CN212180985U

CN212180985U - Cable detector

Info

Publication number: CN212180985U
Application number: CN202020554761.2U
Authority: CN
Inventors: 杨乐; 李丹
Original assignee: Xian Aircraft Design and Research Institute of AVIC
Current assignee: Xian Aircraft Design and Research Institute of AVIC
Priority date: 2020-04-15
Filing date: 2020-04-15
Publication date: 2020-12-18
Anticipated expiration: 2030-04-15

Abstract

The embodiment of the utility model provides a cable detector is about. This cable detector includes a casing, still includes: the multifunctional adapter part is arranged on one side wall of the shell, and a plurality of groups of connecting joints are arranged in the adapter part and are used for being connected with an external cable; the detection part is arranged in the shell, is connected with the plurality of groups of connecting joints, and is used for detecting the on-off of the external cable and generating a digital signal according to the detection result; an adjustment key part including a channel selection button so that the detection part can be switched to a preset operation mode by adjusting the channel selection button; and the display part is arranged on the other side wall of the shell and used for receiving the digital signal sent by the detection part and displaying the digital signal so as to present the detection result of the detection part. The embodiment of the utility model provides a can effectively improve staff's detection efficiency and detection accuracy to and improve the functional diversity of detector.

Description

Cable detector

Technical Field

The embodiment of the utility model provides a relate to cable detection technical field, especially relate to a cable detector.

Background

Various cables are often densely distributed in the existing electric products, and the cables have various types and specifications and carry various types of connectors, and the quality of the cables directly affects the overall quality of the electric products. Therefore, various cables must be regularly detected to improve the quality of products and the satisfaction of users.

The current industry generally adopts artifical manual measurement's mode, promptly, surveys the break-make condition at cable both ends through the universal meter. However, the method is low in efficiency and large in error, and leakage detection and error detection often occur, for example, a digital multimeter defaults that the detected object is in a conducting state under the condition that the resistance value of the detected object is smaller than 30 ohms, but the resistance value of a common cable is still smaller than 30 ohms under the conditions of wire loss or poor contact and the like, so that the fault cable is difficult to effectively judge by using the digital multimeter alone. In addition, some special cable test instruments in the market, such as a network cable on-off tester, can only test cables with fixed interface models, so that the cable on-off tester does not have universality, and is difficult to meet the test of maintenance personnel on various cables in the cabinet. Accordingly, there is a need to ameliorate one or more of the problems with the related art solutions described above.

It is noted that this section is intended to provide a background or context to the embodiments of the invention that are recited in the claims. The description herein is not admitted to be prior art by inclusion in this section.

SUMMERY OF THE UTILITY MODEL

An object of the embodiment of the utility model is to provide a cable detector, and then overcome one or more problems that lead to because the restriction of correlation technique and defect to a certain extent at least.

According to the utility model discloses an aspect provides a cable detector, and this detector includes a casing, and this detector still includes:

the multifunctional adapter part is arranged on one side wall of the shell, and a plurality of groups of connecting joints are arranged in the adapter part and are used for being connected with an external cable;

the detection part is arranged in the shell, is connected with the plurality of groups of connecting joints, and is used for detecting the on-off of the external cable and generating a digital signal according to the detection result;

an adjustment key part including a channel selection button so that the detection part can be switched to a preset operation mode by adjusting the channel selection button;

the display part is arranged on the other side wall of the shell and used for receiving the digital signal sent by the detection part and displaying the digital signal so as to present the detection result of the detection part;

wherein, the adjusting button part is arranged below the display part.

In an embodiment of the present invention, the detection unit includes:

the power supply part is used for providing power supply for the detector;

the relays are respectively communicated with the plurality of groups of connecting joints so as to control the input quantity of the external cable to reach a preset value;

and the test circuit board is respectively connected with the power supply part and the relays so as to detect the on-off condition of the external cables communicated through the relays and generate a digital signal according to the detection result.

In an embodiment of the present invention, the test circuit board includes a single chip, an analog-to-digital converter and a filter.

In an embodiment of the present invention, the power supply unit is a storage battery.

In an embodiment of the present invention, the adjusting button portion further includes:

the power supply gear adjusting button is used for adjusting the voltage of the power supply part;

and the relay switch button is used for adjusting the opening and closing of the relays.

The utility model discloses an in the embodiment, this detector still includes:

the detection probe part is arranged on the other side wall different from the display part, one end of the detection probe part is connected with the multifunctional adapter plate, and the other end of the detection probe part is used for being in contact connection with the external cable;

the indicator light is arranged below the display part and used for displaying different colors when the detection result of the external cable is detected;

and the alarm is arranged below the display part and used for sending out alarm sound when the external cable is detected to be disconnected.

and the volume adjusting button is used for adjusting the size of the alarm sound.

The utility model discloses an in the embodiment, be used for setting up and have a recess on the casing lateral wall of detection probe portion to place this detection probe portion in the recess, and the top of this detection probe portion still be equipped with one with the apron of recess looks adaptation, the apron through the pivot with the casing side is connected.

The utility model discloses an in the embodiment, multi-functional switching portion upper portion is equipped with a protection casing, and this protection casing through the hinge with the casing side is connected to prevent through this protection casing that the foreign matter from causing multiunit attach fitting blocks up.

In an embodiment of the present invention, the models of the plurality of sets of connection joints are different.

The embodiment of the utility model provides a technical scheme can include following beneficial effect:

in the embodiment of the utility model, according to the cable detector provided above, by communicating the external cable with the multifunctional switching part, the on-off performance of the cable can be detected by the internal detection part, the operation is convenient, the visual display of the detection result is performed by the display part, and the detection efficiency and the detection accuracy of the staff can be effectively improved; can be connected with the cable of different models through setting up multi-functional switching portion, improve the functional diversity of detector, be fit for various electrical equipment's use.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure. It is to be understood that the drawings in the following description are merely exemplary of the disclosure, and that other drawings may be derived from those drawings by one of ordinary skill in the art without the exercise of inventive faculty.

Fig. 1 shows a schematic view of the overall structure of a detector in an exemplary embodiment of the present invention;

fig. 2 shows a schematic view of the overall structure of the detector in an exemplary embodiment of the present invention;

fig. 3 shows a schematic diagram of an internal test circuit of a detector according to an exemplary embodiment of the present invention;

fig. 4 shows a schematic diagram of a detector circuit in an exemplary embodiment of the present invention.

Detailed Description

Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the examples set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.

Furthermore, the drawings are merely schematic illustrations of embodiments of the invention, which are not necessarily drawn to scale. The same reference numerals in the drawings denote the same or similar parts, and thus their repetitive description will be omitted. Some of the block diagrams shown in the figures are functional entities and do not necessarily correspond to physically or logically separate entities.

A cable tester is provided in this example embodiment. Referring to fig. 1, the cable tester may include: the multifunctional adapter comprises a shell 100, a multifunctional adapter part 200, a detection part 700, an adjusting key part 300 and a display part 400.

The multifunctional adapter 200 is disposed on a sidewall of the housing 100, and a plurality of sets of connection connectors 201 are disposed in the adapter 200 for connecting with external cables; the detection part 700 is disposed inside the housing 100, connected to the plurality of sets of connection terminals 201, and configured to detect connection and disconnection of the external cable and generate a digital signal according to a detection result.

The adjustment key part 300 includes a channel selection button to enable the detection part 700 to switch to different operation modes by adjusting the channel selection button; the display part 400 is disposed on the other side wall of the casing 100, and is configured to receive the digital signal sent by the detection part 700 and display the digital signal to present a detection result of the detection part 700; wherein, the adjustment key part 300 is disposed below the display part 400.

According to the cable detector, the external cable is communicated with the multifunctional switching part 200, the on-off performance of the cable can be detected through the internal detection part 700, the operation is convenient, the detection result is visually displayed through the display part 400, and the detection efficiency and the detection accuracy of workers can be effectively improved; through setting up multi-functional switching portion 200 can be connected with the cable of different models, improves the functional diversity of detector, is fit for the use of various electrical equipment.

Next, each part of the above-described cable check meter in the present exemplary embodiment will be described in more detail with reference to fig. 1 to 4.

In one embodiment, the testing apparatus comprises a housing 100, a multifunctional adapter 200, a testing part 700, an adjusting button 300 and a display 400.

Illustratively, the multifunctional adapter 200 is disposed on a sidewall of the housing 100, and a plurality of sets of connection connectors 201 are disposed in the adapter 200 for connecting with external cables; the detection part 700 is arranged inside the shell 100, is connected with the plurality of groups of connecting joints 201, and is used for detecting the on-off of the external cable and generating a digital signal according to the detection result; the adjustment key part 300 includes a channel selection button to enable the detection part 700 to switch to different operation modes by adjusting the channel selection button; the display part 400 is disposed on the other side wall of the casing 100, and is configured to receive the digital signal sent by the detection part 700 and display the digital signal to present a detection result of the detection part 700; wherein, the adjustment key part 300 is disposed below the display part 400.

Specifically, as shown in fig. 1, the detector is a casing 100-shaped structure, and a multifunctional adapter 200, which may be a multifunctional adapter plate without limitation, is disposed on a side wall of the casing 100, and a plurality of sets of connection joints 201 are disposed on the multifunctional adapter plate; in one example, the plurality of sets of connection terminals 201 are of different types. Because this multiunit attach fitting 201 is used for being connected with outside cable, and outside cable includes diversified cable, for example, net twine, signal line, telephone line etc. do not do the restriction here, and the interface model of these cables is all inequality greatly, for making it convenient to detect, sets up the attach fitting 201 of the different models of multiunit on the lateral wall of this detector to when detecting cable break-make performance, can be quick be connected with the detector, improve the efficiency that detects to a certain extent.

In addition, a detection part 700 is fixed inside the housing 100 of the detecting device, and in one example, the detection part 700 includes a power supply part 701 for supplying power to the detecting device; a plurality of relays 702 respectively connected to the plurality of sets of connection terminals 201 to control the input amount of the external cable to reach a predetermined value; and a test circuit board 703 which is connected to the power supply part 701 and the plurality of relays 702, respectively, to detect the on/off state of the external cables connected through the relays 702, and generates a digital signal according to the detection result. Specifically, as shown in fig. 3 and 4, the relay 702 is an electrically controlled device, and has an automatic switching element with an isolation function, and the relay 702 generally has a sensing mechanism capable of reflecting a certain input variable (such as current, voltage, power, impedance, frequency, temperature, pressure, speed, light, etc.). In this example, the plurality of relays 702 are respectively communicated with the plurality of sets of connection connectors 201, and when the external cable is connected to the connection connector 201 of the corresponding model and the detecting instrument opens the detecting cable, the corresponding relay 702 will control the input quantity of the received external cable to a certain value, and the input quantity may refer to a signal input by the cable, which can be understood by referring to the prior art. In addition, the relay 702 also plays a role in automatic adjustment, safety protection, switching circuit, and the like in the circuit, and is not particularly limited.

In one example, the power supply 701 is a battery. As shown in fig. 4, the battery is used to supply power to the test circuit board 703, the relay 702, the display unit 400, the indicator lamp 600, the alarm 700, and the like described below.

The test circuit board 703 has one end connected to the power supply unit 701 and one end connected to the relay 702 for detecting the on/off state of the external cable connected through the relay 702 and generating a digital signal according to the detected result. In one example, the test circuit board 703 includes a single chip, an analog-to-digital converter, and a filter. The test circuit board 703 may further include, for example, an on-off circuit test module, but is not limited thereto, and the single chip microcomputer may control the on-off circuit test module to detect an external cable, and convert an obtained detection analog signal into a digital signal through an analog-to-digital converter.

In addition, as shown in fig. 1, a display portion 400, i.e., a display screen, is further disposed on one side wall of the casing 100 of the testing apparatus, and the display screen can receive the digital signal of the result sent by the test circuit board 703 of the detecting portion 700 and visually display the digital signal, for example, only the "on" or "off" text is displayed on the display screen, so that the tester can quickly identify the on-off status of the testing cable. An adjusting button portion 300 is further disposed below the display portion 400, the adjusting button portion 300 includes a channel selection button, and the channel selection button can control the test circuit board 703 in the detection portion 700 to switch to a preset working mode, for example, if the external cable to be detected is a network cable, the test circuit board 703 is switched to the network cable detection mode by adjusting the channel selection button, and if the external cable to be detected is a signal cable, the test circuit board 703 is switched to the signal cable detection mode by adjusting the channel selection button, which can be specifically adjusted according to actual detection. In the embodiment, the external cable is communicated with the multifunctional adapter plate, so that the on-off performance of the cable can be detected through the test circuit board 703 inside the detector, the operation is convenient, parameters are visually displayed through the display screen, and the detection efficiency and the detection accuracy of detection personnel can be effectively improved; can be connected with the cable of different models through setting up multi-functional keysets, improve the functional diversity of device, be fit for the use of various electrical equipment.

In one embodiment, the adjustment key part 300 further includes: a power supply gear adjusting button for adjusting the voltage of the power supply part 701; the relay 702 switch buttons are used for adjusting the opening and closing of the plurality of relays 702.

Specifically, for detecting different external cables, the required voltages are different, and the voltage of the power supply part 701 at the moment can be adjusted to a proper voltage through an external power supply gear adjusting button, so that the detection accuracy is ensured; the outside of the detector is also provided with a relay 702 switch button, so that the corresponding switch of the relay 702 can be switched on according to the type of the detection cable, and the accuracy of the detection cable can also be improved to a certain extent.

In one embodiment, the apparatus further comprises: the detection probe part 500 is arranged on the other side wall different from the display part 400, one end of the detection probe part 500 is connected with the multifunctional adapter plate, and the other end of the detection probe part 500 is used for being in contact connection with the external cable; an indicator lamp 600 disposed below the display unit 400, for displaying a different color when the detection result of the external cable is detected; and an alarm 700 provided below the display unit 400, for sounding an alarm when the disconnection of the external cable is detected.

Specifically, as shown in fig. 2, the cable that can be detected after being connected with the multifunctional adapter plate through the detection probe is contacted, and the cable without the connector is convenient to use. In one example, a groove 501 is formed in a side wall of the housing 100 for disposing the detection probe portion 500, so that the detection probe portion 500 is disposed in the groove 501, and a cover plate adapted to the groove 501 is further disposed above the detection probe portion 500, and the cover plate is connected to a side surface of the housing 100 through a rotating shaft.

In addition, in the present embodiment, the status indication can be performed on the connection status of the cable through the indicator lamp 600 and the alarm 700, and when the line detection is abnormal, the alarm 700 can perform an audible alarm. In one example, the adjustment key part 300 further includes: and the volume adjusting button is used for adjusting the size of the alarm sound.

In one embodiment, a protective cover 203 is disposed on the upper portion of the multifunctional adapter 200, and the protective cover 203 is connected to the side of the housing 100 through a hinge 202, so that the protective cover 203 prevents foreign objects from blocking the plurality of sets of connection joints 201.

The utility model discloses an operating principle does, at first opens the detector through the switch button in adjusting button portion 300, and the connector end and the corresponding cable attach fitting 201 in multi-functional keysets surface of the cable that will detect are connected, select the same cable attach fitting 201 according to the type of cable. When the end of the cable to be detected has no connection terminal, the detection probe of the detection probe part 500 in the rear groove 501 of the housing 100 can be taken out to be in contact connection with the cable to be detected, thereby realizing detection. After the connection finishes, according to the project that will detect, open corresponding detection mode through the button in the regulation button, detect the break-make state and various information of cable through inside detection circuitry board, show detection information through the display screen, the staff of being convenient for records, can carry out light display and audible alarm to the detection state of cable through status indicator lamp 600 and alarm 700 simultaneously. After finishing using, cover the protection casing 203 in the multi-functional conversion fishplate bar outside downwards, protect the multi-functional conversion fishplate bar, avoid the foreign matter to get into in cable attach fitting 201, influence next use.

According to the cable detector, the external cable is communicated with the multifunctional switching part, the on-off performance of the cable can be detected through the internal detection part, the operation is convenient, the detection result is visually displayed through the display part, and the detection efficiency and the detection accuracy of workers can be effectively improved; can be connected with the cable of different models through setting up multi-functional switching portion, improve the functional diversity of detector, be fit for various electrical equipment's use.

It is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like in the foregoing description are used for indicating or indicating the orientation or positional relationship relative to that shown in the drawings, merely for the purpose of describing embodiments of the present invention and simplifying the 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 limiting of embodiments of the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as fixed or detachable connections or as an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In embodiments of the invention, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features through another feature not in direct contact. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., 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 invention. In this specification, the schematic representations of the terms used above are not necessarily intended to 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. Furthermore, various embodiments or examples described in this specification can be combined and combined by those skilled in the art.

Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the invention being indicated by the following claims.

Claims

1. The utility model provides a cable detector, this detector includes a casing, its characterized in that, this detector still includes:

wherein, the adjusting button part is arranged below the display part.

2. The cable tester of claim 1, wherein the testing portion includes:

the power supply part is used for providing power supply for the detector;

3. The cable tester of claim 2, wherein the test circuit board includes a single-chip, an analog-to-digital converter, and a filter.

4. The cable tester of claim 2, wherein the power source is a battery.

5. The cable tester of claim 2, wherein the adjustment button portion further comprises:

6. The cable tester of claim 1, further comprising:

7. The cable tester of claim 6, wherein the adjustment button portion further comprises:

8. The cable tester according to claim 6, wherein a groove is formed in a side wall of the housing for mounting the test probe portion, so that the test probe portion is placed in the groove, and a cover plate adapted to the groove is further provided above the test probe portion, and the cover plate is connected to a side surface of the housing through a rotating shaft.

9. The cable tester according to claim 1, wherein a protective shield is provided on the upper portion of the multi-functional adapter, and the protective shield is connected to the side of the housing via a hinge shaft, so as to prevent the blocking of the plurality of sets of connectors by foreign objects.

10. The cable tester of claim 8, wherein the plurality of sets of connector contacts are of different types.