CN217404325U - Crystal detection device - Google Patents

Abstract

A crystal detection apparatus, comprising: the detection box is provided with a detection inner cavity, and the side wall of the detection inner cavity is provided with an opening; the fixed seat is detachably arranged in the detection inner cavity; the crystal clamping groove is arranged on the fixed seat and is used for bearing the crystal to be detected; and the connecting unit penetrates through the detection box and is electrically connected with the crystal clamping groove. Through taking the fixing base out from the detection box, will wait to detect the crystal and put into the crystal draw-in groove on the fixing base, push the fixing base into the detection box again, make and wait to detect the crystal and pass through crystal draw-in groove and linkage unit electric connection to further be connected to the mainboard through linkage unit, the completion is treated the function detection of detecting the crystal, detects and has taken the fixing base out promptly, and the change is waited to detect the crystal, pushes the fixing base and detects once more. Make when needs detect a plurality of crystals that wait to detect simultaneously, need not to carry out the work that will wait to detect the crystal and weld on the mainboard and dismantle many times, realized that convenient, quick replacement wait to detect the purpose of crystal, very big improvement detection efficiency.

Description

Crystal detection device

Technical Field

The utility model belongs to intelligence wearing equipment field, concretely relates to crystal detection device.

Background

With the continuous development of science and technology, people have continuously improved requirements on intelligent wearing performance, for example, 26.000MHz crystals are used for various positioning products such as child watch mobile phones and the like, the crystals are mainly used for positioning, the number of the 26.000MHz crystals in the market is too many, and a good product can debug and verify various 26.000MHz crystals.

In order to guarantee to detect crystal practical effect, all need go on in the open air to the detection of these crystals, and general debugging in earlier stage or later stage verify that the function detects time measuring crystal all need weld on the mainboard, and the machine of tearing open is troublesome, requires that welding technique is high, takes time, because when the machine of tearing open installation conductive cloth, electrically conductive bubble are cotton, loudspeaker cycloid mode etc. hardly guarantee the uniformity, can direct influence test effect like this, can not accurately judge which crystal the effect is the best.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a crystal detection device, crystal detection device has solved a plurality of problems that need frequently weld and dismantle when treating the detection crystal of test.

According to the utility model discloses crystal detection device, include:

the detection box is provided with a detection inner cavity, and the side wall of the detection inner cavity is opened;

the fixing seat is detachably arranged in the detection inner cavity;

the crystal clamping groove is arranged on the fixed seat and is used for bearing the crystal to be detected;

and the connecting unit penetrates through the detection box and is electrically connected with the crystal clamping groove.

According to the utility model discloses crystal detection device has following technological effect at least: to wait to detect the crystal and put into the crystal draw-in groove on the fixing base to in pushing the fixing base into the detection box, wait to detect the crystal and can pass through crystal draw-in groove and linkage unit electric connection, and accessible linkage unit further is connected to the mainboard, thereby can accomplish and treat the function detection of detecting the crystal. The utility model discloses crystal detection device detects a plurality of when treating the crystal simultaneously needs, need not to carry out the work that will wait to detect the crystal welding on the mainboard and dismantle many times, only need change in the crystal draw-in groove wait to detect the crystal can, realized that convenience, quick replacement wait to detect the purpose of crystal, very big improvement detection efficiency.

According to some embodiments of the present invention, the detecting box further comprises an electrical connection device, the electrical connection device is disposed on an inner side wall of the detecting box, and the fixing base is inserted into the electrical connection device; the connection unit is electrically connected with the crystal clamping groove through the power connection device.

According to some embodiments of the present invention, the power connection device comprises a power connection socket and a plurality of quick connection sockets arranged on the power connection socket; the bottom of the crystal clamping groove is provided with a plurality of pin contact pieces, one side of the fixed seat close to the electric connection seat is provided with a plurality of quick connection plugs which are in one-to-one correspondence with the pin contact pieces and are electrically connected with the pin contact pieces, and the quick connection plugs are in one-to-one correspondence insertion connection with the quick connection sockets; the connecting unit comprises a plurality of connecting flying leads with the same number as the quick-connection sockets, and the connecting flying leads are electrically connected with the quick-connection sockets in a one-to-one correspondence mode.

According to some embodiments of the utility model, the fixing base upper end is equipped with the fixed apron of mobile grafting for the lid closes the crystal draw-in groove.

According to some embodiments of the utility model, the crystal draw-in groove upper end is inserted and is equipped with the elastic pressing plate, the elastic pressing plate upper surface with fixed apron lower surface offsets.

According to the utility model discloses a some embodiments, be equipped with first locking piece on the fixing base, correspond on the fixed apron first locking piece is equipped with first locking bayonet socket, the fixed apron passes through first locking piece with first locking bayonet socket locks in the fixing base.

According to some embodiments of the invention, the first locking member comprises:

a bolt slot;

the spring lock tongue is inserted into the lock tongue slot; the fixed cover plate is locked on the fixed seat through the spring lock tongue and the first locking bayonet.

According to the utility model discloses a some embodiments, be equipped with second locking piece on the fixing base, it corresponds to detect box inner wall the second locking piece is equipped with second locking bayonet socket, the fixing base passes through the second locking piece with second locking bayonet socket lock in detect the box in the detection inner chamber.

According to some embodiments of the invention, the second locking piece comprises:

the locking sliding chute is arranged in the fixed seat;

the lower end of the locking spring is connected with the bottom of the locking chute;

the locking sliding block is arranged in the locking sliding groove, and the bottom of the locking sliding block is connected with the upper end of the locking spring; the fixed seat is clamped with the second locking bayonet through the locking sliding block.

According to some embodiments of the utility model, still including locating the mounting of detection box bottom portion, the mounting is used for fixing crystal detection device.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a perspective view of a crystal detection apparatus according to an embodiment of the present invention;

FIG. 2 is a cross-sectional top view of a crystal inspection apparatus according to an embodiment of the present invention;

FIG. 3 is a cross-sectional side view of a crystal inspection apparatus according to an embodiment of the present invention;

fig. 4 is a front sectional view of a crystal detecting apparatus according to an embodiment of the present invention.

Reference numerals:

a detection cartridge 100, a second locking bayonet 110;

the locking device comprises a fixed seat 200, a crystal card slot 210, a pin contact piece 211, a fixed cover plate 220, a first locking card slot 221, a quick-connect plug 230, an elastic pressing plate 240, a first locking piece 250, a bolt slot 251, a spring bolt 252, a second locking piece 260, a locking sliding groove 261, a locking sliding block 262 and a locking spring 263;

a connection unit 300;

the power connection device 400, the power connection socket 410 and the quick connection socket 420;

a fixing member 500.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the directional descriptions, such as the directions of upper, lower, front, rear, left, right, etc., are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be considered as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the terms such as setting, installing, connecting, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meaning of the terms in the present invention by combining the specific contents of the technical solution.

The crystal detection device provided by the embodiment of the invention is described below with reference to fig. 1 to 4.

According to the utility model discloses crystal detection device, include: the detection kit 100, the fixing seat 200, the crystal card slot 210 and the connecting unit 300. The detection box 100 is provided with a detection inner cavity, and the side wall of the detection inner cavity is opened; the fixed seat 200 is detachably arranged in the detection inner cavity; the crystal clamping groove 210 is arranged on the fixed seat 200 and used for bearing a crystal to be detected; the connection unit 300 penetrates the detection box 100 and is electrically connected to the crystal card slot 210.

Before introducing the crystal detection device of the embodiment of the utility model, a brief description is firstly carried out on the preparation work before the crystal detection. Carry out a plurality of test work of treating the crystal on same intelligent wearing equipment, need will connect the fly line welding to intelligent wearing equipment's mainboard earlier, will connect the fly line again and dismantle from the mainboard after finishing to a plurality of crystal tests of treating, to the test work of same intelligent wearing equipment, welding and dismantlement work all need carry on once. In addition, the intelligent wearable device only provides a detection device, and the actual situation specific analysis corresponds to the carrier device needed by the crystal to be detected, and cannot be understood as limiting.

Referring to fig. 1 and 2, the fixing base 200 is taken out from the detection inner cavity of the detection box 100, the crystal to be detected is placed in the crystal clamping groove 210 of the fixing base 200 in a correct position, so that the crystal to be detected is just clamped into the crystal clamping groove 210, the problem that the detection result is inaccurate due to the fact that the crystal to be detected moves in the detection process is solved, the fixing base 200 is pushed into the detection inner cavity of the detection box 100, the crystal to be detected is electrically connected with the connecting unit 300 through the crystal clamping groove 210, and the connecting unit 300 can be further connected to a mainboard through the connecting unit 300, so that the function detection of the crystal to be detected is conveniently completed subsequently. Detect and take fixing base 200 out promptly, change and wait to detect the crystal, push into fixing base 200 and detect once more for need detect a plurality of when waiting to detect the crystal simultaneously, need not to carry out and will wait to detect the crystal and weld on the mainboard and dismantle many times, realized that convenience, quick replacement wait the purpose of detecting the crystal, very big improvement detection efficiency.

It should be noted that, the above placing the to-be-detected crystal splice angle in the crystal card slot 210 on the fixing base 200 in an aligned manner means that the size of the crystal card slot 210 is identical to the size of the to-be-detected crystal, so that the splice angle can be placed in an aligned manner, and the to-be-detected crystal is directly fixed so that the crystal pin is contacted with the pin contact piece 211, which is convenient for the installation of the to-be-detected crystal.

In some embodiments of the present invention, referring to fig. 1 and fig. 2, the present invention further includes a power connection device 400, the power connection device 400 is disposed on an inner sidewall of the detection box 100, and the fixing base 200 is inserted into the power connection device 400; the connection unit 300 is electrically connected to the crystal card slot 210 through the power connection device 400.

The fixing base 200 is electrically connected to the power connection device 400 on the inner side wall of the detection box 100, so that one end of the connection unit 300 can be electrically connected to the crystal slot 210 through the power connection device 400, the crystal to be detected is electrically connected to the connection unit 300 through the crystal slot 210 and the power connection device 400, and the other end of the connection unit 300 can be connected to the motherboard, thereby completing the electrical connection between the motherboard and the crystal to be detected. The arrangement of the power connection device 400 facilitates the detachment of the fixing plate, when the electrical connection between the connection unit 300 and the crystal clamping groove 210 fails, the connection flying wire does not need to be detached and then welded again, the workload during maintenance is reduced, and the maintenance efficiency is improved.

In some embodiments of the present invention, referring to fig. 2, the power receiving device 400 includes a power receiving socket 410 and a plurality of quick-connect sockets 420 disposed on the power receiving socket 410; the bottom of the crystal card slot 210 is provided with a plurality of pin contact pieces 211, one side of the fixed seat 200 close to the electric connection seat 410 is provided with a plurality of quick connection plugs 230 corresponding to the pin contact pieces 211 one by one, and the number of the quick connection plugs 230 is consistent with that of the quick connection sockets 420; the connection unit 300 includes a plurality of connection flying leads corresponding to the number of the quick-connect sockets 420, and the plurality of connection flying leads are electrically connected to the plurality of pin contact pieces 211 through the plurality of quick-connect sockets 420 and the plurality of quick-connect plugs 230.

The crystal to be detected is placed in the crystal clamping groove 210 on the fixed seat 200, so that the crystal pins of the crystal to be detected are in one-to-one corresponding contact with the pin contact pieces 211, the fixed seat 200 is pushed into the detection box 100, and the quick-connection plugs 230 are inserted into the quick-connection sockets 420 in one-to-one correspondence, so that the electric connection of the pin contact pieces 211 and the connection flying lines is realized, the flying lines can be further connected to a mainboard through the connection flying lines, and the function detection of the crystal to be detected is realized. The quick-connect plug 230 is plugged from the quick-connect socket 420, so that the fixing plate can be conveniently detached, when the electrical connection between the connecting unit 300 and the crystal clamping groove 210 fails, the plug and the socket are only required to be respectively overhauled without detaching and re-welding the connecting flying wire, the workload during maintenance is reduced, and the maintenance efficiency is improved.

In some embodiments of the present invention, referring to fig. 2, the power connection device 400 includes a power connection socket 410 and 4 quick connection sockets 420 disposed on the power connection socket 410; the bottom of the crystal card slot 210 is provided with 4 pin contact pieces 211, and one side of the fixed seat 200 close to the electric seat 410 is provided with 4 quick-connection plugs 230; the connection unit 300 includes 4 connection flying leads, and the 4 connection flying leads are electrically connected with the 4 pin contact pieces 211 through the 4 quick-connection sockets 420 and the 4 quick-connection plugs 230.

The crystal to be detected is placed in the crystal clamping groove 210 on the fixed seat 200, so that 4 crystal pins of the crystal to be detected are in one-to-one contact with the 4 pin contact pieces 211, the fixed seat 200 is pushed into the detection box 100, and the 4 quick-connection plugs 230 in one-to-one correspondence with the 4 pin contact pieces 211 are inserted into the 4 quick-connection sockets 420 in one-to-one correspondence, so that the electric connection with the 4 connection flying leads is realized, the flying leads can be further connected to a mainboard through the 4 connection flying leads, and the function detection of the crystal to be detected is realized. The utility model discloses an in some embodiments, the crystal pin that detects the crystal that needs the test is 4, and pin contact piece 211, the quick connector plug 230, the quantity of connecing socket 420 soon all correspond and establish to 4, can satisfy the function test who detects the crystal to the overwhelming majority on the market.

It can be understood that the crystal pin contacts the pin contact piece 211, and is inserted into the quick-connect socket 420 through the quick-connect plug 230 electrically connected to the pin contact piece 211, and is electrically connected to the connection flying lead, so that the crystal to be detected is communicated with the connection flying lead, and is further connected to the mainboard through the connection flying lead to test the crystal to be detected.

In some embodiments of the present invention, referring to fig. 1, 2 and 3, the fixing base 200 is provided with a fixing cover 220 movably inserted to cover the crystal slot 210. When the crystal to be detected is tested, the fixed cover plate 220 fixes the crystal to be detected in the crystal clamping groove 210, so that the crystal to be detected can be effectively protected, and the crystal to be detected is prevented from being damaged when being carried outdoors.

In some embodiments of the present invention, referring to fig. 2 and 4, an elastic pressing plate 240 is inserted into the upper end of the crystal clamping groove 210, and the upper surface of the elastic pressing plate 240 abuts against the lower surface of the fixed cover plate 220. The elastic pressing plate 240 is located between the fixed cover plate 220 and the crystal clamping groove 210, the elastic pressing plate 240 deforms when the fixed cover plate 220 covers, the crystal to be detected is tightly pressed in the crystal clamping groove 210, the contact tightness between the pin of the crystal to be detected and the pin contact piece 211 is guaranteed, and the detection error caused by poor contact is avoided.

In some embodiments of the present invention, referring to fig. 2 and 4, the fixing base 200 is provided with a first locking member 250, the fixing cover 220 is provided with a first locking notch 221 corresponding to the first locking member 250, and the fixing cover 220 is locked to the fixing base 200 through the first locking member 250 and the first locking notch 221. When the fixed cover 220 is not opened, the first locking member 250 is snapped into the first locking notch 221, so as to fix the fixed cover 220 to the fixing base 200. When the fixed cover 220 is opened, the first locking member 250 is disengaged from the first locking notch 221. The first locking member 250 is matched with the first locking bayonet 221, so that the fixed cover plate 220 can be conveniently disassembled and assembled.

In some embodiments of the present invention, referring to fig. 2, the middle portion of the left side of the fixing base 200 is provided with a first locking member 250, the fixing cover plate 220 is provided with a first locking notch 221 corresponding to the first locking member 250, and the fixing cover plate 220 is locked to the fixing base 200 through the first locking member 250 and the first locking notch 221. The first locking member 250 is disposed at the middle portion of the left side of the fixing base 200, so as to facilitate the left sliding to open the fixing cover 220, and the fixing cover 220 can be fixed more firmly at the middle portion.

In some embodiments of the present invention, referring to fig. 2 and 4, the first locking member 250 includes a latch slot 251 and a spring latch 252, the spring latch 252 is inserted into the latch slot 251, and the fixing cover 220 is locked to the fixing base 200 through the spring latch 252 and the first locking notch 221. When the fixed cover 220 is not opened, the spring latch 252 is latched into the first latching notch 221, so as to fix the fixed cover 220 to the fixing base 200. When the fixed cover 220 is opened, the spring latch 252 is deformed to be disengaged from the first locking notch 221. The first locking member 250 is matched with the first locking bayonet 221, so that the fixed cover plate 220 can be conveniently disassembled and assembled. The first locking member 250 may be a locking bolt or a snap-type locking member, and the type of the first locking member 250 is not limited as long as the fixing cover 220 can be locked.

In some embodiments of the present invention, referring to fig. 1 and 2, the fixing base 200 is provided with a second locking member 260, the inner wall of the detection box 100 is provided with a second locking bayonet 110 corresponding to the second locking member 260, and the fixing base 200 is locked in the detection inner cavity of the detection box 100 through the second locking member 260 and the second locking bayonet 110.

When the fixing base 200 is drawn out of the cartridge 100, the second locking member 260 is disengaged from the second locking notch 110; when the fixing base 200 is pushed into the detection box 100, the second locking member 260 is clamped into the second locking bayonet 110, so that the fixing base 200 is fixed in the detection box 100, the fixing base 200 is not easy to fall out of the detection inner cavity, and the fixing base 200 is convenient to fix and detach.

In some embodiments of the utility model, referring to fig. 1 and fig. 2, fixing base 200 corresponds from top to bottom on the right side and is provided with 2 second locking pieces 260, and 2 second locking pieces 260 that detect box 100 inner wall corresponds are equipped with 2 second locking bayonet sockets 110, and fixing base 200 locks in the detection inner chamber that detects box 100 through second locking piece 260 and second locking bayonet socket 110.

When the fixing base 200 is drawn out from the detecting box 100, the 2 second locking members 260 are respectively disengaged from the 2 corresponding second locking bayonets 110; when the fixing base 200 is pushed into the measuring cassette 100, 2 second locking members 260 are all inserted into 2 corresponding second locking bayonets 110. The 2 second locking members 260 correspondingly disposed on the fixing base 200 can more firmly fix the fixing base 200 in the testing cassette 100.

In some embodiments of the present invention, referring to fig. 1 and 2, the second locking member 260 includes a locking sliding groove 261 and a locking sliding block 262, the locking sliding groove 261 and the locking sliding block 262 are connected by a locking spring 263, and the fixing base 200 is locked in the detection inner cavity of the detection box 100 by the locking sliding block 262 and the second locking bayonet 110.

When the fixing base 200 is drawn out of the detecting box 100, the locking spring 263 is deformed to press the locking slider 262 into the locking sliding groove 261, so that the locking slider 262 is disengaged from the second locking notch 110; when the fixing base 200 is pushed into the detection box 100, the locking slider 262 is clamped into the second locking bayonet 110, and the fixing base 200 is fixed in the detection box 100, so that the fixing base 200 is not easy to fall out of the detection inner cavity, and the fixing base 200 is convenient to fix and detach. It should be noted that the second locking member 260 may also be a locking bolt or a sliding latch, as long as the fixing base 200 can be fixed, and the second locking member 260 is not limited to the kind.

In some embodiments of the present invention, referring to fig. 1 and fig. 2, the bottom of the detecting box 100 is provided with a fixing member 500 for fixing the crystal detecting device. After the crystal detection device is put into to wait to detect the crystal, fix the crystal detection device on intelligence wearing equipment shell through mounting 500, treat to detect the crystal and carry out the function detection, be convenient for detect time crystal detection device's fixed, make the crystal detection device be difficult for coming off from intelligent wearing equipment and cause the error to lead to the testing result inaccurate. The fixing member 500 may be a pressing suction pad, an adhesive pad, or the like, as long as the crystal detecting apparatus can be fixed, and the type of the fixing member 500 is not limited.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Although the embodiments of the present invention have been described in detail with reference to the accompanying drawings, the present invention is not limited to the above embodiments, and those skilled in the art can understand that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. A crystal detection apparatus, comprising:

the detection box is provided with a detection inner cavity, and the side wall of the detection inner cavity is opened;

the fixing seat is detachably arranged in the detection inner cavity;

the crystal clamping groove is arranged on the fixed seat and is used for bearing the crystal to be detected;

and the connecting unit penetrates through the detection box and is electrically connected with the crystal clamping groove.

2. The crystal detection device of claim 1, further comprising an electrical connection device, wherein the electrical connection device is disposed on an inner sidewall of the detection box, and the fixing base is inserted into the electrical connection device; the connection unit is electrically connected with the crystal clamping groove through the power connection device.

3. The crystal detection device of claim 2, wherein the power connection device comprises a power connection socket and a plurality of quick connection sockets arranged on the power connection socket; the bottom of the crystal clamping groove is provided with a plurality of pin contact pieces, one side of the fixed seat close to the electric connection seat is provided with a plurality of quick connection plugs which are in one-to-one correspondence with the pin contact pieces and are electrically connected with the pin contact pieces, and the quick connection plugs are in one-to-one correspondence insertion connection with the quick connection sockets; the connecting unit comprises a plurality of connecting flying leads with the same number as the quick-connection sockets, and the connecting flying leads are electrically connected with the quick-connection sockets in a one-to-one correspondence manner.

4. The crystal detecting device of claim 1, wherein a fixing cover plate is movably inserted into the upper end of the fixing seat to cover the crystal slot.

5. The crystal detection device of claim 4, wherein an elastic pressing plate is inserted at the upper end of the crystal clamping groove, and the upper surface of the elastic pressing plate is abutted against the lower surface of the fixed cover plate.

6. The crystal detecting device according to claim 4, wherein a first locking member is disposed on the fixing base, a first locking notch is disposed on the fixing cover plate corresponding to the first locking member, and the fixing cover plate is locked to the fixing base through the first locking member and the first locking notch.

7. The crystal detection apparatus of claim 6, wherein the first locking member comprises:

a bolt slot;

the spring bolt is inserted into the bolt slot; the fixed cover plate is locked on the fixed seat through the spring lock tongue and the first locking bayonet.

8. The crystal detection device of claim 1, wherein a second locking member is disposed on the fixing base, a second locking bayonet is disposed on an inner wall of the detection box corresponding to the second locking member, and the fixing base is locked in the detection inner cavity through the second locking member and the second locking bayonet.

9. The crystal detection apparatus of claim 8, wherein the second lock comprises:

the locking sliding chute is arranged in the fixed seat;

the lower end of the locking spring is connected with the bottom of the locking chute;

the locking sliding block is arranged in the locking sliding groove, and the bottom of the locking sliding block is connected with the upper end of the locking spring; the fixed seat is clamped with the second locking bayonet through the locking sliding block.

10. The crystal detecting device of claim 1, further comprising a fixing member disposed at a bottom of the detecting box, wherein the fixing member is used for fixing the crystal detecting device.

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