 is connected between the cathode of the diode D1 and the power supply VCC, and the other end is grounded; the above-mentioned buzzer BUZZER is connected in parallel across the diode D1.

[0061] The protective device circuit 9 is used to sound an alarm via the buzzer when the photocathode 5 of the image intensifier 3 contacts the gold wire 8 on the printed circuit board of the photosensitive surface of the optical detector 6. The operating principle of the protective device circuit 9 is as follows: a gold wire lead 10 is connected to the gold wire 8, a suction cup 4 is connected to the photocathode 5 of the image intensifier 3, a NAND gate circuit electrically controls the buzzer's operating state, and an external circuit protection is provided to prevent the gold wire 8 from being broken. When the gold wire 8 contacts the photocathode 5 of the image intensifier 3, the circuit loop is connected, triggering a high level in the circuit. The NAND gate diode D1 conducts, outputting a high level. The buzzer circuit receives this high level and triggers an alarm, reminding personnel to stop the image intensifier 3 immediately to prevent the photocathode 5 of the image intensifier 3 from further contacting the gold wire 8, which could break the gold wire and damage the optical detector 6.

[0062] In this embodiment, the capacitor C2, the capacitor C1 and the capacitor C3 are all multilayer ceramic capacitors; the resistors R1, the resistor R4, the resistor R2 and the resistor R3 are all chip film fixed resistors. In this embodiment, the models of the components in the protection device circuit 9 are as follows: the model of the capacitor C1 is CTK41-0603-2R1-50V-50K; the models of the capacitors C2 and C3 are both CT41-0805-2R1-10V-100K; the models of the resistors R1 and R2 are both RMK1608MB3010F; the model of the resistor R3 is RMK1608MB8075F; the model of the resistor R4 is RMK1608MB1050F; the models of the transistors Q1, Q2 and Q3 are all BC847C; the model of the diode D1 is ZMM3V3; the model of the buzzer is HNB09A03; the specific information of the components in the protection device circuit 9 is shown in Table 1:

[0063] Table 1:

[0064]

[0065]

[0066] At the same time, the present invention also provides a method for coupling and assembling an image intensifier and an optical detector, which uses the gold wire protection device in the coupling process of the image intensifier and the optical detector, and includes the following steps:

[0067] Step 1: Place the optical detector 6 on the loading platform of the coordinate measuring machine 1. Install the image intensifier 3 on the movable working end of the coordinate measuring machine 1 through a fixture, and position it vertically above the optical detector 6, with its photocathode 5 corresponding to the photosensitive surface 7 of the optical detector 6. Connect the optical detector 6 to the computer.

[0068] Step 2: Electrically connect the image intensifier suction cup 4 to the photocathode 5 of the image intensifier 3, and electrically connect the gold wire lead 10 to the gold wire 8 on the photosensitive surface printed circuit board of the optical detector 6;

[0069] Step 3: Setting the parameters on the coordinate measuring machine 1 according to the coupling assembly process requirements of the image intensifier 3 and the optical detector 6;

[0070] Step 4: Operate the three-dimensional coordinate measuring machine 1 to move the image intensifier 3 downward until the photocathode 5 of the image intensifier 3 is in contact with the photosensitive surface 7 of the optical detector 6, where contact means that the gap between the two is less than or equal to 0.02 mm. During this process, if the buzzer sounds an alarm, the image intensifier 3 immediately stops moving downward and step 5 is executed. If the buzzer does not sound an alarm, steps 5 and 6 are skipped and step 7 is executed.

[0071] Step 5: Operate the three-dimensional coordinate measuring machine 1 to move the image intensifier 3 upward and back until the buzzer stops sounding;

[0072] Step 6: Operate the three-dimensional coordinate measuring instrument 1 to translate the image intensifier 3 in the horizontal plane until the photocathode 5 of the image intensifier 3 is offset from the position where the photocathode 5 was located when the buzzer last sounded an alarm. During this process, if the buzzer sounds an alarm, immediately stop translating the image intensifier 3 and return to step 5. If the buzzer does not sound an alarm, return to step 4.

[0073] Step 7: Turn on the power and observe whether a clear image appears on the computer screen. A clear image means that the image is not blurry and can be seen by the naked eye.

[0074] If not, operate the three-dimensional coordinate measuring machine 1 to move the image intensifier 3 upward and back, try to translate the image intensifier 3 in different directions in the horizontal plane, and then return to step 4; during the translation of the image intensifier 3, if the buzzer BUZZER sounds an alarm, stop translating the image intensifier 3 immediately and return to step 5;

[0075] If so, the image intensifier 3 is fixedly connected to the optical detector 6 and then removed from the coordinate measuring machine 1 to complete the coupling assembly.

[0076] The above-mentioned method for coupling and assembling an image intensifier and an optical detector of the present invention is applied to the process of coupling a certain type of image intensifier and an optical detector in the aerospace field. In this embodiment, the model of the image intensifier 3 is GF7500XA, and the model of the optical detector 6 is GC02-2KTXZ-XD0. After testing and evaluation, it can meet the coupling assembly requirements and can effectively avoid the risk of damage to the gold wire 8 of the optical detector 6 during the coupling assembly process.

[0077] In summary, the gold wire protection device and method for coupling an image intensifier and an optical detector, as described herein, facilitate assembly and operation, easy maintenance and disassembly, and agile response during the coupling of an image intensifier and an optical detector. While protecting the gold wire, they also avoid requiring additional steps, thereby improving the efficiency and quality of the coupling assembly process. This invention innovatively applies the high-level triggering alarm method of a NAND gate to the photoelectric coupling process, broadening the application area and process window of the coupling process.

Claims

1. A gold wire protection device for coupling an image intensifier with an optical detector, characterized in that: It includes a protection device circuit (9), a suction cup (4) and a gold wire lead (10); The protection device circuit (9) includes a power supply VCC, a capacitor C2, a capacitor C1, a resistor R1, a resistor R4, a transistor Q2, a transistor Q3, a resistor R2, a resistor R3, a transistor Q1, a diode D1, a capacitor C3, and a buzzer BUZZER; the transistor Q2, the transistor Q3, and the transistor Q1 are all NPN transistors; One end of the capacitor C2 is connected to the power supply VCC, and the other end is grounded; the capacitor C1 is connected in parallel to both ends of the capacitor C2; one end of the resistor R1 is grounded, and the other end is electrically connected to the image intensifier sucker (4); the image intensifier sucker (4) is used to electrically connect the resistor R1 to the photocathode (5) of the image intensifier (3); One end of the resistor R4 is connected to the power supply VCC, and the other end is divided into two paths: The first path is connected to the collector of the transistor Q2; the emitter of the transistor Q2 is connected to the collector of the transistor Q3, and the base and emitter of the transistor Q3 are both grounded; the base of the transistor Q2 is connected to the gold wire lead (10) through the resistor R2; the gold wire lead (10) is used to electrically connect the resistor R2 to the gold wire (8) on the photosensitive surface printed circuit board of the optical detector (6); The second path is connected to the base of the transistor Q1 through the resistor R3; the emitter of the transistor Q1 is grounded; the collector of the transistor Q1 is connected to the anode of the diode D1, and the cathode of the diode D1 is connected to the power supply VCC; one end of the capacitor C3 is connected between the cathode of the diode D1 and the power supply VCC, and the other end is grounded; the buzzer BUZZER is connected in parallel across the diode D1; The protection device circuit (9) is used to issue an alarm through the buzzer when the photocathode (5) of the image intensifier (3) touches the gold wire (8) on the photosensitive surface printed board of the optical detector (6).

2. The gold wire protection device for coupling an image intensifier with an optical detector according to claim 1, characterized in that: The tooling of the photocathode (5) is made of conductive material; The image intensifier suction cup (4) is a conductive magnetic suction thread male head; the conductive magnetic suction thread male head is used to cooperate with the conductive magnetic suction thread female head installed on the tooling of the photocathode (5) to achieve electrical connection between the resistor R1 and the photocathode (5) of the image intensifier (3); The gold wire lead (10) is a conductive copper foil tape; the conductive copper foil tape is used to be pasted on the photosensitive surface printed circuit board of the optical detector (6) to achieve electrical connection between the resistor R2 and the gold wire (8) on the photosensitive surface printed circuit board of the optical detector (6).

3. The gold wire protection device for coupling an image intensifier with an optical detector according to claim 2, characterized in that: Also included are wire one (2) and wire two (11); The other end of the resistor R1 is electrically connected to the conductive magnetic threaded male head through the wire 1 (2); The resistor R2 is electrically connected to the conductive copper foil tape via the second wire (11); The first conductor (2) and the conductive magnetic threaded male head, and the second conductor (11) and the conductive copper foil tape are both connected by welding; The first conductor (2) and the resistor R1, and the second conductor (11) and the resistor R2 are both connected by circuit board welding.

4. The gold wire protection device for coupling an image intensifier with an optical detector according to claim 2, characterized in that: The conductive magnetic attraction threaded male head is a 6mm conductive magnetic attraction threaded male head.

5. The gold wire protection device for coupling an image intensifier with an optical detector according to any one of claims 1 to 4, characterized in that: The capacitors C2, C1 and C3 are all multilayer ceramic capacitors. The resistors R1, R4, R2 and R3 are all chip-type film fixed resistors.

6. The gold wire protection device for coupling an image intensifier with an optical detector according to claim 5, characterized in that: The model of the capacitor C1 is CTK41-0603-2R1-50V-50K; the models of the capacitors C2 and C3 are both CT41-0805-2R1-10V-100K; The resistors R1 and R2 are both RMK1608MB3010F; the resistor R3 is RMK1608MB8075F; the resistor R4 is RMK1608MB1050F; The transistors Q1, Q2 and Q3 are all of BC847C type. The model of the diode D1 is ZMM3V3; The model of the buzzer is HNB09A03.

7. A method for coupling and assembling an image intensifier and an optical detector, using the gold wire protection device during the coupling process of the image intensifier and the optical detector according to any one of claims 1 to 6, characterized in that: The following steps are involved: Step 1: Place the optical detector (6) on the loading platform of the three-dimensional coordinate measuring instrument (1), install the image intensifier (3) on the moving working end of the three-dimensional coordinate measuring instrument (1) through the tooling, and place it vertically above the optical detector (6), with its photocathode (5) corresponding to the photosensitive surface (7) of the optical detector (6), and connect the optical detector (6) to the computer; Step 2: electrically connecting the image intensifier suction cup (4) to the photocathode (5) of the image intensifier (3), and electrically connecting the gold wire lead (10) to the gold wire (8) on the photosensitive surface printed circuit board of the optical detector (6); Step 3: Setting parameters on the three-coordinate measuring machine (1) according to the coupling assembly process requirements of the image intensifier (3) and the optical detector (6); Step 4: operate the three-coordinate measuring instrument (1) to move the image intensifier (3) downward until the photocathode (5) of the image intensifier (3) is in contact with the photosensitive surface (7) of the optical detector (6); during this process, if the buzzer sounds an alarm, the image intensifier (3) immediately stops moving downward and step 5 is executed; if the buzzer does not sound an alarm, steps 5 and 6 are skipped and step 7 is executed; Step 5: operate the three-dimensional coordinate measuring machine (1) to move the image intensifier (3) upward and back until the buzzer stops sounding; Step 6: Operate the three-dimensional coordinate measuring instrument (1) to translate the image intensifier (3) in a horizontal plane until the photocathode (5) of the image intensifier (3) is offset from the position where the photocathode (5) was located when the buzzer sounded an alarm the most recently. During this process, if the buzzer sounded an alarm, immediately stop translating the image intensifier (3) and return to step 5. If the buzzer did not sound an alarm, return to step 4. Step 7: Power on and observe whether a clear image appears on the computer screen; If not, operate the three-dimensional coordinate measuring machine (1) to move the image intensifier (3) back upward, try to translate the image intensifier (3) in different directions in the horizontal plane, and then return to step 4; During the translation of the image intensifier (3), if the buzzer BUZZER sounds an alarm, the translation of the image intensifier (3) is immediately stopped and the process returns to step 5; If so, the image intensifier (3) is fixedly connected to the optical detector (6), and then removed from the three-coordinate measuring machine (1) to complete the coupling assembly.

8. The method for coupling and assembling an image intensifier and an optical detector according to claim 7, wherein: In step 4, the photocathode (5) of the image intensifier (3) and the photosensitive surface (7) of the optical detector (6) are fitted together, which means that the gap between the two is less than or equal to 0.02 mm.

Images