CN219475737U - Piezoelectric ceramic piece electrical property detection device - Google Patents

Abstract

The utility model relates to a technical field of check out test set especially relates to a piezoceramics piece electrical property detection device, and it includes universal meter and survey meter pen, the survey meter pen includes red meter pen and black meter pen, red meter pen one end is used for being connected with the power positive pole, black meter pen one end is used for being connected with the power negative pole, the universal meter is provided with the visor that is located the dial plate district, the visor opposite sides is provided with the fixed plate, the fixed slot that is used for placing the survey meter pen has been seted up to fixed plate one side, the universal meter opposite sides is provided with the fixed block that corresponds the fixed plate, the fixed block passes through clamping assembly with the survey meter pen and is connected. The application has the effect of being convenient for accomodate and carry detection device.

Description

Piezoelectric ceramic piece electrical property detection device

Technical Field

The application relates to the technical field of detection equipment, in particular to a piezoelectric ceramic piece electrical property detection device.

Background

The piezoelectric ceramic plate is an electronic sounding element, can vibrate according to the magnitude frequency of a signal to generate corresponding sound, and has a simple structure and low cost. Based on the characteristics and advantages, the piezoelectric ceramic plate has wide application fields, and is applied to toys, sounding electronic watches, electronic instruments, electronic clocks, timers and the like.

After the piezoelectric ceramic plate is produced, quality detection is required. In the related art, a multimeter is often used to detect the piezoelectric ceramic sheet to determine whether the piezoelectric ceramic sheet can work normally. During detection, a direct-current voltage gear of a universal meter is selected, a red meter pen is contacted with a metal sheet, a black meter pen is contacted with a ceramic surface, and the ceramic sheet is pressed slightly forcefully, so that two voltage signals with opposite polarities are generated by the piezoelectric ceramic sheet. If the universal meter generates voltage, the piezoelectric ceramic piece can be normally used; if the universal meter is not changed, the fact that electric leakage or damage exists in the piezoelectric ceramic piece is indicated.

Aiming at the related technology, when the electrical property of the piezoelectric ceramic piece is detected to confirm whether the piezoelectric ceramic piece can work normally, the detection device generally comprises a universal meter, a red meter pen and a black meter pen, the universal meter comprises a dial area, a gear area and a power supply, the black meter pen is communicated with the negative electrode of the power supply, and the red meter pen is communicated with the positive electrode of the power supply. However, the red meter pen, the black meter pen and the universal meter are all independent products, and the independent storage is easy to disperse or lose. Therefore, the detection device is inconvenient to store.

Disclosure of Invention

In order to be convenient for accomodate and carry detection device, this application provides a piezoceramics piece electrical property detection device, adopts following technical scheme:

the utility model provides a piezoceramics piece electrical property detection device, includes universal meter and survey meter pen, the survey meter pen includes red meter pen and black meter pen, red meter pen one end is used for being connected with the power positive pole, black meter pen one end is used for being connected with the power negative pole, the universal meter is provided with the visor that is located the dial plate district, the visor is provided with the fixed plate in the relative both sides, the fixed slot that is used for placing the survey meter pen has been seted up to fixed plate one side, the relative both sides of universal meter are provided with the fixed block that corresponds the fixed plate, the fixed block passes through clamping assembly with the survey meter pen and is connected.

Through adopting above-mentioned technical scheme, when accomodating, will protect the lid and close first, play dustproof and the guard action to the dial plate district, the survey meter pen is placed in the fixed slot after the fixed block, fixes survey meter pen and fixed block through the clamping component, realizes simultaneously that to protect lid and survey meter pen's fixed for survey meter pen and universal meter can be fixed together in order to accomodate and carry; when the dial plate area checking device is required to be used, the clamping assembly is operated to enable the clamping assembly to be separated from the dial plate area checking pen, the dial plate area checking pen can be separated from the fixing block, and the dial plate area checking pen is separated from the fixing groove after the dial plate area checking pen is taken out.

Optionally, the red pointer comprises a probe, a pointer body and a wire which are sequentially and fixedly connected, and a winder is arranged at the wire.

Through adopting above-mentioned technical scheme, can accomodate the wire conveniently, and then be convenient for accomodate and carry detection device.

Optionally, a pen cap is arranged at the probe.

By adopting the technical scheme, the pen cap can protect the probe.

Optionally, the pen body fixedly connected with connecting strip, the one end that the pen body was kept away from to the connecting strip is with pen cap fixed connection, the connecting strip is made by elastic material.

Through adopting above-mentioned technical scheme, the condition that the pen cap was lost carelessly appears in the connecting strip can prevent to take off after the pen cap.

Optionally, the fixed orifices that supplies the survey meter pen to pass through has been seted up to the fixed orifices inner wall, the mounting hole that supplies the centre gripping subassembly to place has been seted up to the fixed orifices inner wall, mounting hole inner wall fixedly connected with spacing sand grip, the centre gripping subassembly include the grip block, with grip block fixed connection's dead lever, cup joint in the spring in the dead lever outside and fixed connection keep away from the operation piece of grip block one side in the dead lever, the dead lever can pass spacing sand grip, spring one end and spacing sand grip butt, the other end and operation piece butt, the grip block is located spacing sand grip and keeps away from one side of spring, be connected through the mounting between operation piece and the fixed block.

Through the technical scheme, when the meter measuring pen is stored, firstly, the meter measuring pen penetrates through the fixing hole and is placed in the fixing groove, the operation block is pushed to enable the clamping block to abut against the meter measuring pen, the spring is compressed, the operation fixing piece is used for fixing the operation block and the fixing block, and fixing of the meter measuring pen is completed; when the operation fixing piece is needed to be used, the operation block and the fixing block can be separated, the spring is reset, the operation block and the fixing rod are pushed to move in the direction away from the meter measuring pen, the clamping block is separated from the meter measuring pen, and the meter measuring pen can be taken out.

Optionally, the mounting is kept away from the action bars of one side of dead lever including articulating in the action bars, fixed connection in the action bars keep away from the first magnet of articulated department and with the second magnet of dead lever fixed connection, first magnet and second magnet can the inter attraction.

By adopting the technical scheme, when the operation block is required to be fixed, the operation rod is rotated to enable the first magnet to attract the second magnet; when the measuring pen is required to be taken out, the operating rod is rotated to enable the first magnet to be separated from the second magnet; in addition, the operation lever can facilitate the user to operate the operation block.

Optionally, an arc groove is formed at one end of the clamping block, which is far away from the fixing rod.

Through adopting above-mentioned technical scheme for the grip block can laminate the survey meter pen more, and the centre gripping effect is better.

Optionally, the bottom of the arc groove is fixedly connected with an anti-slip pad.

Through adopting above-mentioned technical scheme, can prevent to take place relative slip between survey meter pen and the grip block, ensure the centre gripping effect.

In summary, the present application includes at least one of the following beneficial technical effects:

1. through setting up visor, fixed plate, fixed block and clamping assembly, fix the test meter pen with the universal meter together in order to accomodate and carry, simultaneously, can fix the state of closing the visor when the test meter pen is fixed, play dustproof effect;

2. by arranging the winder, the lead of the meter measuring pen is convenient to store, and the detection device is convenient to store and carry;

3. through setting up pen cap and connecting strip, can protect the probe and prevent to carelessly lose the condition of pen cap when using and appear.

Drawings

Fig. 1 is a schematic structural diagram of a piezoelectric ceramic wafer electrical property detection device according to an embodiment of the present application.

Fig. 2 is a cross-sectional view of a stylus and a mounting plate according to an embodiment of the present application.

Fig. 3 is an enlarged schematic view at a in fig. 2.

Fig. 4 is a schematic structural view of a clamping assembly according to an embodiment of the present application.

Reference numerals illustrate: 1. a multimeter; 11. a fixed block; 111. a fixing hole; 112. a mounting hole; 113. limit raised strips; 2. a meter measuring pen; 21. a red pointer; 22. black list pen; 23. a probe; 24. a pen body; 25. a wire; 26. a pen cap; 261. a connecting strip; 3. a protective cover; 31. a fixing plate; 311. a fixing groove; 4. a clamping assembly; 41. a clamping block; 411. an arc groove; 412. an anti-slip pad; 42. a fixed rod; 43. a spring; 44. an operation block; 5. a reel; 6. a fixing member; 61. an operation lever; 62. a first magnet; 63. and a second magnet.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-4.

The embodiment of the application discloses a piezoelectric ceramic piece electrical property detection device.

Referring to fig. 1, a piezoelectric ceramic piece electrical property detection device comprises a multimeter 1, a meter measuring pen 2 and a protective cover 3. The meter measuring pen 2 comprises a red meter pen 21 and a black meter pen 22, and the protective cover 3 is hinged with the universal meter 1 and can cover a dial area of the universal meter 1 to play a role in dust prevention; the fixed plate 31 is fixedly connected to two sides of the protective cover 3, the fixed groove 311 for placing the meter measuring pen 2 is formed in one side of the fixed plate 31, and the red meter pen 21 and the black meter pen 22 are respectively placed on two sides of the universal meter 1 when the universal meter is stored. The section of the fixing groove 311 is arc-shaped and is more attached to the measuring pen 2.

Referring to fig. 1 and 2, fixing blocks 11 corresponding to the fixing plates 31 are fixedly connected to the positions, close to the protective cover 3, of the two sides of the universal meter 1, and fixing holes 111 through which the measuring pen 2 passes are formed in the fixing blocks 11. The red meter pen 21 and the black meter pen 22 have the same structure and comprise a probe 23, a pen body 24 and a lead 25, wherein one end of the pen body 24 is fixedly connected with the probe 23, and the other end of the pen body is fixedly connected with the lead 25. The pen body 24 is fixedly connected with a connecting strip 261 made of elastic materials near the probe 23, and one end of the connecting strip 261 far away from the pen body 24 is fixedly connected with a pen cover 26 for protecting the probe 23. The protection cover 3 department of keeping away from of universal meter 1 both sides is all fixedly connected with winder 5, and winder 5 can be used for carrying out automatic winding to wire 25, is convenient for accomodate and use.

Referring to fig. 1 and 3, the fixing block 11 is provided with a mounting hole 112 communicating with the fixing hole 111, and the clamping assembly 4 is placed in the mounting hole 112. When the pen is stored, the protective cover 3 is closed, the meter measuring pen 2 is inserted into the fixing hole 111 in an aligned mode, one end, far away from the lead 25, of the pen body 24 is placed in the fixing groove 311, the meter measuring pen 2 is fixed through the clamping assembly 4, and meanwhile the protective cover 3 can be fixed; when the meter box is needed to be used, the clamping assembly 4 is operated to separate the clamping assembly 4 from the meter box 2, and then the meter box 2 is extracted to separate the meter box 2 from the fixed block 11 and the fixed plate 31.

Referring to fig. 3, a circle of limit protruding strips 113 is fixedly connected to the inner wall of the mounting hole 112. The clamp assembly 4 includes a clamp block 41, a fixed rod 42, a spring 43, and an operating block 44. The fixing rod 42 can pass through the limit convex strip 113, one end of the fixing rod is fixedly connected with the clamping block 41, and the other end of the fixing rod is fixedly connected with the operation block 44; the spring 43 is sleeved outside the fixed rod 42, one end of the spring is abutted against the operation block 44, and the other end of the spring is abutted against the limit convex strip 113; the clamping block 41 is located at one side of the limit protruding strip 113 away from the spring 43 and can be abutted against the limit protruding strip 113. The operation block 44 is detachably and fixedly connected with the fixed block 11 through the fixed piece 6, and the fixed piece 6 comprises an operation rod 61, a first magnet 62 and a second magnet 63. One side of the operating block 44 far away from the fixed rod 42 is hinged with the operating rod 61, the first magnet 62 is fixedly connected with one end of the operating rod 61 far away from the hinged position, and the second magnet 63 is fixedly connected with the fixed block 11 corresponding to the first magnet 62.

When the stylus 2 needs to be fixed, a user can push the operation block 44 to move towards the direction close to the stylus 2 through the operation rod 61, so that the fixing rod 42 and the clamping block 41 move towards the direction close to the stylus 2, the clamping block 41 is abutted against the stylus 2, the spring 43 is compressed at the moment, and the operation rod 61 is rotated to enable the first magnet 62 and the second magnet 63 to be in an attractive state, and fixation is achieved; when the stylus 2 needs to be taken out, the user only needs to rotate the operating rod 61 to separate the first magnet 62 from the second magnet 63, at this time, the operating rod 61 is separated from the fixed block 11, the spring 43 resets, the operating block 44 is pushed to move in a direction away from the stylus 2, and the fixed rod 42 and the clamping block 41 are driven to move in a direction away from the stylus 2, so that the clamping block 41 is separated from the stylus 2.

Referring to fig. 3 and 4, an arc slot 411 is formed on a side of the clamping block 41 away from the fixing rod 42 so that the clamping block 41 can better fit the stylus 2. The anti-slip pad 412 is fixedly connected to the bottom of the arc slot 411, and the anti-slip pad 412 is made of rubber material, so that on one hand, the relative sliding between the measuring pen 2 and the clamping block 41 can be prevented, and the clamping effect is better; on the other hand, the abrasion to the meter measuring pen 2 and the clamping block 41 can be reduced, and the service life can be prolonged.

The implementation principle of the piezoelectric ceramic piece electrical property detection device in the embodiment of the application is as follows: when the meter is required to be stored, firstly, the protective cover 3 is closed to protect the dial area from dust, the pen cover 26 is closed to protect the probe 23, then the pen cover 26 is inserted in the position aligned to the fixing hole 111, so that one end of the pen body 24 far away from the lead 25 is placed in the fixing groove 311 to fix the protective cover 3, at the moment, the wire winder 5 can automatically wind and arrange the lead 25, then the operation block 44 is pushed to move towards the direction close to the meter measuring pen 2, the clamping block 41 is abutted against the meter measuring pen 2, at the moment, the spring 43 is in a compressed state, the operation rod 61 is rotated to enable the first magnet 62 and the second magnet 63 to be in a suction state, the fixation is completed, the meter measuring pen 21 and the black meter pen 22 are respectively fixed on two sides of the universal meter 1, and the whole storage and carrying of the detection device are facilitated;

when the watch box is needed to be used, the operating rod 61 is rotated to separate the first magnet 62 from the second magnet 63, the spring 43 is reset to push the operating block 44 to move towards the direction away from the watch box 2, the clamping block 41 is separated from the watch box 2, a user can withdraw the watch box 2 from the fixing hole 111, the pen cover 26 is taken down, the protective cover 3 is opened, the black watch pen 21 is contacted with the metal sheet of the piezoelectric ceramic sheet, the black watch pen 22 is contacted with the ceramic surface of the piezoelectric ceramic sheet, the piezoelectric ceramic sheet is slightly pressed with force, the pointer activity condition of the dial area is observed, and whether the piezoelectric ceramic sheet can work normally can be detected.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (8)

1. The utility model provides a piezoceramics piece electrical property detection device, includes universal meter (1) and survey table pen (2), survey table pen (2) include red table pen (21) and black table pen (22), red table pen (21) one end is used for being connected with the power positive pole, black table pen (22) one end is used for being connected with the power negative pole, its characterized in that: the universal meter is characterized in that the universal meter (1) is provided with a protective cover (3) located in a dial area, two opposite sides of the protective cover (3) are provided with fixing plates (31), one side of each fixing plate (31) is provided with a fixing groove (311) for placing a meter measuring pen (2), two opposite sides of the universal meter (1) are provided with fixing blocks (11) corresponding to the fixing plates (31), and the fixing blocks (11) are connected with the meter measuring pen (2) through clamping assemblies (4).

2. The piezoelectric ceramic wafer electrical property detection device according to claim 1, wherein: the meter measuring pen (2) comprises a probe (23), a pen body (24) and a wire (25) which are sequentially and fixedly connected, and a wire winder (5) is arranged at the wire (25).

3. The piezoelectric ceramic wafer electrical property detection device according to claim 2, wherein: a pen cap (26) is arranged at the probe (23).

4. A piezoelectric ceramic wafer electrical property detection device according to claim 3, wherein: the pen body (24) is fixedly connected with a connecting strip (261), one end, away from the pen body (24), of the connecting strip (261) is fixedly connected with a pen cover (26), and the connecting strip (261) is made of elastic materials.

5. The piezoelectric ceramic wafer electrical property detection device according to claim 1, wherein: the utility model provides a fixed block (11) has offered fixed orifices (111) that supplies survey table pen (2) to pass through, mounting hole (112) that supplies centre gripping subassembly (4) to place are offered to fixed orifices (111) inner wall, mounting hole (112) inner wall fixedly connected with spacing sand grip (113), centre gripping subassembly (4) include grip block (41), with grip block (41) fixed connection's dead lever (42), cup joint in spring (43) in the dead lever (42) outside and fixed connection keep away from operation piece (44) on one side of grip block (41) in dead lever (42), dead lever (42) can pass spacing sand grip (113), spring (43) one end and spacing sand grip (113) butt, the other end and operation piece (44) butt, grip block (41) are located one side that spring (43) were kept away from to spacing sand grip (41), be connected through mounting (6) between operation piece (44) and the dead lever (11).

6. The piezoelectric ceramic wafer electrical property detection device according to claim 5, wherein: the fixing piece (6) comprises an operation rod (61) hinged to one side, far away from the fixing rod (42), of the operation block (44), a first magnet (62) fixedly connected to the operation rod (61), far away from the hinge, and a second magnet (63) fixedly connected with the fixing block (11), wherein the first magnet (62) and the second magnet (63) can be attracted to each other.

7. The piezoelectric ceramic wafer electrical property detection device according to claim 5, wherein: an arc groove (411) is formed in one end, far away from the fixed rod (42), of the clamping block (41).

8. The piezoelectric ceramic wafer electrical property detection device according to claim 7, wherein: the bottom of the arc groove (411) is fixedly connected with an anti-slip pad (412).