Lens module focusing device

By using a lens module focusing device to detect and adjust the focal length on a clamping fixture, the defect rate problem caused by high precision requirements in traditional assembly is solved, achieving efficient lens module assembly and reducing the defect rate.

CN223717580UActive Publication Date: 2025-12-26SHENZHEN ZHIHONG AUTOMATION TECH CO LTD
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Patent Information

Application Number
CN202520221642.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-11
Publication Date
2025-12-26
Estimated Expiration
2035-02-11

AI Technical Summary

Technical Problem

In the traditional lens module assembly process, high dimensional accuracy is required. Even small errors can lead to poor sensor quality, and existing technologies are unable to effectively reduce the production defect rate.

Method used

A lens module focusing device is provided, including a feeding, conveying, testing, dispensing and curing device. The focal length is detected and adjusted on a clamping fixture, and the module is assembled after passing the adjustment. The dispensing and curing device is used to fix and cure the module.

Benefits of technology

This significantly reduced the defect rate of lens modules, improved assembly accuracy and efficiency, and lowered the defect rate.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of sensor focusing, in particular to lens module focusing equipment, which comprises a feeding device, a transfer device, a detection device, a dispensing device, a curing device and a discharging device, and is characterized in that the feeding device comprises a lens tray, a module tray and a feeding sliding mechanism; the transfer device transfers the lens on the lens tray and the carrier on the module tray to the detection device; the detection device comprises a clamping jig, a detection mechanism and an adjusting mechanism, the clamping jig is used for clamping the module transferred by the transfer device, the detection mechanism is used for detecting the focal length of a lens mounting position transferred by the transfer device, and the adjusting mechanism is used for adjusting the mounting position of the lens; the dispensing device is used for dispensing and fixing the lens which is qualified in focusing; the curing device is used for quickly curing the glue on the lens; the discharging device comprises a discharging mechanical arm and a material receiving tray, the discharging mechanical arm is located on one side of the detection device, and the discharging mechanical arm transfers the cured lens module to the material receiving tray to be collected.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of sensor focusing, in particular to a lens module focusing equipment. BACKGROUND

[0002] The laser sensor generally includes a laser emitter, a transmitting end lens, a receiving end lens, a photosensitive chip and an information processing system, wherein the transmitting end lens is aligned with the laser emitter to adjust the optical performance of the outgoing laser through the receiving end lens, the receiving end lens is aligned with the photosensitive chip to receive and optically process the laser pulse beam emitted back from the measured target and radiate to the photosensitive chip. Then, the electrical signal obtained by the photosensitive chip is sent to the information processing system to post-process the collected optical information and display the information feedback we need.

[0003] The lens module composed of the receiving end lens and the transmitting end lens is an important device for optical pulse emission and reception in the laser sensor, and the performance parameters directly affect the accuracy of the sensor. Specifically, as an important component of the sensor, the lens module not only affects the optical performance of the outgoing laser and the received laser, but also has a great influence on the installation and debugging of the photosensitive chip in the information processing system.

[0004] In the process of assembling and debugging the traditional receiving end lens and transmitting end lens, the lenses are directly installed on the lens carrier according to the preset size precision to complete the assembly and production of the sensor, and then the installed sensor is detected to screen out unqualified products. The traditional lens module assembly and production method requires high size precision and assembly process, and small errors can easily lead to poor quality of the sensor. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a lens module focusing equipment, which first performs focal length debugging on the lens module, and then performs assembly and production after the debugging is qualified, greatly reducing the failure rate of the module lens and solving the problems in the above background technology.

[0006] In order to achieve the above object, the utility model provides a technical scheme which adopts a lens module focusing equipment, which comprises a feeding device, a transfer device, a detection device, a dispensing device, a curing device and a discharging device, the feeding device comprises a lens tray, a module tray and a feeding sliding mechanism, the lens tray and the module tray are both slidingly connected to the feeding sliding mechanism; the transfer device is arranged on one side of the feeding device, and the transfer device transfers the lens on the lens tray and the carrier on the module tray to the detection device; the detection device comprises a clamping jig, a detection mechanism and an adjusting mechanism, the clamping jig clamps the module transferred by the transfer device, the detection mechanism detects the focal length of the lens mounting position transferred by the transfer device, and the adjusting mechanism adjusts the lens mounting position; the dispensing device is arranged on one side of the detection device, and the dispensing device fixes the lens after focusing by dispensing; the curing device is arranged on one side of the detection device, and the curing device rapidly cures the glue on the lens; the discharging device comprises a discharging manipulator and a receiving tray, the discharging manipulator is located on one side of the detection device, and the discharging manipulator transfers the cured lens module to the receiving tray for collection.

[0007] Further, the feeding sliding mechanism comprises a feeding driving motor and a feeding sliding rail, the feeding sliding rail is arranged along the Y-axis direction, and the lens tray and the module tray are both slidingly connected to the feeding sliding rail.

[0008] Further, the transfer device comprises a transfer sliding rail, a lifting driving assembly and a transfer clamping jaw, the transfer sliding rail is arranged along the X-axis direction, the lifting driving assembly and the transfer clamping jaw slide along the transfer sliding rail, the lifting driving assembly comprises a lifting driving part and a lifting sliding rail, the lifting sliding rail is arranged along the Z-axis direction, and the lifting driving part drives the transfer clamping jaw to slide along the lifting sliding rail.

[0009] Further, the dispensing device comprises a dispensing cylinder and an adjusting mechanism, the dispensing cylinder is provided with a dispensing needle head at the end, the dispensing needle head can spray glue, and the adjusting mechanism adjusts the position of the dispensing cylinder.

[0010] Further, the adjusting mechanism comprises a horizontal adjusting assembly, the horizontal adjusting assembly comprises a horizontal sliding rail and a horizontal driving part, the dispensing cylinder comprises a fixed seat, and the horizontal driving part drives the fixed seat to slide along the horizontal sliding rail.

[0011] Further, the adjusting mechanism comprises a rotating adjusting assembly, the dispensing cylinder comprises a rotating seat and a cylinder body, the rotating seat is fixed with the cylinder body, the rotating seat is rotationally connected to the fixed seat, and the rotating adjusting assembly drives the rotating seat to rotate.

[0012] Further, the glue dispensing device further comprises a glue wiping mechanism, the glue wiping mechanism comprises a wiping cylinder, a connecting plate and a wiping head, the wiping cylinder drives the wiping head to slide along the connecting plate, and the wiping head can abut against the glue dispensing needle.

[0013] Further, the curing device adopts a UV lamp.

[0014] Further, the clamping jig comprises a jig base, a clamping jaw assembly, a probe assembly and a side pushing assembly, the jig base is provided with a detection position, the detection position is provided with a groove, the clamping jaw assembly is provided on both sides of the detection position, the probe assembly comprises an energized probe and a lifting slide, the energized probe is fixed on the lifting slide, the lifting slide is slidingly connected to the groove, and the side pushing mechanism drives the lifting slide to lift.

[0015] Further, the side pushing mechanism is arranged on one side of the jig base, and the side pushing mechanism cooperates with the clamping jaw assembly to press the energized position of the module to the energized probe.

[0016] The beneficial effects of the utility model lie in:

[0017] 1. The transfer device transfers the lens and the carrier to the clamping jig, the detection mechanism and the adjusting mechanism cooperate with the clamping jig to install and adjust the lens to the specified position of the carrier, then the glue dispensing device dispenses glue on the lens after focusing, the curing device cures the glue on the lens quickly, and the blanking manipulator moves the produced lens module to the material collecting tray for collection, thereby completing the lens module focusing and assembling process. In the application, the lens module is debugged on the clamping jig through the detection device, and then assembled and produced through the glue dispensing device, the curing device and the blanking device. Compared with the traditional production and detection mode, the lens module focusing equipment in the application greatly reduces the production failure rate of the module lens.

[0018] 2. The adjusting mechanism comprises a rotating adjusting assembly, the glue dispensing cylinder comprises a rotating seat and a cylinder body, the rotating seat is fixed with the cylinder body, the rotating seat is rotationally connected to the fixed seat, and the rotating adjusting assembly drives the rotating seat to rotate. The rotating adjusting assembly is arranged to drive the glue dispensing cylinder to rotate, so that the position of the glue dispensing needle is adjusted, and the lens at different positions is conveniently dispensed and fixed.

[0019] 3. The glue dispensing device further comprises a glue wiping mechanism, the glue wiping mechanism comprises a wiping cylinder, a connecting plate and a wiping head, the wiping cylinder drives the wiping head to slide along the connecting plate, and the wiping head can abut against the glue dispensing needle. After the glue dispensing needle dispenses glue, part of the glue is easily left, in order to avoid the excess glue from flowing and dripping, the wiping head is arranged to wipe the glue dispensing needle in time, and the excess glue is wiped off. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the specific embodiments of the present application or the technical solutions in the prior art, the following will briefly introduce the drawings needed to be used in the specific embodiments or the prior art description. Obviously, the drawings described below are some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor on the basis of these drawings.

[0021] Figure 1 The whole structure schematic diagram of the lens module focusing equipment provided by the embodiment of the present application is shown in the figure.

[0022] Figure 2 The whole structure schematic diagram of the feeding device adopted by the lens module focusing equipment provided by the embodiment of the present application is shown in the figure.

[0023] Figure 3 The whole structure schematic diagram of the moving device adopted by the lens module focusing equipment provided by the embodiment of the present application is shown in the figure.

[0024] Figure 4 The whole structure schematic diagram of the detection device adopted by the lens module focusing equipment provided by the embodiment of the present application is shown in the figure.

[0025] Figure 5 The whole structure schematic diagram of the clamping jig adopted by the lens module focusing equipment provided by the embodiment of the present application is shown in the figure.

[0026] Figure 6 The whole structure schematic diagram of the dispensing device adopted by the lens module focusing equipment provided by the embodiment of the present application is shown in the figure.

[0027] Explanation of reference signs:

[0028] 10, feeding device 11, lens tray 12, module tray 13, feeding sliding mechanism; 131, feeding driving motor; 132, feeding sliding rail; 20, moving device; 21, moving sliding rail; 22, lifting driving assembly 221, lifting driving part 222, lifting sliding rail 23, moving clamping jaw 30, detection device; 31, clamping jig; 311, jig base; 312, clamping jaw assembly; 313, probe assembly; 314, side pushing assembly; 32, detection sliding rail; 40, dispensing device; 41, dispensing cylinder; 411, dispensing needle; 412, fixing seat; 413, rotating seat; 414, cylinder body; 42, adjusting mechanism; 421, horizontal sliding rail; 422, horizontal driving part; 423, rotating adjusting assembly; 43, wiping mechanism; 431, wiping cylinder; 432, connecting plate; 433, wiping head; 50, curing device; 60, discharging device; 61, discharging manipulator; 62, receiving tray. DETAILED DESCRIPTION

[0029] The technical solutions of the present application will be described clearly and completely in combination with the drawings. Obviously, the described embodiments are some of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0030] In the description of the present application, it should be noted that the directions or position relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like are based on the directions or position relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular direction, be constructed and operated in a particular direction, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0031] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integral connection; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through intermediate medium, or the communication between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0032] In addition, the technical features involved in the different embodiments of the present application described below can be combined with each other as long as there is no conflict.

[0033] The utility model provides a lens module focusing equipment, including feeding device 10, removal device 20, detection device 30, point gum device 40, solid telephone device and unloading device 60, feeding device 10 includes lens tray 11, module tray 12 and feeding sliding mechanism 13, and lens tray 11 and module tray 12 are all slidingly connected in feeding sliding mechanism 13, removal device 20 is located one side of feeding device 10, and removal device 20 removes the lens on lens tray 11 and removes the carrier on module tray 12 to detection device 30, detection device 30 includes clamping fixture 31, detection slide rail 32, detection mechanism and adjusting mechanism 42, and clamping fixture 31 clamps the module that removal device 20 removes, and detection mechanism carries out focal length detection to the lens mounting position that removal device 20 removes, and adjusting mechanism 42 adjusts the mounting position of lens, point gum device 40 is located one side of detection device 30, and point gum device 40 carries out point gum fixation to the lens that focuses qualified, solidification device 50 is located one side of detection device 30, and solidification device 50 carries out quick solidification to the glue on lens, and unloading device 60 includes unloading manipulator 61 and receiving tray 62, and unloading manipulator 61 is located one side of detection device 30, and unloading manipulator 61 removes the lens module after solidification to receiving tray 62 and collects.

[0034] Removal device 20 removes lens and carrier to clamping fixture 31, and clamping fixture 31 slides on detection slide rail 32 and realizes position adjustment, and detection mechanism and adjusting mechanism 42 cooperate with clamping fixture 31, and install detection and adjust lens to the specified position of carrier, then point gum device 40 carries out point gum fixation to the lens that focuses qualified, solidification device 50 carries out quick solidification to the glue on lens, and unloading manipulator 61 removes the lens module of production to receiving tray 62 and collects, and thus completes lens module focusing assembly process.

[0035] Specifically, the feeding sliding mechanism 13 comprises a feeding driving motor 131 and a feeding sliding rail 132, the feeding sliding rail 132 is arranged along the Y-axis direction, and the lens tray 11 and the module tray 12 are both slidingly connected to the feeding sliding rail 132. The feeding sliding rail 132 is arranged along the Y-axis direction, the lens tray 11 and the module tray 12 are arranged side by side and are both slidingly connected to the feeding sliding rail 132, and the feeding driving motor 131 can drive the lens tray 11 and the module tray 12 to slide along the feeding sliding rail 132 for position adjustment. The transfer device 20 comprises a transfer sliding rail 21, a lifting driving assembly 22 and a transfer clamp jaw 23, the transfer sliding rail 21 is arranged along the X-axis direction, the lifting driving assembly 22 and the transfer clamp jaw 23 slide along the transfer sliding rail 21, the lifting driving assembly 22 comprises a lifting driving member 221 and a lifting sliding rail 222, the lifting sliding rail 222 is arranged along the Z-axis direction, and the lifting driving member 221 drives the transfer clamp jaw 23 to slide along the lifting sliding rail 222. According to actual use requirements, the transfer clamp jaw 23 can be provided as two groups, which are a lens clamp jaw and a module clamp jaw respectively, the lens clamp jaw is specially used for clamping a lens, and the module clamp jaw is specially used for clamping a module.

[0036] Further, the clamping jig 31 comprises a jig base 311, a clamp jaw assembly 312, a probe assembly 313 and a side pushing assembly 314, the jig base 311 is provided with a detection position, the detection position is provided with a groove, the clamp jaw assembly 312 is provided in two groups and is arranged on both sides of the detection position respectively, the probe assembly 313 comprises a power-on probe and a lifting sliding block, the power-on probe is fixed on the lifting sliding block, the lifting sliding block is slidingly connected to the groove, and the side pushing mechanism drives the lifting sliding block to lift.

[0037] Specifically, the side pushing mechanism is arranged on one side of the jig base 311, and the side pushing mechanism cooperates with the clamp jaw assembly 312 to press the power-on position of the module to the power-on probe. The clamp jaw assembly 312 first clamps the carrier, the side pushing mechanism drives the lifting sliding block to lift and cooperates with the clamp jaw assembly 312 to press the power-on position of the carrier to the power-on probe. At this time, the transfer clamp jaw 23 can clamp the lens and transfer the lens to the carrier for synchronous debugging until the lens module on the jig base 311 meets the test requirements, and then the lens is glued and packaged to complete the production of the lens module.

[0038] Further, the dispensing device 40 comprises a dispensing cylinder 41 and an adjusting mechanism 42, the dispensing cylinder 41 is provided at the end with a dispensing needle head 411, the dispensing needle head 411 can spray glue, and the adjusting mechanism 42 adjusts the position of the dispensing cylinder 41.

[0039] Specifically, the adjusting mechanism 42 comprises a horizontal adjusting assembly including a horizontal sliding rail 421 and a horizontal driving member 422, the dispensing cylinder 41 comprises a fixing seat 412, and the horizontal driving member 422 drives the fixing seat 412 to slide along the horizontal sliding rail 421. The adjusting mechanism 42 comprises a rotating adjusting assembly 423, the dispensing cylinder 41 comprises a rotating seat 413 and a cylinder body 414, the rotating seat 413 is fixed with the cylinder body 414, the rotating seat 413 is rotationally connected to the fixing seat 412, and the rotating adjusting assembly 423 drives the rotating seat 413 to rotate. The horizontal adjusting assembly and the rotating adjusting assembly 423 are arranged to drive the dispensing cylinder 41 to move and rotate, so as to adjust the position of the dispensing needle head 411, thereby facilitating dispensing and fixing of lenses at different positions. The dispensing device 40 further comprises a wiping mechanism 43, the wiping mechanism 43 comprises a wiping air cylinder 431, a connecting plate 432 and a wiping head 433, the wiping air cylinder 431 drives the wiping head 433 to slide along the connecting plate 432, and the wiping head 433 can abut against the dispensing needle head 411. After the dispensing needle head 411 completes dispensing, part of glue liquid is easily left, in order to avoid the extra glue liquid from flowing and dripping, the wiping head 433 is arranged to wipe the dispensing needle head 411 in time and wipe off the extra glue liquid. In the embodiment, the wiping head 433 adopts a sponge, and the sponge is used to wipe the glue liquid by adsorption. The sponge of the wiping head 433 can be replaced after being used for a certain period of time.

[0040] Further, the curing device 50 adopts a UV lamp, and the principle of UV lamp curing is to use the energy of ultraviolet light to initiate a chemical reaction, so that the liquid glue or coating is rapidly cured in a short time. When the glue or coating is exposed to the UV light source, the energy of ultraviolet light will decompose the photoinitiator in the glue, generating active substances such as free radicals or cations. These active substances will react with monomers or prepolymers in the glue to form a crosslinked network, thereby rapidly curing the glue or coating.

[0041] The method for using the lens module focusing device in the embodiment is as follows:

[0042] The transfer device 20 first transfers the carrier to the clamping jig 31, and after the carrier is connected to the power supply probe, the transfer device 20 clamps the lens and transfers the lens to the carrier while debugging. The detection mechanism and the adjusting mechanism 42 cooperate with the clamping jig 31, until the lens module on the clamping jig 31 meets the test requirements, then the dispensing device 40 fixes the lens after focusing, the curing device 50 quickly cures the glue on the lens, the unloading manipulator 61 moves the completed lens module to the collection tray 62 for collection, thus completing the lens module focusing and assembling process. In this application, through the detection device 30, the lens module is debugged on the clamping jig 31 first, and then assembled and produced through the dispensing device 40, the curing device 50 and the unloading device 60. Compared with the traditional production and detection mode, the lens module focusing equipment in this application greatly reduces the production failure rate of the module lens.

[0043] The embodiments of the specific implementation are the preferred embodiments of the utility model, not limited to the protection scope of the utility model, so: all equivalent changes made according to the structure, shape, principle of the utility model should be covered in the protection scope of the utility model.

Claims

1. A lens module focusing apparatus, characterized by, Include: The feeding device (10) includes a lens tray (11), a module tray (12) and a feeding sliding mechanism (13), the lens tray (11) and the module tray (12) are both slidingly connected to the feeding sliding mechanism (13); The transfer device (20) is arranged on one side of the feeding device (10), and the transfer device (20) transfers the lens on the lens tray (11) and the carrier on the module tray (12) to the detection device (30); The detection device (30) includes a clamping jig (31), a detection mechanism and an adjusting mechanism (42), the clamping jig (31) clamps the module transferred by the transfer device (20), the detection mechanism detects the focal length of the lens mounting position transferred by the transfer device (20), and the adjusting mechanism (42) adjusts the mounting position of the lens; The dispensing device (40) is arranged on one side of the detection device (30), and the dispensing device (40) dispenses glue to fix the lens after focusing; The curing device (50) is arranged on one side of the detection device (30), and the curing device (50) rapidly cures the glue on the lens; The discharging device (60) includes a discharging manipulator (61) and a receiving tray (62), the discharging manipulator (61) is located on one side of the detection device (30), and the discharging manipulator (61) transfers the cured lens module to the receiving tray (62) for collection. 2.The lens module focusing device of claim 1, wherein, The feeding sliding mechanism (13) includes a feeding drive motor (131) and a feeding sliding rail (132), the feeding sliding rail (132) is arranged along the Y-axis direction, and the lens tray (11) and the module tray (12) are both slidingly connected to the feeding sliding rail (132). 3.The lens module focusing device of claim 2, wherein, The transfer device (20) includes a transfer sliding rail (21), a lifting drive assembly (22) and a transfer clamp jaw (23), the transfer sliding rail (21) is arranged along the X-axis direction, the lifting drive assembly (22) and the transfer clamp jaw (23) slide along the transfer sliding rail (21), the lifting drive assembly (22) includes a lifting drive member (221) and a lifting sliding rail (222), the lifting sliding rail (222) is arranged along the Z-axis direction, and the lifting drive member (221) drives the transfer clamp jaw (23) to slide along the lifting sliding rail (222). 4.The lens module focusing device of claim 3, wherein, The dispensing device (40) includes a dispensing cylinder (41) and an adjusting mechanism (42), the dispensing cylinder (41) is provided with a dispensing needle (411) at the end, the dispensing needle (411) can spray glue, and the adjusting mechanism (42) adjusts the position of the dispensing cylinder (41). 5.The lens module focusing device of claim 4, wherein, The adjusting mechanism (42) includes a horizontal adjusting assembly, the horizontal adjusting assembly includes a horizontal sliding rail (421) and a horizontal drive member (422), the dispensing cylinder (41) includes a fixed seat (412), and the horizontal drive member (422) drives the fixed seat (412) to slide along the horizontal sliding rail (421). 6.The lens module focusing device of claim 5, wherein, The adjusting mechanism (42) comprises a rotation adjusting assembly (423), the glue dispensing cylinder (41) comprises a rotating base (413) and a cylinder body (414), the rotating base (413) is fixed with the cylinder body (414), the rotating base (413) is rotationally connected with the fixed base (412), and the rotation adjusting assembly (423) drives the rotating base (413) to rotate. 7.The lens module focusing device of claim 4, wherein, The glue dispensing device (40) further comprises a glue wiping mechanism (43), the glue wiping mechanism (43) comprises a wiping cylinder (431), a connecting plate (432) and a wiping head (433), the wiping cylinder (431) drives the wiping head (433) to slide along the connecting plate (432), and the wiping head (433) can abut against the glue dispensing needle head (411). 8.The lens module focusing device of claim 7, wherein, The curing device (50) adopts a UV lamp. 9.The lens module focusing device of claim 1, wherein, The clamping jig (31) comprises a jig base (311), a clamping jaw assembly (312), a probe assembly (313) and a side pushing assembly (314), the jig base (311) is provided with a detection position, the detection position is provided with a groove, the clamping jaw assembly (312) is provided on both sides of the detection position, the probe assembly (313) comprises an electrified probe and a lifting sliding block, the electrified probe is fixed on the lifting sliding block, the lifting sliding block is slidingly connected with the groove, and the side pushing assembly drives the lifting sliding block to lift. 10.The lens module focusing device of claim 9, wherein, The side pushing assembly is arranged on one side of the jig base (311), and the side pushing assembly cooperates with the clamping jaw assembly (312) to press the electrified position of a module to the electrified probe.