CN219267954U - Electric connector, circuit board and air conditioner - Google Patents

Abstract

The utility model discloses an electric connector, a circuit board and an air conditioner, wherein the electric connector comprises a connecting component, the connecting component is provided with a fixed terminal and a movable terminal which can realize electric connection, the electric connector also comprises an optical detector for detecting the position of the movable terminal relative to the fixed terminal, the optical detector is fixed relative to the fixed terminal, and the movable terminal is provided with a positioning identification part for the optical detector to detect. The utility model adopts the optical detector to realize the non-contact detection of the electric connector, avoids the mechanical interaction between the detection device and the electric connector, avoids the mutual influence of the detection device and the electric connector, and can realize the detection of a plurality of electric connectors at the same time.

Description

Electric connector, circuit board and air conditioner

Technical Field

The present utility model relates to the field of electrical connection technologies, and in particular, to an electrical connector, a circuit board, and an air conditioner.

Background

Electrical appliances typically require various electrical connectors for connection and disconnection of electrical circuits, which typically have two mating connection terminals, such as a socket and a plug, for use in a variety of products, such as computers, communications equipment, televisions, air conditioners, and the like. Although the electric connector can realize convenient electric connection and separation between devices, the electric connectors belong to separable connection, and the connection state is required to be frequently switched sometimes, so that the stability of the connection is poor, the detection of the combination state of two connecting terminals can not be timely perceived after the connection is disconnected, the pressure sensor is commonly adopted in the prior art, however, the pressure sensor and the connector are required to have mechanical action, so that the pressure sensor and the connector are easy to mutually influence, the installation of the pressure sensor brings inconvenience to the installation of the electric connector, and the frequent pulling and the insertion of the electric connector also influence the stability of the pressure sensor.

Disclosure of Invention

In order to solve the problem that the pressure sensor is unfavorable for the detection of the electric connector, the utility model provides the optical detection device for realizing the monitoring of the connection state of the electric connector, and the problem of mutual influence on the mechanical action of the pressure sensor and the electric connector is avoided.

The technical scheme includes that the electric connector comprises a connecting assembly, wherein the connecting assembly is provided with a fixed terminal and a movable terminal which can be electrically connected, the electric connector further comprises an optical detector for detecting the position of the movable terminal relative to the fixed terminal, the optical detector is fixed relative to the fixed terminal, and the movable terminal is provided with a positioning identification part for the optical detector to detect.

In some embodiments, the optical detector includes a light emitting end and a light receiving end, the positioning mark is located on the optical path between the light emitting end and the light receiving end, and the change of the position of the positioning mark is determined by detecting the change of the light received by the light receiving end.

In some embodiments, the positioning identifier is a protrusion disposed on the movable terminal, and when the movable terminal is connected to the fixed terminal, the protrusion is located on an optical path between the light emitting end and the light receiving end.

In some embodiments, a plurality of the connection assemblies are disposed between the light emitting end and the light receiving end in parallel, and when the fixed terminal is connected with the movable terminal, positions of the protruding portions on the movable terminal are different, and the different protruding portions correspond to different light beams.

In some embodiments, the fixed terminal is a socket, the movable terminal is a plug, the socket is provided with a slot into which the plug is inserted, the positioning identification part is arranged on the side wall of the plug, an opening corresponding to the positioning identification part is arranged on the side wall of the slot, and when the plug is inserted into the slot, the positioning identification part leaks out from the opening.

In some embodiments, a spring is provided on a side wall of the plug, and the positioning mark is provided on the spring.

In some embodiments, the end of the spring plate is provided with a clamp protruding outwards, and the bottom of the side wall of the slot is provided with a clamping hole into which the clamp is inserted.

In some embodiments, the optical detector is configured to detect the location identifier and to send out a connection indication signal when the optical detector detects the location identifier.

A circuit board comprising an electrical connector as claimed in any one of the preceding claims.

The air conditioner comprises the circuit board.

The detection method for the air conditioner comprises the steps of judging whether the fixed terminal and the movable terminal of the connecting assembly are successfully connected;

if yes, detecting working parameters of the air conditioner through the connecting assembly, comparing the working parameters with corresponding preset ranges, and analyzing whether the air conditioner is abnormal or not according to comparison results.

Compared with the prior art, the utility model has the following beneficial effects:

1. the utility model adopts the optical detector to realize the non-contact detection of the electric connector, avoids the mechanical interaction between the detection device and the electric connector, avoids the mutual influence of the detection device and the electric connector, and can realize the detection of a plurality of electric connectors at the same time.

2. A plurality of electric connectors are arranged between the light emitting end and the light receiving end of the optical detector in parallel, different light beams are used for detecting the connection condition of different electric connectors, and the on-off detection of one optical detector on a plurality of electric connectors is realized.

3. The side wall of the plug used as the movable terminal is provided with the elastic piece, when the plug is inserted into the slot, the elastic piece is extruded to deform, when the protruding part enters the opening of the side wall of the slot, the shape of the elastic piece is restored, the protruding part is ensured to be blocked in the opening, and meanwhile, the stability of connection between the plug and the socket is also maintained.

Drawings

The present utility model will now be described in detail with reference to specific embodiments and drawings, which are not necessarily to scale, emphasis instead being placed upon illustrating the principles of the utility model. The drawings illustrate generally, by way of example and not limitation, embodiments discussed herein. Wherein:

fig. 1 is a schematic view of an electrical connector.

Fig. 2 is a schematic cross-sectional view of an electrical connector.

Fig. 3 is an axial schematic view of the fixed terminal.

Fig. 4 is an axial schematic view of the movable terminal.

Fig. 5 is a side schematic view of the terminal.

Fig. 6 is a schematic view of the optical detector disposed on a circuit board mated with an electrical connector.

In the figure, 1, a stator; 101. an opening; 102. a clamping hole; 103. a stitch; 2. a movable terminal; 20. a spring plate; 201. positioning the identification part; 202. a chuck; 203. a jack; 204. a clip; 3. a light emitting end; 4. a light receiving end; 5. a circuit board.

Detailed Description

The following are specific examples of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these examples, and the following embodiments do not limit the utility models according to the claims. Furthermore, all combinations of features described in the embodiments are not necessarily essential to the inventive solution.

The principles and structures of the present utility model are described in detail below with reference to the drawings and the examples.

Example 1

There are many types of electrical connection devices available in the market, and the devices can be used in various products, such as computers, communication equipment, televisions, air conditioners, etc. However, the connection device for precision and important equipment in the prior art is generally simple in structure and single in function, only has a basic connection transmission function, and because the electric connectors belong to separable connection and sometimes need to be frequently switched in connection state, the connection stability is poor, when the connection is disconnected and cannot be timely perceived, a worker can only manually connect the connectors, and judges whether the electric connectors are qualified or not by means of the connection fastening degree of the connectors, the judgment result often shows missed judgment and misjudgment, especially when the number of the connectors is too large, the connectors are detected one by one, time and effort are wasted, whether the connection is in place cannot be detected, meanwhile, the detection and analysis cannot be carried out on the connection state, and when the fault occurs, the signal transmission through the connectors is problematic, and the whole system is possibly paralyzed. The judgment and analysis of staff are inconvenient. Particularly, for an apparatus having a plurality of scattered functional components such as an air conditioner, a large number of electric connectors are required to be connected with a control main board so as to obtain the working state of each functional component and control the working of each functional component, so that it is extremely important to obtain the connection state of each electric connector in time, in the prior art, a pressure sensor is generally adopted to realize the detection of the combination state of two connecting terminals, however, a mechanical action is required between the pressure sensor and the electric connector, so that the two are easy to influence each other, the installation of the pressure sensor brings inconvenience to the installation of the electric connector, and the frequent pulling and inserting of the electric connector also influences the stability of the pressure sensor.

For this purpose, as shown in fig. 1, 2, 3 and 4, an electrical connector is provided, which comprises a connection assembly, wherein the connection assembly comprises a fixed terminal 1 and a movable terminal 2 which can be electrically connected, and further comprises an optical detector for detecting the position of the movable terminal relative to the fixed terminal 1, the optical detector is fixed relative to the fixed terminal 1, a positioning identification part 201 for the optical detector to detect is arranged on the movable terminal 2, and the optical detector determines the position of the movable terminal 2 relative to the fixed terminal 1 according to the position of the positioning identification part 201, so as to determine whether the movable terminal 2 and the fixed terminal 1 are in a connection state. The optical detector may be a reflective optical detector or a direct-projection optical detector, for example, may be a reflective photoelectric sensor or a photoelectric correlation tube or a visual photoelectric sensor, and the positioning identification portion 201 may be an object that may be identified and positioned by the optical detector, such as a illuminant, a reflector, or a light blocking body, and the optical detector is used to implement non-contact detection on the electrical connector, so that mechanical interaction between the detection device and the electrical connector is avoided, mutual influence between the detection device and the electrical connector is avoided, and detection on multiple electrical connectors can be implemented simultaneously.

As shown in fig. 6, the optical detector includes a light emitting end 3 and a light receiving end 4, the positioning identifier 201 is located on the optical path between the light emitting end 3 and the light receiving end 4, and the positioning identifier 201 is located on or separated from the optical path or changes in position relative to the optical path, so that the received signal of the light receiving end 4 changes, and then the change in position of the positioning identifier 201 is determined by detecting the change in light received by the light receiving end 4, so as to determine whether the connection state of the movable terminal 2 and the fixed terminal 1 changes.

The positioning identification part 201 is a protruding part arranged on the movable terminal 2, when the movable terminal 2 is connected with the fixed terminal 1, the protruding part is positioned on a light path between the light emitting end 3 and the light receiving end 4, and when the protruding part blocks the light path, the movable terminal 2 is in a connection state with the fixed terminal 1, so that the detection of the connection state of the electric connector can be realized by only arranging a simple protruding part on the movable terminal 2, and the positioning identification part has a simple structure, and is practical and convenient.

As shown in fig. 6, the fixed terminal 1 of the present embodiment is a socket fixed on the circuit board 5 of an air conditioner, the movable terminal 2 is a plug, the socket is provided with a slot into which the plug is inserted, the slot into which the plug is inserted realizes the electrical connection between the plug and the socket, the positioning identification portion 201 is disposed on a side wall of the plug, an opening 101 corresponding to the positioning identification portion 201 is disposed on the side wall of the slot, when the plug is inserted into the slot, the positioning identification portion 201 leaks from the opening 101, the leaked positioning identification portion 201 blocks an optical path of the optical detector, and the positioning identification portion 201 detects that the optical path is blocked, which indicates that the plug is in a connection state with the socket.

The light emitting end 3 and the light receiving end 4 are provided with a plurality of connecting assemblies in parallel, two connecting assemblies are shown in this embodiment, when the fixed terminal 1 is connected with the movable terminal 2, the height positions of the protruding portions on the movable terminal 2 are different, the protruding portions with different heights correspond to different light beams, the different light beams are used for detecting the connection condition of different plugs, or the different protruding portions can be used for blocking different parts of a beam of wider light beams, and the detection of the connection state of the electric connectors is realized by detecting the influence of the shielding of the protruding portions on the luminous flux of an optical path, so that the detection of the connection state of the electric connectors by simultaneously detecting the connection state of the optical detector on a plurality of electric connectors is also facilitated.

The plug is characterized in that an elastic sheet 20 is arranged on the side wall of the plug, when the plug is inserted into the slot, the elastic sheet 20 is extruded to deform, when the protruding portion enters the opening 101 of the side wall of the slot, the shape of the elastic sheet 20 is restored, the protruding portion is ensured to be blocked in the opening 101, the stability of connection between the plug and the socket is maintained, the positioning identification portion 201 is arranged on the elastic sheet 20, the end part of the bottom of the elastic sheet 20 is provided with a clamp 202 protruding outwards, the bottom of the side wall of the slot is provided with a clamping hole 102 for the clamp 202 to be inserted, and after the plug is inserted into the slot, the clamp 202 is blocked into the clamping hole 102, so that the plug and the slot are firmly connected together.

And an indicator lamp for emitting a connection indication signal when the optical detector detects the positioning mark 201, so that the connection state of the electric connector can be intuitively seen.

The electrical connection assembly is connected between the circuit board 5 and the electrical components of the air conditioner.

Three pins 103 are arranged in the middle of the slot of the electric connector, a jack 203 for inserting the pin 103 is arranged on the plug corresponding to the pin 103, and a clamping clip 204 for clamping the slot edge is also arranged on the plug, so that the clamping clip 204 is firmly connected with the slot.

Judging whether the fixed terminal and the movable terminal of the connecting assembly are successfully connected or not;

if yes, detecting working parameters of the air conditioner through the connecting assembly, comparing the working parameters with corresponding preset ranges, and analyzing whether the air conditioner is abnormal or not according to comparison results.

Specifically, an information collector may be provided, where the information collector collects on-off information of the electrical connector detected by the optical detector, and if the information collector is connected, a signal is sent to the warning lamp, so that the warning lamp is turned on, indicating that the plug is in place, if the small lamp is not turned on, indicating that the plug is not in place, when the plug is not in place, multiple attempts are made to plug again, if the small lamp is not turned on, indicating that a problem occurs in a needle seat structure or the circuit board 5, etc., the relevant object needs to be checked in time.

If the warning lamp is on, the information collector can collect load electric parameters through the electric connector, a control module of the circuit board 5 is provided with a comparison program, the comparison program inputs the numerical range of the load working condition under the normal operation condition in advance, and the working conditions such as voltage, current, power and the like of the connecting components are collected during the normal operation and are compared with system data. After the comparison finds the abnormality, the circuit board 5 can transmit the abnormality information to the background of the technical department to further analyze the fault problem and continuously observe, and after the fault problem is determined, the fault problem is timely fed back to after-sales and clients by the technical institution, so that the fault problem can be conveniently and timely processed, and unnecessary accidents are avoided.

For two identical components in the same load, such as a compressor, a four-way valve and the like, the fool-proof treatment is performed by adopting the structure that one pin 103 is additionally arranged, so that the situation that the problem cannot be detected due to the fact that the identical components are inserted and misplaced is avoided.

Although some terms are used more herein, the possibility of using other terms is not excluded. These terms are used merely for convenience in describing and explaining the nature of the utility model; they are to be interpreted as any additional limitation that is not inconsistent with the spirit of the present utility model. The order of execution of the operations, steps, and the like in the apparatuses and methods shown in the specification and the drawings may be any order as long as the order is not particularly limited, and the output of the preceding process is not used in the following process. The use of similar ordinal terms (e.g., "first," "then," "second," "again," "then," etc.) for convenience of description does not necessarily imply that they are necessarily performed in such order.

It will be appreciated by those of ordinary skill in the art that all directional references (e.g., above, below, upward, downward, top, bottom, left, right, vertical, horizontal, etc.) are descriptive of the drawings to aid the reader in understanding, and do not denote (e.g., position, orientation, use, etc.) limitation of the scope of the utility model defined by the appended claims, only for convenience of description and simplicity of description, and unless otherwise indicated, these orientation terms do not indicate and imply that the device or element being referred to must have a particular orientation or be constructed and operated in a particular orientation, the orientation terms "inside, outside" referring to the inside and outside of the profile of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

Additionally, some ambiguous terms (e.g., substantially, certain, generally, etc.) may refer to slight imprecision or slight deviation of conditions, amounts, values, or dimensions, etc., some of which are within manufacturing tolerances or tolerances. It should be noted that, the terms "first," "second," and the like are used for defining the components, and are merely for convenience in distinguishing the corresponding components, and the terms have no special meaning unless otherwise stated, so they should not be construed as limiting the scope of the present application.

The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.

Claims (10)

1. The electric connector comprises a connecting component, wherein the connecting component is provided with a fixed terminal and a movable terminal which can be electrically connected, and the electric connector is characterized by further comprising an optical detector for detecting the position of the movable terminal relative to the fixed terminal, the optical detector is fixed relative to the position of the fixed terminal, and a positioning identification part for the optical detector to detect is arranged on the movable terminal.

2. The electrical connector of claim 1, wherein the optical detector comprises a light emitting end and a light receiving end, the positioning identifier is located on an optical path between the light emitting end and the light receiving end, and the change in the position of the positioning identifier is determined according to the change in the light received by the light receiving end.

3. The electrical connector of claim 2, wherein the positioning mark portion is a protruding portion disposed on the movable terminal, and the protruding portion is located on an optical path between the light emitting end and the light receiving end when the movable terminal is connected to the fixed terminal.

4. The electrical connector of claim 3, wherein a plurality of said connection members are disposed in parallel between said light emitting end and said light receiving end, and when said fixed terminal is connected to said movable terminal, different positions of said protruding portions on said movable terminal are different, and different protruding portions correspond to different light beams.

5. The electrical connector of claim 1, wherein the fixed terminal is a socket, the movable terminal is a plug, the socket has a slot into which the plug is inserted, the positioning mark portion is disposed on a side wall of the plug, an opening corresponding to the positioning mark portion is disposed on the side wall of the slot, and the positioning mark portion leaks out from the opening when the plug is inserted into the slot.

6. The electrical connector of claim 5, wherein the plug has a spring disposed on a side wall thereof, and the positioning mark is disposed on the spring.

7. The electrical connector of claim 6, wherein the spring ends are provided with outwardly projecting clips, and the slot sidewall bottoms are provided with clip holes into which the clips are inserted.

8. The electrical connector of claim 1, further comprising an indicator light that emits a connection indicator signal when the optical detector detects the locating identifier.

9. A circuit board comprising an electrical connector according to any one of claims 1 to 8.

10. An air conditioner comprising the circuit board of claim 9.

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