CN214622067U

CN214622067U - Detection device

Info

Publication number: CN214622067U
Application number: CN202120582282.6U
Authority: CN
Inventors: 曹佳君
Original assignee: Autel Intelligent Technology Corp Ltd
Current assignee: Autel Intelligent Technology Corp Ltd
Priority date: 2021-03-22
Filing date: 2021-03-22
Publication date: 2021-11-05
Anticipated expiration: 2031-03-22

Abstract

The utility model discloses a detection device, include: the shell is provided with a first accommodating cavity, a second accommodating cavity and a through opening, the first accommodating cavity is communicated with the second accommodating cavity, and the through opening is used for communicating the first accommodating cavity with the outside; the detection assembly comprises an expansion piece and an elastic piece, the elastic piece is accommodated in the first accommodating cavity, one end of the elastic piece is abutted against one end of the expansion piece, the other end of the elastic piece is abutted against the inner wall of the first accommodating cavity, and the other end of the expansion piece extends out of the through hole; the circuit board is accommodated in the second accommodating cavity; the pressure sensor is accommodated in the first accommodating cavity and is electrically connected with the circuit board; the display screen is arranged on the shell and is electrically connected with the circuit board; when the telescopic piece gradually moves towards the first accommodating cavity, the telescopic piece is abutted to the pressure sensor and gradually compresses the elastic piece. Therefore, the user can know the pressure applied to the pressure sensor by the elastic piece through the display screen, so that the pressure applied to the electronic screen is known, and the detection and the operation are convenient.

Description

Detection device

Technical Field

The embodiment of the utility model provides a relate to and detect instrument technical field, especially relate to a detection device.

Background

The electronic display screen is an indispensable important component of electronic product equipment, and how the quality of the electronic display screen affects the service life of the electronic product. For this reason, before the electronic display screen is shipped, a series of tests are required, including a pressing force test, in which a force is applied to the electronic display screen to observe whether the electronic display screen has a water ripple phenomenon on the surface. At present, two types of pressing force tests of an electronic display screen are generally available, one type is observed by manually pressing the electronic display screen directly by hands, but the pressing force is difficult to grasp in the test; the other is to use a professional laboratory device to perform the test by a professional person, and the two test methods are troublesome and inconvenient to operate.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, an embodiment of the utility model provides a convenient to use's detection device.

The embodiment of the utility model provides a solve its technical problem and adopt following technical scheme:

a detection device comprises a shell, a detection assembly, a circuit board, a pressure sensor and a display screen, wherein the shell is provided with a first accommodating cavity, a second accommodating cavity and a through hole, the first accommodating cavity is communicated with the second accommodating cavity, and the through hole is used for communicating the first accommodating cavity with the outside; the detection assembly comprises an expansion piece and an elastic piece, the elastic piece is accommodated in the first accommodating cavity, one end of the elastic piece is abutted against one end of the expansion piece, the other end of the elastic piece is abutted against the inner wall of the first accommodating cavity, and the other end of the expansion piece extends out of the through hole; the circuit board is accommodated in the second accommodating cavity; the pressure sensor is accommodated in the first accommodating cavity and is electrically connected with the circuit board; the display screen is arranged on the shell and is electrically connected with the circuit board; when the telescopic piece gradually moves towards the first accommodating cavity, the telescopic piece abuts against the pressure sensor and gradually compresses the elastic piece.

Optionally, the telescopic member includes a first axial portion and a piston portion, one end of the first axial portion is connected to the piston portion, and the other end of the first axial portion extends out of the housing through the through opening, wherein one end of the piston portion abuts against an inner wall of the first accommodating cavity, and the other end of the piston portion is provided with the pressure sensor.

Optionally, the telescopic element further comprises a second axial portion, one end of the second axial portion is connected with the piston portion, and the other end of the second axial portion is arranged in a direction away from the piston portion.

Optionally, the detection device further includes a pressure balance block, the elastic member is a spring, the pressure balance block and the spring are all sleeved on the second axial portion, one end surface of the pressure balance block abuts against the pressure sensor, and the other end surface of the pressure balance block abuts against the spring.

Optionally, the detection device further comprises a battery, the battery is accommodated in the second accommodating cavity, and the display screen and the circuit board are connected with the battery.

Optionally, the detection device further includes a USB charging interface, the USB charging interface is accommodated in the second accommodating cavity, and the USB charging interface is connected to the circuit board.

Optionally, the detection device further includes a control switch, the control switch is mounted on an outer wall of the housing, and the switch is connected to the circuit board.

Optionally, the detection device further comprises a pressure block, and the pressure block is in threaded connection with the other end of the telescopic piece.

Optionally, the casing is in a shape of a pen holder, and the casing includes a bullet barrel portion, a middle barrel portion, and a top barrel portion, one end of the middle barrel portion is in threaded connection with the bullet barrel portion, and the other end of the middle barrel portion is in threaded connection with the top barrel portion, where the bullet barrel portion is provided with the first receiving cavity, and the middle barrel portion is provided with the second receiving cavity.

Optionally, the telescoping member has a scale thereon.

The embodiment of the utility model provides a beneficial effect is: the embodiment of the utility model provides a detection device, include: the shell is provided with a first accommodating cavity, a second accommodating cavity and a through hole, the first accommodating cavity is communicated with the second accommodating cavity, and the through hole is used for communicating the first accommodating cavity with the outside; the detection assembly comprises an expansion piece and an elastic piece, the elastic piece is accommodated in the first accommodating cavity, one end of the elastic piece is abutted against one end of the expansion piece, the other end of the elastic piece is abutted against the inner wall of the first accommodating cavity, and the other end of the expansion piece extends out of the through hole; the circuit board is accommodated in the second accommodating cavity; the pressure sensor is accommodated in the first accommodating cavity and electrically connected with the circuit board, and the display screen is arranged on the shell and electrically connected with the circuit board; when the telescopic piece gradually moves towards the first accommodating cavity, the telescopic piece abuts against the pressure sensor and gradually compresses the elastic piece. Therefore, the user can know the pressure applied to the pressure sensor by the elastic piece through the display screen, so that the pressure applied to the electronic screen is known, and the detection and the operation are convenient.

Drawings

One or more embodiments are illustrated by way of example in the accompanying drawings, which correspond to the figures in which like reference numerals refer to similar elements and which are not to scale unless otherwise specified.

Fig. 1 is a schematic structural diagram of a detection device according to an embodiment of the present invention;

FIG. 2 is a cross-sectional view of FIG. 1;

FIG. 3 is a schematic structural view of a mid-cylinder portion of the housing of FIG. 1;

FIG. 4 is an exploded view of the structure of FIG. 1;

fig. 5 is a schematic view of a portion of the structure of fig. 4 further exploded.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described in more detail with reference to the accompanying drawings and specific embodiments. It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may be present. The terms "upper", "lower", "inner", "outer", "vertical", "horizontal", and the like as used herein are used in the description to indicate orientations and positional relationships based on the orientations and positional relationships shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

As shown in fig. 1-2, the detection device 100 provided by one of the embodiments of the present invention includes a casing 10, a detection assembly 20, a pressure sensor 30, a circuit board 40 and a display screen 50, wherein the detection assembly 20, the pressure sensor 30 and the circuit board 40 are all contained in the casing 10, the pressure sensor 30 is electrically connected to the circuit board 40, the circuit board 40 is connected to the display screen 50, and the display screen 50 is installed on an outer wall of the casing 10. The detecting component 20 cooperates with the pressure sensor 30 to detect an electronic display of an electronic product.

The housing 10 is provided with a first receiving cavity 111, a through opening 112 and a second receiving cavity 121, the first receiving cavity 111 is communicated with the second receiving cavity 121, and the through opening 112 communicates the outside with the inner space of the first receiving cavity 111. It will be appreciated that the shape of the housing 10 may be varied, for example, cylindrical or square, but other shapes are also possible, and in this embodiment, the housing 10 is shaped like a pen.

Specifically, the housing 10 includes a bullet cylinder portion 11, a middle cylinder portion 12, and a top cylinder portion 13, wherein both ends of the middle cylinder portion 12 are provided with internal threads, both ends of the bullet cylinder portion 11 and one end of the top cylinder portion 13 are provided with external threads, and both ends of the middle cylinder portion 12 are respectively screwed with the bullet cylinder portion 11 and the top cylinder portion 13. The shape of the bullet barrel 11 is bullet-shaped, the inside of the bullet barrel is provided with a butting wall 113 near the head, two ends of the butting wall 113 are hollowed, a through hole 1131 is arranged on the butting wall 113, and the through hole 1131 is communicated with the spaces on two sides of the butting wall 113. The shape of well section of thick bamboo portion 12 is cylindricly, and inside is equipped with baffle 122, the both ends of baffle 122 are all hollowed out, just be equipped with on the baffle 122 and dodge hole 1221, dodge hole 1221 intercommunication the space on both sides of baffle 122, as shown in fig. 3, the inner wall of well section of thick bamboo portion 12 is equipped with two sets of spacing subassembly (not marking), and two sets of spacing subassembly set up relatively, and every spacing subassembly of group includes two spacing lugs 123, and two spacing lugs 123 interval set up to form a spacing groove (not marking) between the double-phase opposite side wall of two spacing lugs 123, so, alright form two relative spacing grooves that set up between two sets of spacing subassembly, circuit board 40 installs between this two relative spacing grooves that set up. Further, the middle tube part 12 is further provided with an installation opening 124, the installation opening 124 and the limiting groove are both located on the same side of the partition plate 122, and the installation opening 124 is used for installing the display screen 50.

When the bullet cartridge is mounted, one internal thread section of the middle cartridge part 12 is respectively in threaded connection with the external thread section of the bullet cartridge part 11, and the other internal thread section of the middle cartridge part 12 is in threaded connection with the external thread section of the top cartridge part, so that the first accommodating cavity 111 is formed between the abutting wall 113 and the partition plate 122, and the second accommodating cavity 121 is formed between the partition plate 122 and the top cartridge part 13. It will be appreciated that the top cylinder portion 13 is closed at an end thereof remote from the middle cylinder portion 12 in order to prevent the entry of the external dust layer into the housing 10.

Referring to fig. 4 and 5, the detecting assembly 20 includes an expansion member 21 and an elastic member 22, the elastic member 22 is accommodated in the first accommodating cavity 111, one end of the elastic member 22 abuts against one end of the expansion member 21, the other end of the elastic member 22 abuts against an inner wall of the first accommodating cavity 111, and the other end of the expansion member 21 extends out of the through opening 1131. In this embodiment, the elastic member 22 is a spring. The telescopic member 21 includes a first axial portion 211 and a piston portion 212, one end of the first axial portion 211 is connected to the piston portion 212, and the other end of the first axial portion 211 extends out of the housing 10 through the through hole 1131. Wherein the pressure sensor 30 is attached to the piston portion 212.

Understandably, when detecting the screen of the electronic device, the telescopic member 21 is located at the external part, that is, the first axial portion 211 abuts against the screen of the electronic device, the first axial portion 211 gradually retracts along the axial direction of the housing 10, the piston portion 212 gradually extrudes the spring, the spring reversely extrudes the piston portion 212, meanwhile, the spring also extrudes the pressure sensor 30, the pressure sensor 30 senses the counterforce exerted by the elastic member 22, so as to obtain the magnitude of the pressure exerted on the electronic screen and transmit the obtained value to the circuit board 40, and the circuit board 40 controls the display screen 50 to display the corresponding pressure value, so that the measurement is convenient and quick.

Further, in order to prevent the spring from deviating and twisting during the compression process, the telescopic member 21 further includes a second axial portion 213, one end of the second axial portion 213 is connected to the piston portion 212, and the other end of the second axial portion 213 is disposed in a direction away from the piston portion 212 and is provided for the spring to be sleeved. It should be understood that the length of the second axial portion 213 is smaller than the distance from the abutting wall 113 to the partition 122, so as to ensure that the second axial portion 213 has a movable space.

In some embodiments, in order to accurately obtain the reaction force exerted by the spring, the pressure sensor 30 is a film pressure sensor, the film pressure sensor is mounted on the piston portion 212 and sleeved on the second axial portion 213, and a signal line of the film pressure sensor passes through the avoiding hole 1221 and then is electrically connected to the circuit board 40. Further, the detection device 100 further includes a pressure balance weight 60, the pressure balance weight 60 is sleeved on the second axial portion 213, one end surface of the pressure balance weight 60 abuts against the film pressure sensor, and the other end surface of the pressure balance weight 60 abuts against the spring, so that the film pressure sensor can be ensured to uniformly bear the acting force applied by the spring, and the detection accuracy of the film pressure sensor is improved.

Referring to fig. 2 again, in some embodiments, the detecting device 100 further includes a battery 70, the battery 70 is accommodated in the second accommodating cavity 121, and the battery 70 is connected to the circuit board 40 and the display screen 50 for supplying power, so as to ensure the normal operation of the detecting device 100. It can be understood that, in order to ensure a compact internal structure of the detection apparatus 100 and make reasonable use of the internal space of the second receiving cavity 121, the battery 70 is adhesively fixed to one end face of the circuit board 40, and the display 50 is located on the other end face of the circuit board 50.

It should be understood that the battery 70 in the above embodiments is embedded in the housing 10, but the present invention is not limited thereto, and in other embodiments of the present invention, the battery 70 is disposed outside the housing 10, and the battery 70 is fastened and mounted on the housing 10 by an auxiliary tool such as an adhesive tape.

In some embodiments, the detecting device 100 further includes a USB (universal Serial bus) charging port 80, the USB charging port 80 is received in the second receiving cavity 121, and the USB charging port 80 is connected to the circuit board 40. It can be understood that when the battery 70 needs to be charged, the charging operation can be immediately performed by simply releasing the screw connection between the top cylinder part 13 and the middle cylinder part 12 so that the USB charging port is exposed to the outside.

In some embodiments, the detection device 100 further includes a control switch (not shown) mounted on an outer wall of the housing 10 and connected to the circuit board 40, wherein the control switch is used for controlling the working states of the membrane pressure sensor and the display screen 50.

In some embodiments, the detection device 100 further comprises a pressure block 90, and the pressure block 90 is screwed with the other end of the telescopic member 21. It can be understood that the size and dimension of the pressure block 90 can be adjusted according to the needs, and the pressure block 90 with different size and dimension can change the action area applied on the electronic screen to meet different testing requirements.

In some other embodiments, the telescopic rod 21 has a scale for assisting the user to detect when the battery 70 is not powered, that is, the user can read the displacement of the telescopic member 21 retracted into the housing 10, and then obtain the elastic change of the spring, and according to hooke's law, the acting force applied to the spring can be calculated, and then the pressure applied to the electronic screen can be obtained.

The embodiment of the utility model provides a detection device 100, including casing 10, detection component 20, pressure sensor 30, circuit board 40 and display screen 50, casing 10 is equipped with first accepting chamber 111, second accepting chamber 121 and opening 112, first accepting chamber 111 with second accepting chamber 121 is linked together, opening 112 is used for linking first accepting chamber 111 with the external world; the detection assembly 20 comprises an expansion piece 21 and an elastic piece 22, the elastic piece 22 is accommodated in the first accommodating cavity 111, one end of the elastic piece 22 is abutted against one end of the expansion piece 21, the other end of the elastic piece 22 is abutted against the inner wall of the first accommodating cavity 111, and the other end of the expansion piece 21 extends out of the through hole 112; the circuit board 40 is accommodated in the second accommodating cavity 121, the pressure sensor 30 is accommodated in the first accommodating cavity 111, and the pressure sensor 30 is electrically connected with the circuit board 40; the display screen 50 is mounted on the housing 10, and the display screen 50 is electrically connected with the circuit board 40; when the extensible member 21 gradually moves toward the first receiving cavity 111, the extensible member 21 abuts against the pressure sensor 30 and gradually compresses the elastic member 22. Therefore, a user can know the pressure applied to the pressure sensor 30 by the elastic member 22 through the display screen 50, so that the pressure applied to the electronic screen to be detected can be known, and the detection and the operation are convenient.

The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A detection device, comprising:

the shell is provided with a first accommodating cavity, a second accommodating cavity and a through hole, the first accommodating cavity is communicated with the second accommodating cavity, and the through hole is used for communicating the first accommodating cavity with the outside;

the detection assembly comprises an expansion piece and an elastic piece, the elastic piece is accommodated in the first accommodating cavity, one end of the elastic piece is abutted against one end of the expansion piece, the other end of the elastic piece is abutted against the inner wall of the first accommodating cavity, and the other end of the expansion piece extends out of the through hole;

the circuit board is accommodated in the second accommodating cavity;

the pressure sensor is accommodated in the first accommodating cavity and is electrically connected with the circuit board;

the display screen is arranged on the shell and is electrically connected with the circuit board;

when the telescopic piece gradually moves towards the first accommodating cavity, the telescopic piece abuts against the pressure sensor and gradually compresses the elastic piece.

2. The detecting device according to claim 1, wherein the telescopic member includes a first axial portion and a piston portion, one end of the first axial portion is connected to the piston portion, the other end of the first axial portion extends out of the housing through the through opening, wherein one end of the piston portion abuts against an inner wall of the first receiving cavity, and the other end of the piston portion is mounted with the pressure sensor.

3. The sensing device of claim 2, wherein the telescoping member further comprises a second axial portion, one end of the second axial portion being connected to the piston portion, the other end of the second axial portion being disposed away from the piston portion.

4. The detecting device according to claim 3, further comprising a pressure balance block, wherein the elastic member is a spring, the pressure balance block and the spring are both sleeved on the second axial portion, one end surface of the pressure balance block abuts against the pressure sensor, and the other end surface of the pressure balance block abuts against the spring.

5. The detecting device for detecting the rotation of the motor rotor according to the claim 1, further comprising a battery, wherein the battery is accommodated in the second accommodating cavity, and the display screen and the circuit board are connected with the battery.

6. The detection device according to claim 2, further comprising a USB charging interface, wherein the USB charging interface is received in the second receiving cavity, and the USB charging interface is connected to the circuit board.

7. The detection device of claim 1, further comprising a control switch mounted on an outer wall of the housing and connected to the circuit board.

8. The sensing device of claim 1, further comprising a pressure block threadably coupled to the other end of the telescoping member.

9. The detecting device according to any one of claims 1 to 8, wherein the case is in a shape of a pen barrel, and the case includes a bullet barrel portion, a middle barrel portion, and a top barrel portion, one end of the middle barrel portion is screwed to the bullet barrel portion, and the other end of the middle barrel portion is screwed to the top barrel portion, wherein the bullet barrel portion is provided with the first receiving cavity, and the middle barrel portion is provided with the second receiving cavity.

10. The sensing device of claim 9, wherein the telescoping member has a scale thereon.