CN219610357U - Probe row fixing structure and testing device - Google Patents

Abstract

The utility model relates to a probe row fixing structure and a testing device, wherein the probe row fixing structure comprises a mounting frame and limiting pieces, the mounting frame is used for mounting probe rows, two ends of each limiting piece are respectively connected to two opposite side rods of the mounting frame along the width direction of each probe row, each limiting piece is provided with a limiting structure, and each limiting structure can be propped against two side surfaces of each probe row along the width direction. Therefore, when the probe row is fixed on the mounting frame, bending deformation is not easy to occur, so that the probe row can still be parallel to the main grid line on the battery piece after being fixed, and the EL detection precision is ensured.

Description

Probe row fixing structure and testing device

Technical Field

The utility model relates to the technical field of solar cell testing, in particular to a probe row fixing structure and a testing device.

Background

In the field of solar cell manufacturing, an EL (electroluminescence) test is commonly used to detect defects such as hidden cracks, fragments, cold joints, broken grids, and the like of a solar cell. Generally, an EL test system generally includes a probe power-on module, a stabilized power supply, an infrared camera, a display device, and the like. The probe power-on module mainly comprises a mounting bracket and a plurality of probe rows which are arranged on the mounting bracket in parallel, wherein each probe on the probe row is used for precisely pressing down each process point on the battery piece; the stabilized voltage power supply is used for supplying current to complete electrifying after the probe contacts with the process point; the battery piece emits light after being electrified, and an infrared camera is utilized to capture images of the battery piece; the display device displays the shot image on the display screen, so that the operator can check and judge the defect conveniently.

At present, as the size of the battery piece is larger, the length of the probe row is also longer. Because the probe row is generally made of resin or acrylic material, the flexibility is higher, and the condition such as bending or deformation appears easily because of pretension torsion when fixed to the overlength probe row, and then leads to the probe of probe row mid portion to deviate from the corresponding process point on the battery piece main grid line, influences the imaging quality in the EL detection, has reduced the EL detection's precision.

Disclosure of Invention

Accordingly, in order to solve the above-described problems, it is necessary to provide a probe row fixing structure and a test apparatus, which can effectively prevent bending or deformation of the probe row after mounting and ensure the EL detection accuracy.

A probe row fixing structure comprising: the mounting frame is used for mounting the probe row, two ends of the limiting piece are respectively connected to two side rods opposite to the mounting frame along the width direction of the probe row, the limiting piece is provided with a limiting structure, and the limiting structure can be propped against two side surfaces of the probe row along the width direction.

In the above-mentioned probe row fixing structure, the mounting frame is used for mounting the probe row, so that the probe row can be supported and fixed. Because the limiting part is provided with the limiting structure, the limiting structure can be propped against the two side surfaces of the probe row along the width direction, and the two ends of the limiting part are respectively connected with two opposite side rods of the mounting frame along the width direction of the probe row, so that the area, which is propped against the limiting structure, of the probe row can be subjected to two opposite propping forces, and the probe row with longer length is divided into two connected shorter stress sections, so that the probe row is not easy to bend and deform when being fixed on the mounting frame, and the probe row can still be parallel to the main grid line on the battery piece after being fixed, thereby ensuring the EL detection precision.

The technical scheme is further described as follows:

in one embodiment, the limiting member is a limiting strip, the limiting structure is a plurality of limiting clamping grooves formed in the limiting strip, and the limiting strip is clamped on each probe row through the plurality of limiting clamping grooves, so that the groove walls of the limiting clamping grooves are pressed against two corresponding side surfaces of the probe row along the width direction.

In one embodiment, the mounting frame comprises a first fixing seat, a second fixing seat and a side rod, the first fixing seat and the second fixing seat are oppositely arranged along the length direction of the side rod, the first fixing seat and the second fixing seat are respectively used for being connected with two ends of the probe row, the side rod is provided with two side rods and is connected between the first fixing seat and the second fixing seat, the limiting strip is located between the first fixing seat and the second fixing seat, and two ends of the limiting strip are respectively connected with two side rods.

In one embodiment, the probe row fixing structure further comprises locking pieces, the locking pieces are multiple, connecting portions are respectively arranged at two ends of the limiting strips, each connecting portion is correspondingly provided with the locking piece, and the connecting portions at two ends of the limiting strips are detachably connected to the two side rods through the corresponding locking pieces.

In one embodiment, the first fixing seat comprises a first base body and a first pressing strip, the first base body is provided with a plurality of first mounting grooves which are parallel, the first mounting grooves are used for accommodating one end of the probe row, and the first pressing strip is used for pressing the probe row into the first mounting grooves; the second fixing seat comprises a second base body and a second pressing strip, a plurality of parallel second mounting grooves are formed in the second base body, the second mounting grooves are respectively in one-to-one correspondence with the first mounting grooves, the second mounting grooves are used for accommodating the other ends of the probe rows, and the second pressing strip is used for pressing the probe rows in the second mounting grooves.

In one embodiment, the probe row fixing structure further comprises a first connecting piece and a second connecting piece, a first assembling hole is formed in the first pressing strip, the first connecting piece penetrates through the first assembling hole to be connected with the first base body, a second assembling hole is formed in the second pressing strip, and the second connecting piece penetrates through the second assembling hole to be connected with the second base body.

In one embodiment, the limiting members are provided with a plurality of limiting members, the limiting members are mounted on the mounting frame at intervals along the length direction of the probe row, and each limiting member is abutted against two lateral surfaces of each probe row along the width direction through a corresponding limiting structure.

In one embodiment, the limiting member is made of an aluminum alloy material.

In one embodiment, the mounting frame is made of an insulating material.

The utility model also provides a testing device, comprising: the probe row and the probe row fixing structure are characterized in that the probe row is provided with a plurality of probe rows and is installed in the installation frame in parallel, two ends of the limiting piece are respectively connected to two opposite side rods of the installation frame along the width direction of the probe row, and the limiting piece can be propped against two side surfaces of each probe row along the width direction through the limiting structure.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model.

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Moreover, the figures are not drawn to a 1:1 scale, and the relative sizes of various elements are merely exemplary in the figures, and are not necessarily drawn to true scale. In the drawings:

FIG. 1 is a schematic diagram of a testing apparatus according to an embodiment of the utility model.

FIG. 2 is a schematic diagram of a testing apparatus according to another embodiment of the present utility model.

FIG. 3 is a schematic diagram of a probe row fixing structure according to an embodiment of the utility model.

Fig. 4 is a schematic structural view of the limiting member in fig. 3.

Reference numerals illustrate:

10. a testing device; 100. a probe row fixing structure; 110. a mounting frame; 111. a side bar; 112. a first fixing seat; 1121. a first substrate; 11211. a first mounting groove; 1122. a first batten; 1123. a first fitting hole; 113. the second fixing seat; 1131. a second substrate; 1132. a second pressing bar; 1133. a second fitting hole; 120. a limiting piece; 121. a limit structure; 1211. a limit clamping groove; 122. a connection part; 200. and a probe row.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The present utility model may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the utility model, whereby the utility model is not limited to the specific embodiments disclosed below.

Referring to fig. 1 to 4, a probe row fixing structure 100 includes: mounting frame 110 and stopper 120. The mounting frame 110 is used to mount the probe row 200. Both ends of the stopper 120 are respectively connected to opposite side bars 111 of the mounting frame 110 in the width direction of the probe row 200. The limiting member 120 has a limiting structure 121, and the limiting structure 121 can be pressed against two lateral surfaces of the probe row 200 along the width direction.

In the above-described probe row fixing structure 100, the mounting frame 110 is used to mount the probe row 200 so that the probe row 200 can be supported and fixed. Because the limiting member 120 is provided with the limiting structure 121, the limiting structure 121 can be propped against two sides of the probe row 200 along the width direction, and two ends of the limiting member 120 are respectively connected to two opposite side rods 111 of the mounting frame 110 along the width direction of the probe row 200, so that the area, which is propped against the limiting structure 121, of the probe row 200 can be subjected to two opposite propping forces, and the probe row 200 with a longer length is separated into two connected shorter stress sections, therefore, when the probe row 200 is fixed on the mounting frame 110, bending deformation is not easy to occur, and the probe row 200 can still be kept parallel to a main grid line on a battery piece after being fixed, thereby ensuring EL detection precision.

Referring to fig. 3 and 4, in one embodiment, the limiting member 120 is a limiting strip. The limiting structure 121 is a plurality of limiting clamping grooves 1211 formed on the limiting strip. The limit strips are clamped on each probe row 200 through a plurality of limit clamping grooves 1211, so that the groove walls of each limit clamping groove 1211 are propped against two lateral surfaces of the corresponding probe row 200 along the width direction. The manner of directly clamping and pressing the two sides of the probe row 200 along the width direction through the limiting clamping groove 1211 can effectively improve the convenience of the limiting piece 120 in abutting and limiting the probe row 200.

Referring to fig. 1 to 4, in an embodiment, the mounting frame 110 includes a first fixing base 112, a second fixing base 113, and a side bar 111. The first fixing base 112 and the second fixing base 113 are disposed opposite to each other along the length direction of the side bar 111. And the first fixing base 112 and the second fixing base 113 are respectively connected to two ends of the probe row 200. The side bars 111 are provided with two and are connected between the first fixing base 112 and the second fixing base 113.

Specifically, the limiting bar is located between the first fixing base 112 and the second fixing base 113, and two ends of the limiting bar are respectively connected with the two side bars 111. The reliability of the limiting strip for the butt joint of the probe row 200 can be effectively improved by fixing the two ends of the limiting strip, and meanwhile, the phenomenon that the limiting strip slides along the length direction of the probe row 200 to collide with a probe on the probe row 200 can be avoided.

In one embodiment, the probe row fixing structure 100 further includes a locking member (not shown), and the locking member is provided in plurality. As shown in fig. 3 and 4, two ends of the limiting strip are respectively provided with a connecting portion 122, and each connecting portion 122 is correspondingly provided with a locking member. The connecting parts 122 at two ends of the limit bar are detachably connected to the two side bars 111 through corresponding locking pieces respectively.

Specifically, in this embodiment, the locking member is a locking screw, and the connecting portion 122 and the side bar 111 are respectively provided with threaded holes. Thus, when connected, the locking screw is screwed through the connecting portion 122 with the screw hole on the side lever 111.

Referring to fig. 1 and 3, in one embodiment, the first fixing base 112 includes a first base 1121 and a first bead 1122. The first base 1121 is provided with a plurality of first mounting grooves 11211 arranged in parallel, and the first mounting grooves 11211 are configured to receive one end of the probe row 200. The first beads 1122 are used to compress the probe row 200 into the first mounting groove 11211. The second fixing base 113 includes a second base 1131 and a second pressing bar 1132. The second base 1131 is provided with a plurality of parallel second mounting grooves, and the plurality of second mounting grooves are respectively in one-to-one correspondence with the plurality of first mounting grooves 11211. The second mounting groove is for receiving the other end of the probe row 200. The second pressing bar 1132 is used for pressing the probe row 200 into the second mounting groove.

Specifically, in the present embodiment, the probe row fixing structure 100 further includes a first connector (not shown in the drawing) and a second connector (not shown in the drawing). The first beads 1122 are provided with first fitting holes 1123, and the first connection members pass through the first fitting holes 1123 to be connected to the first base 1121. The second pressing strip 1132 is provided with a second assembly hole 1133, and the second connecting piece passes through the second assembly hole 1133 and is connected with the second base 1131.

Specifically, the first connecting piece and the second connecting piece are both connecting bolts or connecting screws.

When the probe row fixing structure 100 is used, two ends of the probe row 200 are inserted into the first mounting groove 11211 and the second mounting groove respectively, then the first pressing strip 1122 is placed on the first base body 1121, the second pressing strip 1132 is placed on the second base body 1131, then the limiting strips are clamped on the probe row 200 through the limiting clamping grooves 1211, two ends of the limiting strips are respectively fixed on the two side rods 111, finally the first connecting piece is inserted into the first assembling hole 1123 to realize the connection and the fixation of the first pressing strip 1122 and the first base body 1121, the second connecting piece is inserted into the second assembling hole 1133 to realize the connection and the fixation of the second pressing strip 1132 and the second base body 1131, and finally the fixing of the probe row 200 is realized.

In one embodiment, the plurality of limiting members 120 are provided, and the plurality of limiting members 120 are mounted on the mounting frame 110 at intervals along the length direction of the probe row 200. And each of the limiting members 120 is pressed against both lateral surfaces of each of the probe rows 200 in the width direction by a corresponding limiting structure 121. In this way, each probe row 200 can be simultaneously abutted and limited in a plurality of areas along the length direction thereof, so that the longer probe row 200 can be divided into a plurality of shorter stress sections which are sequentially connected, and the probability of bending deformation of the probe row 200 in the fixing process can be further reduced.

In one embodiment, the stop 120 is made of an aluminum alloy material. In this way, the quality of the probe row fixing structure 100 can be effectively reduced while ensuring good supporting strength of the limiting member 120.

In one embodiment, the mounting frame 110 is made of an insulating material.

Referring to fig. 1 and 2, the present utility model further provides a testing apparatus 10, including: probe row 200 and probe row fixing structure 100 as described above. The probe row 200 is provided in plurality and installed in parallel in the mounting frame 110. Both ends of the limiting member 120 are respectively connected to two opposite side bars 111 of the mounting frame 110 along the width direction of the probe rows 200, and the limiting member 120 can be pressed against two lateral sides of each probe row 200 along the width direction through the limiting structure 121.

Specifically, both ends of each probe row 200 are respectively fixed to the first fixing base 112 and the second fixing base 113.

In the description of the present utility model, it should be understood that, if any, these terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., are used herein with respect to the orientation or positional relationship shown in the drawings, these terms refer to the orientation or positional relationship for convenience of description and simplicity of description only, and do not indicate or imply that the apparatus or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model.

Furthermore, the terms "first," "second," and the like, if any, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the terms "plurality" and "a plurality" if any, mean at least two, such as two, three, etc., unless specifically defined otherwise.

In the present utility model, unless explicitly stated and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly. For example, the two parts can be fixedly connected, detachably connected or integrated; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, the meaning of a first feature being "on" or "off" a second feature, and the like, is that the first and second features are either in direct contact or in indirect contact through an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

It will be understood that if an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. If an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein, if any, are for descriptive purposes only and do not represent a unique embodiment.

The technical features of the above embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the claims. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims (10)

1. A probe row fixing structure, characterized by comprising: the probe row detection device comprises a mounting frame (110) and limiting pieces (120), wherein the mounting frame (110) is used for mounting a probe row (200), two ends of each limiting piece (120) are respectively connected to two side rods (111) opposite to the mounting frame (110) along the width direction of the probe row (200), each limiting piece (120) is provided with a limiting structure (121), and each limiting structure (121) can be abutted to two side surfaces of each probe row (200) along the width direction.

2. The probe row fixing structure according to claim 1, wherein the limiting member (120) is a limiting bar, the limiting structure (121) is a plurality of limiting clamping grooves (1211) formed in the limiting bar, and the limiting bar is clamped on each probe row (200) through the plurality of limiting clamping grooves (1211), so that groove walls of each limiting clamping groove (1211) are pressed against two sides of the corresponding probe row (200) along the width direction.

3. The probe row fixing structure according to claim 2, wherein the mounting frame (110) comprises a first fixing seat (112), a second fixing seat (113) and side rods (111), the first fixing seat (112) and the second fixing seat (113) are oppositely arranged along the length direction of the side rods (111), the first fixing seat (112) and the second fixing seat (113) are respectively used for being connected to two ends of the probe row (200), the side rods (111) are provided with two side rods and are both connected between the first fixing seat (112) and the second fixing seat (113), the limit bars are located between the first fixing seat (112) and the second fixing seat (113), and two ends of the limit bars are respectively connected to the two side rods (111).

4. A probe row fixing structure according to claim 3, further comprising a plurality of locking members, wherein connecting portions (122) are respectively arranged at two ends of the limiting bar, each connecting portion (122) is correspondingly provided with the locking member, and the connecting portions (122) at two ends of the limiting bar are detachably connected to the two side bars (111) through the corresponding locking members.

5. A probe row fixing structure according to claim 3, wherein the first fixing base (112) comprises a first base body (1121) and a first pressing strip (1122), a plurality of first mounting grooves (11211) are formed in the first base body (1121) in parallel, the first mounting grooves (11211) are used for accommodating one ends of the probe row (200), and the first pressing strip (1122) is used for pressing the probe row (200) into the first mounting grooves (11211); the second fixing base (113) comprises a second base body (1131) and a second pressing strip (1132), a plurality of parallel second mounting grooves are formed in the second base body (1131), the second mounting grooves are respectively in one-to-one correspondence with the first mounting grooves (11211), the second mounting grooves are used for accommodating the other ends of the probe rows (200), and the second pressing strip (1132) is used for pressing the probe rows (200) in the second mounting grooves.

6. The probe row fixing structure according to claim 5, further comprising a first connecting piece and a second connecting piece, wherein a first assembling hole (1123) is formed in the first pressing strip (1122), the first connecting piece passes through the first assembling hole (1123) to be connected with the first base body (1121), a second assembling hole (1133) is formed in the second pressing strip (1132), and the second connecting piece passes through the second assembling hole (1133) to be connected with the second base body (1131).

7. The probe row fixing structure according to any one of claims 1 to 6, wherein a plurality of the stoppers (120) are provided, and a plurality of the stoppers (120) are mounted on the mounting frame (110) at intervals along the length direction of the probe row (200), and each of the stoppers (120) is pressed against both sides of each of the probe rows (200) in the width direction by the corresponding stopper structure (121).

8. The probe row fixing structure according to any one of claims 1 to 6, wherein the stopper (120) is made of an aluminum alloy material.

9. The probe row fixing structure according to any one of claims 1 to 6, wherein the mounting frame (110) is made of an insulating material.

10. A test device, comprising: probe row (200) and the probe row fixed knot of any one of claims 1-9 constructs, probe row (200) are equipped with a plurality ofly and install side by side in installing frame (110), the both ends of locating part (120) are followed the width direction of probe row (200) are connected respectively on installing frame (110) opposite both sides pole (111), just locating part (120) can support through limit structure (121) at every probe row (200) are followed on the both sides face of width direction.