Voice broadcast test pencil

Abstract

The utility model discloses a voice broadcast test pencil, which comprises a shell. The electricity testing PCB assembly comprises an electricity testing PCB. The electricity testing PCB is provided with a backlight plate, a liquid crystal display screen, a power-on button, a VOLTAGE conductive button, a CONNECT conductive button and a voice broadcast module. The power supply is connected with the electricity testing PCB through a wire; the top of the housing is provided with an electricity measuring contact assembly. The test pencil has a contact type electricity testing function, a non-contact type electricity testing function and a CONNECT conduction function, the electricity testing functions in different modes can be converted by pressing or contacting the VOLTAGE conductive key, the CONNECT conductive key is independently pressed to enter the CONNECT conduction function, and the actual voltage value can be tested under the contact type electricity testing function. According to the utility model, the voice broadcast module can be used for voice broadcast of the electricity measurement result through the contact type electricity measurement function, the non-contact type electricity measurement function and the CONNECT conduction function, the measurement result does not need to be read by eyes, and the device is suitable for various test scenes.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of test pen, especially to a voice broadcast test pen. BACKGROUND

[0002] The non-contact test pen and the contact test pen are two common test tools, the non-contact test pen usually utilizes electromagnetic induction principle to detect whether the object is electrified. When the electrified object approaches the induction end of the test pen, the induction electromotive force is generated in the induction coil inside the test pen, and the electromotive force drives the internal electronic circuit to work, thereby triggering the corresponding indication signal, such as light emission, sound emission and the like. The working principle of the contact test pen is based on the formation of the current loop. When the pen tip of the test pen directly contacts the measured object, if the measured object is electrified, the current flows into the ground through the resistance, the electronic circuit and the human body inside the test pen, and a closed loop is formed. In this process, the electronic circuit emits the corresponding indication content, thereby indicating that the measured object is electrified.

[0003] In the prior art, neither the contact test pen nor the non-contact test pen has the voice broadcast function, and for some special scenes, only the hand can reach the test scene, and the operator's vision cannot reach the scene, which has limitations. CONTENT OF THE UTILITY MODEL

[0004] Based on the above, the purpose of the utility model is to provide a voice broadcast test pen which can voice broadcast the test result.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0006] The utility model provides a voice broadcast test pen, which comprises:

[0007] A shell is provided with an installation cavity inside;

[0008] A test PCB assembly comprises a test PCB, and the test PCB is provided with a backlight plate, a liquid crystal display, a power-on key, a VOLTAGE conductive button, a CONNECT conductive button and a voice broadcast module;

[0009] A power supply is connected with the test PCB by wires;

[0010] A test contact assembly is arranged on the top of the shell and connected with the test PCB by wires;

[0011] The voice broadcast test pen comprises a non-contact test mode and a contact test mode, and when the VOLTAGE conductive button is pressed or contacted, the voice broadcast test pen enters the contact test mode.

[0012] Preferably, the power source is a No. 7 battery.

[0013] Preferably, a battery compartment is arranged in the shell, and a detachable battery cover is arranged on the rear side of the shell.

[0014] The power source is detachably connected in the battery compartment.

[0015] Preferably, first and second contact pieces are arranged on the PCB, the first contact piece extends into the top of the battery compartment, and the second contact piece extends into the bottom of the battery compartment.

[0016] Preferably, the electricity measurement contact assembly comprises:

[0017] A mounting seat is connected to the top of the shell, and a connecting head is arranged on the top of the mounting seat.

[0018] A measurement cutter is detachably connected to the connecting head, and the measurement cutter can be connected to the electricity measurement PCB wire when connected to the connecting head.

[0019] A locking cover can lock the measurement cutter in the connecting head.

[0020] Preferably, the connecting head comprises first and second connecting parts, the first connecting part is above the second connecting part, a connecting hole is arranged on the first connecting part, the connecting hole penetrates through the entire mounting seat, and at least two expansion grooves are arranged on the outer periphery of the connecting hole.

[0021] An outer thread is arranged on the outer side of the second connecting part.

[0022] The locking cover is a hollow structure penetrating from top to bottom, and an inner thread is arranged in the locking cover.

[0023] Preferably, the measurement cutter comprises a cutter body, and a cross-shaped cutter and a straight-shaped cutter are arranged on the two sides of the cutter body.

[0024] Either side of the cutter body can be inserted into the connecting head.

[0025] Preferably, a third contact piece is further arranged on the electricity measurement PCB, a first spring is arranged on the third contact piece, and the measurement cutter can be in contact with the first spring when inserted into the connecting head.

[0026] Preferably, a flashlight, a laser pen, or a non-contact temperature test module is further arranged on the mounting seat.

[0027] Preferably, the shell comprises a front shell and a rear shell, and the front shell and the rear shell are detachably connected.

[0028] The utility model has the advantages of:

[0029] The utility model provides a voice broadcast test electricity pen, this test electricity pen includes contact type test electricity function, non -contact type test electricity function and CONNECT conduction function, can carry out the transformation of different mode's test electricity function through pressing or contact VOLTAGE conductive button, presses down separately CONNECT conductive button and enters the conduction function test, can measure actual voltage value under contact type test electricity function, contact type test electricity function, non -contact type test electricity function and CONNECT conduction function, can all carry out voice broadcast to the result of test electricity through voice broadcast module, need not eye to read the measurement result, is applicable to various test scene. BRIEF DESCRIPTION OF DRAWINGS

[0030] In order to more clearly illustrate the technical scheme in the utility model embodiment, the following will introduce the drawing needed to be used in the utility model embodiment briefly, obviously, the drawing in the following description only is some embodiments of the utility model, for the ordinary skilled person in the art, under the premise of not paying creative labor, still can obtain other drawings according to the content of the utility model embodiment and these drawings.

[0031] Fig. 1 Provide a structure schematic diagram of voice broadcast test electricity pen for the utility model embodiment;

[0032] Fig. 2 Provide a cross section structure schematic diagram of voice broadcast test electricity pen for the utility model embodiment;

[0033] Fig. 3 Provide an exploded structure schematic diagram of voice broadcast test electricity pen for the utility model embodiment.

[0034] In the drawing:

[0035] 1, shell;11, front shell;12, rear shell;121, battery compartment;13, installation cavity;14, battery cover;

[0036] 2, test electricity PCB assembly;21, test electricity PCB;211, first contact piece;212, second contact piece;213, third contact piece;214, first spring;215, second spring;22, back light plate;23, liquid crystal display;24, transparent lens;25, start button;26, VOLTAGE conductive button;27, CONNECT conductive button;28, voice broadcast module;

[0037] 3, power supply;

[0038] 4, measuring contact assembly; 41, mounting seat; 411, mounting hole; 42, connector; 421, first connecting part; 4211, connecting hole; 4212, telescopic slot; 422, second connecting part; 43, measuring cutter head; 431, cutter body; 432, cross cutter; 433, straight cutter; 44, locking cover. DETAILED DESCRIPTION

[0039] In order to make the technical problems solved by the utility model, the technical scheme adopted and the technical effects reached more clear, the technical scheme of the embodiments of the utility model will be further described in detail below with reference to the drawings. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0040] In the description of the utility model, unless explicitly defined and limited, the terms "connected", "connected", "fixed" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements or the interaction relationship between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0041] In the utility model, unless explicitly defined and limited, the first feature "on" or "below" the second feature can include that the first and second features are in direct contact, or the first and second features are not in direct contact but are in contact through another feature between them. Moreover, the first feature "on", "above" and "above" the second feature includes that the first feature is directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" the second feature includes that the first feature is directly below and obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0042] In the description of the embodiment, the terms "up", "down", "left", "right", etc. orientation or position relationship is based on the orientation or position relationship shown in the drawings, only for the convenience of description and simplification of operation, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the utility model. In addition, the terms "first", "second" are only used to distinguish in the description, and have no special meaning.

[0043] As Figs. 1 to 3As shown, the utility model provides a voice broadcast test electric pen, include: casing 1, its inside is provided with installation cavity 13, casing 1 adopts plastic material, casing 1 includes front shell 11 and rear shell 12, the front shell 11 and the rear shell 12 surround and form the installation cavity 13, the front shell 11 and the rear shell 12 can be detachably connected, for example through buckle realizes detachable connection, test electric PCB assembly 2, it includes test electric PCB 21, be provided with back light plate 22, liquid crystal display 23, start key 25, VOLTAGE conductive button 26, CONNECT conductive button 27 and voice broadcast module 28 on test electric PCB 21, the upper of liquid crystal display 23 is provided with transparent lens 24 and protects it, and liquid crystal display 23 can adopt multicolor back light plate lamp pearl structure, realizes different scene light prompting function, power supply 3, it is with test electric PCB 21 wire connection, the top of casing 1 is provided with test electric contact assembly 4, test electric contact assembly 4 is with test electric PCB 21 wire connection, the voice broadcast test electric pen includes non-contact test electric mode and contact type test electric mode, when pressing or contacting VOLTAGE conductive button 26, the voice broadcast test electric pen enters contact type test electric mode. Regarding how to realize non-contact test electric function and contact type test electric function, it is prior art, here will not repeat, when adopting contact type test electric mode, real voltage can be measured, and the actual value is broadcasted by the voice broadcast mode. Specifically, when pressing the start button, after starting, when not pressing or not contacting the conductive VOLTAGE button, it belongs to non-contact test electric mode, this function is not real voltage value measurement from the technical level, because the induced voltage has frequency, it is changing all the time, cannot grasp the corresponding linear value, it can show certain induced value, but not real voltage value, at this time, the voltage value can be broadcasted by the voice broadcast module 28. When pressing or contacting VOLTAGE conductive button 26, the test electric pen enters contact type measurement mode, equivalent to human body directly accessing ground, at this time, the content displayed on the liquid crystal display 23 screen switches to real voltage display mode, and zero line voltage, leakage voltage and fire line voltage value can be measured, the measured voltage is real voltage, the highest can measure 500V voltage, the voltage value is broadcasted by the voice broadcast mode, and the broadcast voice supports multiple national languages. Further, when pressing CONNECT conductive button 27 alone, the conduction of the line can be measured to determine whether the line is broken or disconnected, and the function can also determine the positive and negative poles of the battery, and the conduction of the circuit can also be displayed by the voice broadcast mode.

[0044] The utility model provides a voice broadcast test electricity pen, this test electricity pen includes contact type electricity testing function and non -contact electricity testing function, can carry out the transformation of different mode's electricity testing function through pressing or contact VOLTAGE conductive button 26, can measure the actual voltage value under contact type electricity testing function. Contact type electricity testing function and non -contact electricity testing function can all carry out voice broadcast to the result of electricity testing through voice broadcast module 28, need not eye to read the measurement result, is applicable to various test scenes.

[0045] As Fig. 2 And 3 As shown in the shell 1 is provided with battery compartment 121, battery compartment 121 is set to the bottom of the rear side of rear shell 12, the rear side of the shell 1 is provided with detachable battery cover 14, battery cover 14 is used for sealing battery compartment 121, the power supply 3 is detachably connected in the battery compartment 121, the power supply 3 is seven batteries, two seven batteries are used in the embodiment, and greater endurance time can be obtained by using 7 batteries, and seven batteries are convenient to buy in the market. More specifically, the first contact piece 211 and the second contact piece 212 are provided on the PCB, the first contact piece 211 extends into the top of the battery compartment 121, the second contact piece 212 extends into the bottom of the battery compartment 121, and the second spring 215 is further connected to the first contact piece 211 or the second contact piece 212, which facilitates the installation and clamping of the power supply 3.

[0046] As Fig. 2 And 3As shown, the electric measurement contact assembly 4 comprises a mounting base 41 connected to the top of the shell, the top of the mounting base 41 is provided with a connecting head 42, the connecting head 42 comprises a first connecting part 421 and a second connecting part 422, the first connecting part 421 is above the second connecting part 422, the first connecting part 421 is provided with a connecting hole 4211, the connecting hole 4211 penetrates through the whole mounting base 41, at least two expansion grooves 4212 are arranged on the outer periphery of the connecting hole 4211, and the outer side of the second connecting part 422 is provided with external threads; a measurement cutter head 43, the measurement cutter head 43 comprises a cutter body (431) 431, the two sides of the cutter body (431) 431 are respectively provided with a cross cutter 432 and a straight cutter 433; any one side of the cutter body (431) 431 can be inserted into the connecting head 42. The measurement cutter head 43 is detachably connected to the connecting head 42, and the measurement cutter head 43 is connected to the connecting head 42 and can be connected with the electric measurement PCB 21; a locking cover 44 can lock the measurement cutter head 43 in the connecting head 42, the locking cover 44 is a hollow structure penetrating from top to bottom, and the inside of the locking cover 44 is provided with internal threads. Specifically, two kinds of cutter heads are selected, the cross cutter 432 and the straight cutter 433 are respectively adapted to different scenes. The following is a detailed explanation of how to install the measurement cutter head 43. The cross cutter 432 or the straight cutter 433 is inserted into the connecting hole 4211 of the connecting head 42, and then the locking cover 44 is penetrated, and the locking is performed through the cooperation of the internal threads of the locking cover 44 and the external threads of the second connecting part 422. Because the outer periphery of the connecting hole 4211 is provided with expansion grooves 4212, when the locking cover 44 is continuously screwed, the locking cover 44 moves downward, the inner cavity of the locking cover 44 extrudes the first connecting part 421, so that the first connecting part 421 folds to the middle of the connecting hole 4211 to clamp the measurement cutter head 43, thereby completing the installation of the measurement cutter head 43.

[0047] As shown in Fig. 2 and 3 As shown, the electric measurement PCB 21 is further provided with a third contact piece 213, the third contact piece 213 is provided with a first spring 214, the first spring 214 is welded with the third contact piece 213, and the measurement cutter head 43 can contact the first spring 214 when being inserted into the connecting head 42.

[0048] As shown in Fig. 2As shown, the mounting seat 41 is provided with a mounting hole 411, and the mounting hole 411 of the mounting seat 41 is further provided with a flashlight, a laser pen or a non-contact temperature testing module. Specifically, the mounting seat 41 is provided with a flashlight, which can provide illumination when the measurement environment is dim; when the mounting seat 41 is provided with a laser pen, the laser pen can be used as a pointer; when the mounting seat 41 is provided with a non-contact temperature testing module, non-contact measurement and stabilization can be performed, such as infrared temperature measurement, and after the temperature is measured, the temperature can also be displayed in the form of voice broadcast. It should be noted that the above functions are realized by being connected with the power measurement PCB 21, and the corresponding functions are controlled.

[0049] It should be noted that the above are only preferred embodiments of the present application and the technical principles applied. Those skilled in the art will understand that the present application is not limited to the specific embodiments described herein, and those skilled in the art can make various obvious changes, re-adjustments and substitutions without departing from the scope of the present application. Therefore, although the present application has been described in more detail through the above embodiments, the present application is not limited to the above embodiments, and can include more other equivalent embodiments without departing from the concept of the present application, and the scope of the present application is determined by the scope of the appended claims.

Claims

1. A voice announcement test pen, characterized by, The utility model relates to a voice broadcast live wire detector, including: The shell (1) is provided with installation cavity (13) in; The live wire detector PCB (2) includes live wire detector PCB (21), and the live wire detector PCB (21) is provided with back light board (22), liquid crystal display (23), power-on key (25), VOLTAGE conductive button (26), CONNECT conductive button (27) and voice broadcast module (28); The power supply (3) is electrically connected with the live wire detector PCB (21); The top of the shell (1) is provided with live wire detector contact assembly (4), and the live wire detector contact assembly (4) is electrically connected with the live wire detector PCB (21); The voice broadcast live wire detector includes non-contact live wire detection mode and contact live wire detection mode, and when pressing or contacting the VOLTAGE conductive button (26), the voice broadcast live wire detector enters the contact live wire detection mode.

2. The voice announcement electric tester according to claim 1, wherein The power supply (3) is a No. 7 battery.

3. The voice announcement test electrical pen according to claim 2, wherein, The shell (1) is provided with battery compartment (121) in, and the rear side of the shell (1) is provided with detachable battery cover (14); The power supply (3) is detachably connected in the battery compartment (121).

4. The voice announcement test electrical pen according to claim 3, wherein, The PCB is provided with first contact piece (211) and second contact piece (212), the first contact piece (211) extends into the top of the battery compartment (121), and the second contact piece (212) extends into the bottom of the battery compartment (121).

5. The voice announcement electric tester according to claim 1, wherein The live wire detector contact assembly (4) includes: The mounting seat (41) is connected to the top of the shell, and the top of the mounting seat (41) is provided with connecting head (42); The measuring cutter head (43) is detachably connected to the connecting head (42), and when the measuring cutter head (43) is connected to the connecting head (42), the measuring cutter head (43) can be electrically connected with the live wire detector PCB (21); The locking cover (44) can lock the measuring cutter head (43) in the connecting head (42).

6. The voice announcement test electrical pen according to claim 5, wherein, The connecting head (42) includes first connecting part (421) and second connecting part (422), the first connecting part (421) is located above the second connecting part (422), the first connecting part (421) is provided with connecting hole (4211), the connecting hole (4211) penetrates through the whole mounting seat (41), and at least two expansion slots (4212) are formed on the outer periphery of the connecting hole (4211); The outer side of the second connecting part (422) is provided with external thread; The locking cover (44) is a hollow structure penetrating from top to bottom, and the inside of the locking cover (44) is provided with internal thread.

7. The voice announcement test electrical pen according to claim 5, wherein, The measuring cutter head (43) includes cutter body (431), and the two sides of the cutter body (431) are respectively provided with cross cutter (432) and straight cutter (433); Either side of the cutter body (431) can be inserted into the connecting head (42).

8. The voice announcement test electrical pen according to claim 5, wherein, The live wire detector PCB (21) is further provided with third contact piece (213), the third contact piece (213) is provided with first spring (214), and when the measuring cutter head (43) is inserted into the connecting head (42), the measuring cutter head (43) can contact the first spring (214).

9. The voice announcement electric tester according to claim 5, wherein, A flashlight, or a laser pointer, or a non-contact temperature testing module is further arranged on the mounting seat (41).

10. The voice announcement electrical measuring pen according to claim 1, wherein, The shell (1) comprises a front shell (11) and a rear shell (12), and the front shell (11) and the rear shell (12) are detachably connected.

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