CN212905294U

CN212905294U - Detection device

Info

Publication number: CN212905294U
Application number: CN202020805288.0U
Authority: CN
Inventors: 陈志明; 黄金华; 刘炜
Original assignee: Shenzhen Fastprint Circuit Tech Co Ltd; Guangzhou Fastprint Circuit Technology Co Ltd
Current assignee: Shenzhen Fastprint Circuit Tech Co Ltd; Guangzhou Fastprint Circuit Technology Co Ltd
Priority date: 2020-05-14
Filing date: 2020-05-14
Publication date: 2021-04-06
Anticipated expiration: 2030-05-14

Abstract

The utility model discloses a detection device, which comprises a mounting seat, wherein the mounting seat is provided with a containing cavity for containing a relay; the holding piece is arranged on the mounting seat; and the detection assembly comprises probes, a switch and a control panel, the probes are arranged on the mounting seat and are at least two, the probes are used for being electrically connected with pins of the relay, and the probes and the switch are electrically connected with the control panel. This detection device can be applied to the function detection of relay, and in the time of the detection, one hand takes up detection device through the grip, makes the relay be located and holds the intracavity, simultaneously, makes the pin of probe and relay correspond, later, starts the detection through the switch to accomplish the detection, single can accomplish the operation, and simple swift, weak point consuming time compares the mode that two at least people of tradition detected, and detection efficiency is higher.

Description

Detection device

Technical Field

The utility model relates to an electronic detection technical field especially relates to a detection device.

Background

A Relay (hereinafter, simply called "Relay") is an electric control device that generates a predetermined step change in a controlled variable in an electric output circuit when a change in an input variable (excitation variable) meets a predetermined requirement. The automatic switch has an interactive relation between a control system (also called an input loop) and a controlled system (also called an output loop), is an automatic switch which uses a small current to control a large current to operate, is usually applied to an automatic control circuit and plays the roles of automatic regulation, safety protection, circuit conversion and the like.

SMT (Surface Mounted Technology) refers to Surface mounting Technology in the electronic assembly industry. In the SMT industry, functional testing of relays (e.g., SGRF303 relays) is typically performed by manual testing. This kind of manual detection usually needs one person to add the 5V power at the positive negative pole of relay, and another person uses the universal meter to measure whether other pins switch on to judge whether function up to standard of relay through datasheet. However, such a way of detecting functions usually requires at least two persons, which is not only time-consuming but also difficult to operate and labor-intensive.

SUMMERY OF THE UTILITY MODEL

Based on this, there is a need to provide a detection device; the detection device can be operated by one person, is simple to operate, consumes short time and has high detection efficiency.

The technical scheme is as follows:

one embodiment provides a detection apparatus comprising:

the mounting seat is provided with an accommodating cavity for accommodating the relay;

the holding piece is arranged on the mounting seat; and

the detection assembly comprises probes, a switch and a control panel, wherein the probes are arranged on the mounting seat and are provided with at least two probes, the probes are used for being electrically connected with pins of the relay, and the probes and the switch are electrically connected with the control panel.

Above-mentioned detection device is applied to the function detection of relay, and in the time of the detection, one hand takes up detection device through the grip, makes the relay be located and holds the intracavity, simultaneously, makes the pin of probe and relay correspond, later, starts the detection through the switch to accomplish the detection, single can accomplish the operation, and simple swift, weak point consuming time compares the mode that two at least people of tradition detected, and detection efficiency is higher.

The technical solution is further explained below:

in one embodiment, the plurality of probes are arranged at intervals around the periphery of the accommodating cavity, at least two detection units are formed on all the probes, and the switch is provided with at least two function switching positions which correspond to the detection units one by one. The relay is switched to different function switching positions through the switch, so that the relay can be detected according to different detection units and different functions of the relay.

In one embodiment, the detection assembly further comprises an indicator light, the indicator light is electrically connected with the control board, and the indicator light is used for indicating whether the relay is in normal function. Whether the function of the relay is normal or not is judged through the indicating lamp, and the method is simple and clear and is simple to operate.

In one embodiment, the mounting base is further provided with a limiting groove, and the limiting groove is used for limiting and matching with the relay or the limiting groove is used for limiting and matching with a circuit board where the relay is located.

In one embodiment, the mounting seat is arranged in a cylindrical shape, and the accommodating cavity is a circular groove formed in the mounting seat.

In one embodiment, the mounting seat has a first end and a second end opposite to each other, the accommodating cavity is opened at the first end of the mounting seat, and the holding part is arranged at the second end of the mounting seat.

In one embodiment, the holding part comprises a mounting column and a rear seat disc, wherein one end of the mounting column is fixed on the mounting seat, and the rear seat disc is fixed at the other end of the mounting column.

In one embodiment, the detection assembly further includes a connection line, one end of the connection line is electrically connected to the probe, the other end of the connection line is electrically connected to the control board, a line passing hole is formed in a side portion of the mounting seat, and the connection line passes through the line passing hole.

In one embodiment, the detection device further comprises a power supply component, and the power supply component is arranged on the control board.

In one embodiment, the number of the probes is four, six or eight, and all the probes are uniformly distributed on the periphery of the accommodating cavity.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification.

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a schematic view of the overall structure of the detecting device in the embodiment;

FIG. 2 is a front view of the detecting device in the embodiment of FIG. 1;

FIG. 3 is a cross-sectional view of the detecting unit in the embodiment of FIG. 1;

FIG. 4 is a top view of the detecting device in the embodiment of FIG. 1.

Reference is made to the accompanying drawings in which:

100. a mounting seat; 110. an accommodating chamber; 120. a limiting groove; 200. a grip; 210. mounting a column; 220. a rear seat pan; 300. a probe; 400. a relay.

Detailed Description

The embodiments of the present invention will be described in detail below with reference to the accompanying drawings:

in order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.

Referring to fig. 1 to 4, one embodiment provides a detection apparatus, which includes a mounting base 100, a holding member 200, and a detection assembly.

Wherein, the grip 200 is established on mount pad 100 to operating personnel holds when detecting, realizes one-man operation, and the at least testing section of determine module is established on mount pad 100, makes the contact of testing section and relay 400's pin with the operation through grip 200, realizes detecting, easy operation, and it is convenient to detect.

Specifically, the method comprises the following steps:

in one embodiment, referring to fig. 3, the mounting base 100 is provided with a receiving cavity 110 for receiving a relay 400. The cross-sectional shape of the receiving cavity 110 is configured to correspond to the shape of the relay 400, so that the relay 400 on the circuit board can extend into the receiving cavity 110 and the detection component can contact with the pins on the relay 400 during detection.

In one embodiment, referring to fig. 1 to 3, the holding member 200 is disposed on the mounting base 100.

The grip 200 provides a grip for an operator, and the grip 200 may be a handle or other member that facilitates the grip of the operator.

In one embodiment, the detecting assembly includes a probe 300, a switch (not shown) and a control board (not shown), the probe 300 is disposed on the mounting base 100 and has at least two pins, the probe 300 is used for electrically connecting with the pins of the relay 400, and the probe 300 and the switch are both electrically connected with the control board.

The number of the probes 300 is at least two, and the probes 300 are used for performing subsequent electrical connection detection on a pin on the relay 400 or a pin or a pad on a circuit board electrically connected with the relay 400.

The switch may be provided on the control board, may be provided on the mounting base 100, or may be provided on another member, and the switch is a device for detecting turning on or off.

The control board may be provided on the mounting base 100, or may be provided on another member, not necessarily on the mounting base 100, and is mainly used for calculation, processing, and control of detected signals, data, and the like.

A Relay (hereinafter, simply called "Relay") is an electric control device that generates a predetermined step change in a controlled variable in an electric output circuit when a change in an input variable (excitation variable) meets a predetermined requirement.

The automatic switch has an interactive relation between a control system (also called an input loop) and a controlled system (also called an output loop), is an automatic switch which uses a small current to control a large current to operate, is usually applied to an automatic control circuit and plays the roles of automatic regulation, safety protection, circuit conversion and the like. Since the relay is an automatic switching element with an isolation function, the relay is widely applied to remote control, remote measurement, communication, automatic control, mechatronics, and power electronic equipment, and is one of the most important control elements.

Relays generally have sensing mechanisms (input parts) that can reflect certain input variables (e.g., current, voltage, power, impedance, frequency, temperature, pressure, speed, light, etc.); an actuating mechanism (output part) which can realize the on and off control of the controlled circuit; between the input part and the output part of the relay, there is also an intermediate mechanism (driving part) for coupling and isolating the input quantity, processing the function and driving the output part. Relays, as control elements, generally have several functions as follows:

1) the function of enlarging the control range is as follows: for example, when the control signal of the multi-contact relay reaches a certain fixed value, the multi-path circuit can be switched on, switched off and switched on simultaneously according to different forms of contact groups.

2) The amplification effect is as follows: such as sensitive relays, intermediate relays, etc., can control very powerful circuits with a very small amount of control.

3) The effect of the integrated signal: for example, when a plurality of control signals are inputted to the multi-winding relay in a predetermined form, a predetermined control effect is achieved by comparison and integration.

4) Automatic, remote control, monitoring's effect: for example, relays installed on the automatic device, together with other electric appliances, may constitute a program control circuit to realize automatic operation.

The detection device that this embodiment provided, be applied to the function detection of relay 400, in the time of the detection, a hand takes up detection device through grip 200, make relay 400 be located and hold chamber 110, and simultaneously, make probe 300 correspond with relay 400's pin, afterwards, start the detection through the switch, thereby accomplish the detection, single can accomplish the operation, and simple and fast, consuming time is short, compare the mode that two at least people of tradition detected, detection efficiency is higher, detection efficiency has improved at least one time, two people cooperate when tradition detects and detect one and need 40 seconds, and adopt the detection device that this embodiment provided to detect certain function of relay 400, then only need 20 seconds.

In one embodiment, a plurality of probes 300 are provided, the probes 300 are arranged around the periphery of the accommodating cavity 110 at intervals, all the probes 300 are formed with at least two detection units, and the switch has at least two function switching positions, which correspond to the detection units one by one.

As shown in fig. 1 and 4, the plurality of probes 300 are provided, the plurality of probes 300 are arranged around the periphery of the accommodating cavity 110, the plurality of probes 300 form at least two detecting units, different detecting units detect different functions of the relay 400, and the switch corresponds to at least two function switching positions, that is, the switch can be switched to different function switching positions to detect different functions.

For example, when there are four probes 300, two probes 300 form one detecting unit, and four probes 300 form two detecting units, one detecting unit can be used to detect whether the relay 400 is short-circuited under certain conditions; another detection unit performs power-up and power-down tests on the relay 400 to determine whether preset requirements are met.

Of course, when there are four probes 300, it is also possible that any two probes 300 can be combined to form one detecting unit, for example, if the four probes 300 are numbered a, b, c, d, respectively, then the different probe 300 combinations can form six types ab, ac, ad, bc, cd, bd, then six detecting units can be formed to realize six types of functions or performance detection.

The probe is a test needle for testing, the surface of the probe is plated with gold, and a high-performance spring with the average service life of 3-10 ten thousand times is arranged in the probe.

Depending on the use of electronic testing, probes are generally classified into three types:

first, optical circuit board test probe: testing a circuit board without a component and only opening and short-circuiting a detection probe;

second, in-line test probe: the detection probe is arranged on the circuit board after the components are arranged;

third, microelectronic test probe: i.e., wafer test or chip IC inspection probes.

In one embodiment, the detection assembly further includes an indicator light (not shown) electrically connected to the control board, and the indicator light is used for indicating whether the relay 400 is functioning normally.

The indicator light is used to indicate whether a certain function of the detected relay 400 is normal, and is judged by whether the indicator light is on.

Alternatively, the indicator light may be disposed on the mounting base 100, the indicator light may also be disposed on the control board, and when detecting, the switch is turned to a function switching position of a function to be detected, the probe 300 corresponding to the detection unit is correspondingly contacted with the pin on the relay 400, and whether the indicator light is on is observed, and if the indicator light is on, the function is normal.

In one embodiment, the mounting base 100 is further provided with a limiting groove 120, and the limiting groove 120 is used for limiting and matching with the relay 400 or the limiting groove 120 is used for limiting and matching with a circuit board on which the relay 400 is located.

The limiting groove 120 may be matched with a corresponding portion of the relay 400 for limiting, so as to realize rapid alignment between the relay 400 and the mounting base 100, and allow the relay 400 to be accommodated in the accommodating cavity 110, thereby facilitating subsequent contact and further detection between the probe 300 and the pin.

The limiting groove 120 may be in limiting fit with a corresponding portion on the circuit board, so that the relay 400 on the circuit board can be quickly fitted with the mounting base 100 and accommodated in the accommodating cavity 110, thereby facilitating subsequent contact and further detection of the probe 300 and the pin.

In one embodiment, there may be at least two retaining grooves 120. So set up, realize more quick accurate spacing cooperation.

In one embodiment, referring to fig. 1 and 4, only one limiting groove 120 is provided, the limiting groove 120 is provided at the first end of the mounting seat 100, and the limiting groove 120 extends from the outer wall of the mounting seat 100 to the accommodating cavity 110.

In one embodiment, referring to fig. 1 and 4, the mounting base 100 is disposed in a cylindrical shape, and the receiving cavity 110 is a circular groove formed on the mounting base 100.

As shown in fig. 1, the mounting seat 100 is disposed in a cylindrical shape, and the receiving cavity 110 is a circular groove formed on the mounting seat 100.

Alternatively, the circular groove may be a blind groove, or may be a through groove, as long as the accommodation function of the relay 400 can be achieved.

In one embodiment, the mounting base 100 has a first end and a second end opposite to each other, the receiving cavity 110 is opened at the first end of the mounting base 100, and the holding member 200 is disposed at the second end of the mounting base 100.

The mounting seat 100 is disposed in a cylindrical shape, the first end and the second end of the mounting seat 100 are respectively disposed at two ends of a cylindrical structure, the accommodating cavity 110 is disposed at the first end of the mounting seat 100, and the holding member 200 is fixed at the second end of the mounting seat 100.

As shown in fig. 1, the first end of the mounting seat 100 is an upper end, the accommodating cavity 110 is opened at the upper end of the mounting seat 100, and a central axis of a cavity of the accommodating cavity 110 coincides with a central axis of a cylinder of the mounting seat 100; the second end of the mounting seat 100 is a lower end, and the holding member 200 is fixed at the lower end of the mounting seat 100.

During the work, operating personnel takes up mount pad 100 through grip 200, make relay 400 hold in holding chamber 110, simultaneously, carry out spacing cooperation through spacing groove 120 and relay 400 or circuit board, so that relay 400 or circuit board can realize counterpointing with (mount pad 100) of detection device rapidly, and make pin 300 and the pin of relay 400 or the pin contact electric connection on the circuit board, then, whether normal whether current detection function of this relay 400 is judged through opening the switch and observing the pilot lamp.

In one embodiment, referring to fig. 1 to 3, the grip 200 includes a mounting post 210 and a rear seat plate 220, one end of the mounting post 210 is fixed on the mounting seat 100, and the rear seat plate 220 is fixed on the other end of the mounting post 210.

In one embodiment, the detecting assembly further includes a connecting wire, one end of the connecting wire is electrically connected to the probe 300, the other end of the connecting wire is electrically connected to the control board, a wire passing hole is formed in a side portion of the mounting base 100, and the connecting wire passes through the wire passing hole.

Further, the mounting base 100 is further provided with a fixing body, and the fixing body is used for fixing at least one connecting line led out through the line passing hole on the mounting base 100. The fixing body can be colloid so as to realize the functions of gathering, arranging and fixing the connecting wire.

In one embodiment, referring to fig. 3, the depth of the receiving groove on the mounting seat 100 is greater than the height of the relay 400. With such an arrangement, on the one hand, the function detection requirements of the relays 400 with different heights can be met, and on the other hand, the connecting wires of the detection assemblies on the mounting base 100 can be partially accommodated in the empty accommodating grooves, so that the problem of the wiring space of the connecting wires is solved.

In one embodiment, the detection device further comprises a power supply assembly, the power supply assembly being provided on the control board.

Detection device can be from taking the power, if can be 5V power, and power supply module fixes on the control panel to directly detect when detecting, need not to introduce external power source, simultaneously, power supply module can also with control panel electric connection.

In one embodiment, four or six or eight probes 300 are provided, and all probes 300 are uniformly arranged on the periphery of the accommodating cavity 110.

As shown in fig. 1 and 4, in the embodiment, there are six probes 300, and as can be clearly seen from the top view shown in fig. 4, three probes 300 are uniformly distributed on one side of the upper end of the mounting base 100, three probes 300 are uniformly distributed on the other side of the upper end of the mounting base 100, and six probes 300 are arranged around the periphery of the accommodating cavity 110.

So set up, six probes 300 all with control panel electric connection, six probes 300 form a plurality of detecting element, different detecting element correspond different function switch positions on the switch again, when corresponding probe 300 touched the pin of relay 400, and the switch dials the function switch position that corresponds, can realize the detection to the corresponding function of relay 400.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element 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 "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 at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. 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 the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" 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 also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A detection device, comprising:

the holding piece is arranged on the mounting seat; and

2. The detection device according to claim 1, wherein a plurality of probes are provided, the probes are arranged at intervals around the periphery of the accommodating cavity, all the probes are formed with at least two detection units, the switch has at least two function switching positions, and the function switching positions correspond to the detection units one by one.

3. The detection device as claimed in claim 1, wherein the detection assembly further comprises an indicator light electrically connected to the control board, the indicator light being used for indicating whether the relay is functioning normally.

4. The detection device according to claim 1, wherein a limiting groove is further formed in the mounting base, and the limiting groove is used for limiting and matching with the relay or the circuit board where the relay is located.

5. The detecting device for detecting the rotation of a motor rotor as claimed in claim 1, wherein the mounting seat is cylindrically arranged, and the accommodating cavity is a circular groove formed on the mounting seat.

6. The testing device of claim 1, wherein the mounting block has first and second opposing ends, the receiving cavity opening at the first end of the mounting block, and the gripping member at the second end of the mounting block.

7. The detecting device for detecting the rotation of a motor rotor as claimed in claim 1, wherein the holding piece comprises a mounting column and a rear seat disc, one end of the mounting column is fixed on the mounting seat, and the rear seat disc is fixed at the other end of the mounting column.

8. The detection device according to claim 1, wherein the detection assembly further comprises a connection line, one end of the connection line is electrically connected to the probe, the other end of the connection line is electrically connected to the control board, a line passing hole is formed in a side portion of the mounting seat, and the connection line passes through the line passing hole.

9. The device of any of claims 1-8, further comprising a power module, wherein the power module is disposed on the control panel.

10. The detecting device for detecting the rotation of a motor rotor as claimed in claim 9, wherein the number of the probes is four or six or eight, and all the probes are uniformly arranged on the periphery of the containing cavity.