Detection device for test block of tooth root tip positioning instrument

Abstract

The utility model relates to the technical field of test equipment, in particular to a detection device for a test block of a tooth root tip locator, which comprises an outer shell and a circuit board arranged in the outer shell, a display screen is arranged on the front end face of the outer shell and is connected with the circuit board through a plug-in module, and the plug-in module is connected with the circuit board. The front end face of the outer shell is provided with a power indicating lamp and a switch key, the edge of the outer shell is provided with a power supply interface used for being connected with a power adapter and a test interface used for being connected with a test block, the test block to be detected is directly inserted into the test interface, and whether the measuring structure is qualified or not can be displayed according to the display screen. The structure is simple and practical, equipment investment is reduced, detection is convenient and fast, and overhaul and maintenance are facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to test equipment technical field, concretely is a tooth root apex locator test block detection device. BACKGROUND

[0002] The tooth root apex locator is a kind of medical equipment for tooth root apex treatment, can help dentist to measure and locate the position of tooth root apex, to ensure the precision and effect of subsequent treatment.The principle of tooth root apex locator is based on the measurement of resistance value, the position of root apex is judged by measuring the resistance change of the tissue around root canal.When root apex is measured, the depth of root canal file is different, and the resistance value is different, when reaching a certain value, it is considered that the root apex point is reached, and this value is proved to be a constant value through a large number of clinical tests.That is, the tooth root apex locator determines the position of root apex by detecting the change of resistance value.The tooth root apex locator is a device sensitive to resistance value.Before use, doctors usually connect the test block with built-in resistance to the tooth root apex locator to judge whether the reading resistance of the device to the test block is accurate.A tooth root apex locator test block detection device is needed, whether in the production process of test block or material inspection, the detection of test block can be quickly realized. SUMMARY

[0003] The utility model aims at providing a tooth root apex locator test block detection device to solve the problems in the above background.

[0004] To achieve the above object, the utility model provides the following technical scheme: a tooth root apex locator test block detection device, including shell body and the circuit board being installed in the inside of shell body, install display screen on the front end surface of shell body, and display screen is connected with circuit board through plug-in module, be provided with power indicator and switch button on the front end surface of shell body, the edge of shell body is provided with the power supply interface for connecting power adapter and the test interface for connecting test block.

[0005] Further, the shell body and the circuit board are connected and fixed by a plurality of fixed bolts and nuts.

[0006] Further, the inner side wall of the shell body is provided with a plurality of limiting ribs, and the plurality of limiting ribs are respectively abutted at the edges of the circuit board for limiting and fixing the circuit board.

[0007] Further, the edge of the bottom end of the shell body is outwardly bent and extended to provide a support portion.

[0008] Further, a plurality of reinforcing ribs are provided between the support portion and the outer peripheral wall of the shell body.

[0009] Further, the bottom end of the support portion is provided with a plurality of support lugs.

[0010] Compared with the prior art, the tooth apex locator test block detection device has the advantages that the test block to be detected is directly plugged in the test interface, whether the measurement structure is qualified can be displayed according to the display screen, the structure is simple and practical, the equipment investment is reduced, the detection is convenient and fast, and the maintenance is convenient. BRIEF DESCRIPTION OF DRAWINGS

[0011] Fig. 1 It is a top end three-dimensional structure schematic view of the utility model;

[0012] Fig. 2 It is a bottom end three-dimensional structure schematic view of the utility model.

[0013] In the figure: 1, the shell body; 101, the limiting rib; 102, the support part; 103, the reinforcing rib; 104, the support lug; 2, the circuit board; 3, the display screen; 4, the plug-in module; 5, the power indicator light; 6, the power supply interface; 7, the test interface; 8, the switch button; 9, the fixed bolt; 10, the nut; 11, the test block. DETAILED DESCRIPTION

[0014] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model, and it should be explained that, in the description of the utility model, the description of the terms "first", "second" and the like is only for the purpose of description, and does not mean the special order or sequence, and is not used to limit the utility model, which is only for distinguishing the components or operations described by the same technical terms, and cannot be understood as indicating or suggesting the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features, so the features limited by "first", "second" can explicitly or implicitly include at least one of the features. In order to make the description of the utility model, the claims and the above-mentioned drawings, the term "include" and any variation thereof, is intended to cover the non-exclusive inclusion.

[0015] In the description of the utility model, it is necessary to explain that, unless there is definite stipulation and limitation, the terms "mount", "connect", "connect", "arrange" should be understood broadly, for example, it can be fixed connection, also can be detachable connection, can be mechanical connection, also can be electrical connection, can be direct connection, also can be indirect connection through intermediate medium, can be the intercommunication of two elements internally, the specific meaning of the above-mentioned terms in the utility model can be understood according to specific circumstances for ordinary skilled person in the art.In addition, in the description of the utility model, it is necessary to understand that, the orientation or position relation indicated by the terms "up", "down", "front", "back", "left", "right", "top", "bottom", "inside", "outside" and the like is the orientation or position relation based on the orientation or position relation shown in the drawing, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as the limitation of the utility model.

[0016] Please refer to Figs. 1-2 The utility model provides an embodiment: a kind of dental apex locator test block detection device, including shell body 1 and circuit board 2 being installed in shell body 1 inside, in the embodiment, shell body 1 is the rectangular parallelepiped structure of bottom end open, the inner side wall of shell body 1 is provided with several limit ribs 101, several limit ribs 101 are respectively abutted at the edge of circuit board 2, for limiting fixed circuit board 2, shell body 1 and circuit board 2 are connected and fixed by four fixed bolts 9 and nut 10, it is convenient and quick to assemble, it is convenient to overhaul and maintain.

[0017] Display screen 3 is installed on the front end surface of shell body 1, and display screen 3 is connected with circuit board 2 by plug-in module 4, specifically, display screen 3 left side is fixed with the front end surface of shell body 1 by two positioning columns, and the right end plug-in module 4 extends to the inside of shell body 1 and is connected with circuit board 2 to carry out data transmission, power indicator lamp 5 and switch button 8 are provided on the front end surface of shell body 1, and power supply interface 6 for connecting power adapter and test interface 7 for connecting test block 11 are provided at the edge of shell body 1.Test interface 7 is specifically type-c interface, when working, power supply interface 6 is connected with power supply by power adapter, to power supply for the whole device, test interface 7 connects test block 11, circuit board 2 generates a high frequency and low frequency sine wave, applies sine wave on test block 11 by test interface 7, then the voltage at both ends of test block 11 is collected, and the effective value RMS of sine wave is calculated, finally the ratio of high frequency RMS and low frequency RMS is calculated, whether test block 11 is qualified is judged according to the result of ratio, and display screen 3 is used to display whether measurement result is qualified, and detection is convenient and quick.

[0018] In the embodiment, the support part 102 is arranged at the edge of the bottom end of the outer shell 1 and extends outwardly, and a plurality of reinforcing ribs 103 are arranged between the support part 102 and the outer peripheral wall of the outer shell 1, so as to improve the strength of the whole outer shell 1; the bottom end of the support part 102 is provided with a plurality of support feet 104, which can be rubber pads in particular, so as to improve the anti-skid performance.

[0019] It is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and the present application can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims involved.

Claims

1. A root apex locator test block detection device, characterized in that: It includes an outer shell (1) and a circuit board (2) installed inside the outer shell (1). A display screen (3) is installed on the front end face of the outer shell (1), and the display screen (3) is connected to the circuit board (2) through a plug-in module (4). A power indicator light (5) and a switch button (8) are provided on the front end face of the outer shell (1). A power supply interface (6) for connecting a power adapter and a test interface (7) for connecting a test block (11) are provided at the edge of the outer shell (1).

2. The root apex locator test block detection device according to claim 1, characterized in that: The outer casing (1) and the circuit board (2) are connected and fixed by a number of fixing bolts (9) and nuts (10).

3. The root apex locator test block detection device according to claim 1, characterized in that: The inner wall of the outer shell (1) is provided with a number of limiting ribs (101), which abut against the edge of the circuit board (2) to limit and fix the circuit board (2).

4. The root apex locator test block detection device according to claim 1, characterized in that: The outer shell (1) has a support part (102) that bends outward at the bottom edge.

5. The root apex locator test block detection device according to claim 4, characterized in that: A number of reinforcing ribs (103) are provided between the support part (102) and the outer peripheral wall of the outer shell (1).

6. The root apex locator test block detection device according to claim 4, characterized in that: The bottom end of the support part (102) is provided with a plurality of support protrusions (104).

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