SUMMERY OF THE UTILITY MODEL
Accordingly, it is desirable to provide a detecting device capable of detecting whether the plug connector is well plugged with the socket connector and the external circuit, respectively, so as to solve the problems in the background art.
A detection device, comprising:
the voltage acquisition module is used for acquiring voltage difference between two plug terminal pairs of each electrode of the equipment to be tested;
and the processor is used for acquiring the contact condition of the two plugging terminal pairs of each electrode according to the voltage difference acquired by each voltage acquisition module.
In one embodiment, the processor comprises:
the comparator is connected with each voltage acquisition module and used for comparing each voltage difference with a voltage threshold value respectively to obtain a voltage comparison result;
and the comparator is connected with the comparator and used for acquiring the contact condition according to each voltage comparison result.
In one embodiment, the detection apparatus further comprises:
a judging device;
the temperature collector is used for collecting the terminal temperature of each plugging terminal pair of the equipment to be tested;
the comparator is also used for comparing the temperature of each terminal with a temperature threshold value to obtain a temperature comparison result;
the judger is further used for judging whether a fault plugging terminal pair exists according to the temperature comparison result and/or the voltage comparison result.
In one embodiment, the detection apparatus further comprises:
and the controller is used for controlling the plug connector to disconnect the two plug terminal pairs of each electrode under the condition that the judging device judges that the fault plug terminal pair exists.
In one embodiment, the detection apparatus further comprises:
and the discriminator is used for acquiring a temperature comparison result and a voltage comparison result from the comparator under the condition that the judger judges that the fault plug terminal pair exists, and discriminating the fault plug terminal pair according to the temperature comparison result and the voltage comparison result.
In one embodiment, the detection apparatus further comprises:
and the alarm is connected with the comparator and used for sending out an alarm signal under the condition that the voltage comparison result meets a preset condition, wherein the preset condition is that at least one voltage difference exceeds the voltage threshold.
In one embodiment, each of the voltage acquisition modules includes a first end and a second end, each of the first ends is respectively connected to an input end of a first plug terminal pair of the two plug terminal pairs of each electrode, and each of the second ends is respectively connected to an output end of a second plug terminal pair of the two plug terminal pairs of each electrode.
A connector assembly for connection to a power source, comprising the detection device of any one of the above, and further comprising:
a receptacle connector including at least one plug terminal K1, the plug terminal K1 being connected with the power supply;
an external circuit including at least one plug terminal K2;
a plug connector, comprising:
at least one plug terminal K3 inserted into each plug terminal K1 to form each first plug terminal pair;
at least one plug terminal K4 inserted into each plug terminal K2 to form each second plug terminal pair;
the first plug terminal pairs are respectively and correspondingly connected with the second plug terminal pairs to form a plurality of two plug terminal pairs with the same electrode, and the plug connector is used for connecting or disconnecting the two plug terminal pairs of each electrode.
In one embodiment, the plug connector is a single pole circuit breaker or a multi-pole circuit breaker.
A connector system comprising a plurality of connector assemblies as claimed in any one of the preceding claims, each of the connector assemblies being connected in parallel.
According to the detection device, the connector assembly and the connector system, the voltage difference between the two plug terminal pairs of each electrode of the equipment to be detected is acquired through the at least one voltage acquisition module, the voltage difference is the voltage obtained by dividing the internal resistances of the two plug terminal pairs of each electrode together, then based on the principle that the contact condition is better, the smaller the internal resistance of the plug terminal pairs is, and the smaller the voltage difference is, the contact condition of the two plug terminal pairs of each electrode is acquired by the processor according to each voltage difference acquired by each voltage acquisition module, the device is simple, and the detection result is effective.
Detailed Description
To facilitate an understanding of the present application, the present application will now be described more fully with reference to the accompanying drawings. Embodiments of the present application are set forth in the accompanying drawings. This application may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.
It will be understood that, as used herein, the terms "first," "second," and the like may be used herein to describe various elements, but these elements are not limited by these terms. These terms are only used to distinguish one element from another. For example, the first plug terminal pair may be referred to as a second plug terminal pair, and similarly, the second plug terminal pair may be referred to as a first plug terminal pair, without departing from the scope of the present application. Both the first plug terminal pair and the second plug terminal pair are plug terminal pairs, but they are not the same plug terminal pair.
It is to be understood that "connection" in the following embodiments is to be understood as "electrical connection", "communication connection", and the like if the connected circuits, modules, units, and the like have communication of electrical signals or data with each other.
As used herein, the singular forms "a", "an" and "the" may include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises/comprising," "includes" or "including," etc., specify the presence of stated features, integers, steps, operations, components, parts, or combinations thereof, but do not preclude the presence or addition of one or more other features, integers, steps, operations, components, parts, or combinations thereof. Also, as used in this specification, the term "and/or" includes any and all combinations of the associated listed items.
Fig. 1 is an application scenario diagram of the detecting device 100 according to an embodiment of the present invention, as shown in fig. 1, the device to be tested detected by the detecting device 100 may be the plug frame 105 on the cabinet, the plug frame 105 includes the socket connector 210 and the plug connector 110 and the external circuit 220 connected to the plug connector 110, wherein the socket connector 210 is connected to the power supply, the socket connector 210 includes two plug terminals, which are respectively connected to different electrodes of the power supply, and are used for outputting power supply electric energy, the plug connector 110 also includes two plug terminals, which are respectively plugged into the two plug terminals of the socket connector 210, so as to obtain power supply electric energy, wherein the two plug terminals of the socket connector 210 are respectively plugged into the two plug terminals of the plug connector 110, thereby forming two first plug terminal pairs 101 and 102. The plug connector 110 further includes two other plug terminals respectively connected to the two plug terminals, and the two plug terminals can be respectively plugged with the two plug terminals of the external circuit 220, so as to transmit the electric energy obtained by the plug connector 110 from the socket connector 210 to the external circuit 220, wherein the two plug terminals of the plug connector 110 are respectively plugged with the two plug terminals of the external circuit 220, thereby forming two second plug terminal pairs 103 and 104. The first plug terminal pair 101, 102 is connected to the second plug terminal pair 103, 104 and to one electrode of the power supply; the first plug terminal pair 101, 102 is connected to the second plug terminal pair 103, 104 and to the other electrode of the power supply, which may be a dc power supply or an ac power supply.
It should be understood that fig. 1 only shows that the receptacle connector 210 includes two plug terminals, which are respectively connected to two poles of the power supply, and in fact, the number of the plug terminals of the receptacle connector 210 may be any number, such as one or more, and at this time, the number of the plug terminals on the plug connector 110 plugged with the receptacle connector 210 should also be one or more, and the number of the plug terminals on the plug connector 110 plugged with the external circuit 220 should also be one or more.
The plug connector 110 may be a circuit breaker, and particularly, may be a single-pole circuit breaker or a multi-pole circuit breaker according to the manner of being plugged into the receptacle connector 210.
Fig. 2 is a block diagram of a detection apparatus 100 according to an embodiment of the present invention, and as shown in fig. 2, the detection apparatus 100 includes at least one voltage acquisition module 120 and a processor 130.
Each voltage acquisition module 120 is configured to acquire a voltage difference between two pairs of plug terminals of each electrode of the device under test, and the processor 130 is connected to each voltage acquisition module 120 and configured to obtain a contact condition of the two pairs of plug terminals of each electrode according to each voltage difference acquired by each voltage acquisition module 120.
Specifically, each electrode of the device under test is connected with two plug terminals, and taking fig. 1 as an example, the first plug terminal pair 101, 102 and the second plug terminal pair 103, 104 are on one electrode of the device under test, and the first plug terminal pair 101, 102 and the second plug terminal pair 103, 104 are on the other electrode of the device under test. The number of the voltage acquisition modules 120 is two, and the two voltage acquisition modules 120 can respectively acquire the voltage difference between the first plug terminal pair 101, 102 and the second plug terminal pair 103, 104, and the voltage difference between the first plug terminal pair 101, 102 and the second plug terminal pair 103, 104104. In one embodiment, the voltage acquisition module 120 may include a voltmeter.
The processor 130 may obtain each voltage difference collected by each voltage collecting module 120, and obtain the contact condition of the two plug terminal pairs of each electrode according to each voltage difference. It can be understood that when two plug terminals in the plug terminal pair are in poor contact, the internal resistance of the plug terminal pair can be increased, and under the condition that the power output voltage is unchanged, the larger the internal resistance of the plug terminal pair is, the larger the voltage obtained by dividing the plug terminal pair is, so that whether the two plug terminal pairs are in poor contact or not can be judged according to the voltage difference between the two plug terminal pairs on the same electrode.
In an embodiment, a plurality of differential pressure ranges may be pre-stored in the processor 130, each differential pressure range corresponds to a contact condition of two plug terminal pairs, where the contact condition includes that both the two plug terminal pairs are in good contact and at least one plug terminal pair in the two plug terminal pairs is in poor contact, and the processor 130 may obtain the contact condition of the two plug terminal pairs by corresponding each differential pressure range to each differential pressure range.
In one embodiment, each voltage acquisition module 120 includes a first end and a second end, each first end is connected to an input end of a first plug terminal pair 101, 102 of the two plug terminal pairs of each electrode, and each second end is connected to an output end of a second plug terminal pair 103, 104 of the two plug terminal pairs of each electrode, taking fig. 1 as an example, it is assumed that the plug connector 110 includes two electrodes, the number of the voltage acquisition modules 120 is two, the first ends 01, 02 of the two voltage acquisition modules 120 are connected to input ends of the first plug terminal pairs 101, 102 of the two plug terminal pairs of two electrodes, as shown in fig. 3, the second ends 03, 04 of the two voltage acquisition modules 120 are connected to output ends of the second plug terminal pairs 103, 104 of the two plug terminal pairs of two electrodes, respectively.
The embodiment of the utility model provides an utilize at least one voltage acquisition module 120 to gather the voltage difference between two plug terminals of each electrode of the equipment of awaiting measuring to, this voltage difference is the voltage that the common branch of the internal resistance of two plug terminal pairs of each electrode got, it is better based on the contact situation, the internal resistance that the plug terminal is right is less, the principle that the voltage difference is littleer, then utilize processor 130 to acquire the contact condition of two plug terminal pairs of each electrode according to each voltage difference that each voltage acquisition module 120 gathered, the device is simple and the testing result is effective.
Fig. 4 is a block diagram of a detecting device 100 according to another embodiment of the present invention, and compared with the detecting device 100 according to the embodiment of fig. 2, the processor 130 according to the embodiment of the present invention may include a comparator 140 and a comparator 150.
As shown in fig. 4, the comparator 140 is connected to each voltage acquisition module 120, and configured to receive each voltage difference, and compare each voltage difference with a voltage threshold respectively to obtain a voltage comparison result. It can be understood that when the plug terminal pair is in poor contact, the internal resistance thereof increases, and under the condition that the power voltage is not changed, the voltage of the plug terminal pair also increases, so that the voltage difference between the two plug terminal pairs of the same electrode also increases, the comparator 140 can compare the voltage difference with the voltage threshold value to obtain a comparison result, and then the comparator 150 can obtain the contact condition of the two plug terminal pairs of each electrode by comparing the comparison result. The comparator 140 may be preset with a voltage threshold, which may be a voltage threshold when the pair of plug terminals is in good contact, and the voltage comparison result may include two voltage comparison results, that is, a voltage difference between the pair of plug terminals is greater than the voltage threshold, and a voltage difference between the pair of plug terminals is less than or equal to the voltage threshold.
The comparator 150 is connected to the comparator 140, and is configured to receive the voltage comparison results and obtain a contact condition according to the voltage comparison results. Specifically, the comparison table may be pre-stored in the comparison device 150, the comparison table includes a correspondence between the voltage comparison result and the contact condition, the contact condition may include that the two plug terminal pairs all contact well and the two plug terminal pairs have at least one plug terminal pair contact poor, wherein, the voltage difference between the two plug terminal pairs is greater than the voltage comparison result of the voltage threshold value and corresponds the contact condition of the contact poor, the voltage difference between the two plug terminal pairs is less than or equal to the voltage threshold value and corresponds the contact condition of the contact good, the voltage comparison result obtained by the comparison device 140 is sent to the comparison device 150 for comparison, and then the contact condition corresponding to the voltage comparison result can be obtained.
The embodiment of the utility model provides a processor 130 still includes comparator 140 and comparator 150, wherein comparator 140 is connected with each voltage acquisition module 120, compare with each voltage difference and voltage threshold, it is greater than two kinds of voltage comparison results of voltage threshold or voltage difference less than or equal to voltage threshold to obtain the voltage difference, two kinds of voltage comparison results that comparator 140 principle is simple and output can characterize two plug terminals of each electrode to the contact condition, then utilize and compare the ware 150 then can acquire the contact condition according to each voltage comparison result, this processor 130 simple structure, and the cooperation through comparator 140 and comparator 150 can accurately obtain the contact condition of two plug terminals pairs of each electrode.
Fig. 5 is a block diagram of a detecting device 100 according to another embodiment of the present invention, and as shown in fig. 5, the detecting device 100 according to the embodiment of the present invention is different from the detecting device 100 according to the embodiment of fig. 4 only in that a determination unit 160 and a temperature acquisition unit 170 are added.
Specifically, the temperature collector 170 is configured to collect terminal temperatures of each plug terminal pair of the device to be tested; the comparator 140 is further connected to the temperature collector 170, and is configured to compare the temperature of each terminal collected by the temperature collector 170 with a temperature threshold, so as to obtain a temperature comparison result. The temperature collector 170 may include a plurality of temperature sensors respectively disposed at the positions of the plug terminal pairs to collect the temperature of each plug terminal pair.
It can be understood that if the plug terminal pair has a poor contact condition, the temperature of the plug terminal pair rises, so that a temperature threshold value can be set according to an actual condition, and the collected terminal temperatures are respectively compared with the temperature threshold value to further judge whether the plug terminal pair has a fault.
Further, the determiner 160 determines whether there is a faulty plug terminal pair according to the temperature comparison result and/or the voltage comparison result.
In one embodiment, the determiner 160 may determine whether there is a faulty plug terminal pair according to the temperature comparison result, specifically, the determiner 160 may pre-store a corresponding table of the temperature comparison result and the fault condition, and obtain the fault condition of each plug terminal pair according to the temperature comparison result of each plug terminal pair obtained by the comparator 140, so as to know whether each plug terminal pair is a faulty plug terminal pair, and if a certain plug terminal pair is a faulty plug terminal pair, determine that the plug terminal pair is in poor contact.
In an embodiment, the determiner 160 may further obtain a voltage comparison result from the comparator 140, and determine whether there is a faulty plug terminal pair according to the voltage comparison result, specifically, the determiner 160 may pre-store a correspondence table between the voltage comparison result and a fault condition, and if the voltage difference between two plug terminal pairs obtained by the comparator 140 is greater than a voltage threshold, it may be obtained according to the correspondence table that at least one plug terminal pair exists in the two plug terminal pairs as a faulty plug terminal pair, that is, it is known that there is a condition that at least one plug terminal pair exists in the two plug terminal pairs that contact is bad.
In one embodiment, the determiner 160 may further determine whether there is a faulty plug terminal pair according to the temperature comparison result and the voltage comparison result. The method can be understood that the fault plugging terminal pair is obtained by combining the temperature acquisition result and the voltage acquisition result, and the judgment accuracy is improved.
The embodiment of the utility model provides a detection device 100 still includes judger 160 and temperature collector 170, utilize temperature collector 170 to gather the terminal temperature that each plug terminal is right, and utilize comparator 140 to compare each terminal temperature with the temperature threshold value in order to obtain the temperature comparison result, judge whether there is trouble plug terminal right according to temperature comparison result and/or voltage comparison result through judger 160 at last, device simple structure, and can accurately judge whether there is at least one plug terminal to the condition that exists contact failure in two plug terminal pairs on the same electrode.
Fig. 6 is a block diagram of a detecting device 100 according to another embodiment, and the detecting device 100 according to the embodiment of the present invention is different from the detecting device 100 according to the embodiment of fig. 5 only in that a controller 180 is added, and the controller 180 is connected to the determiner 160, and is configured to control the plug connector 110 to disconnect the two plug terminal pairs of each electrode when the determiner 160 determines that the faulty plug terminal pair exists.
Specifically, the controller 180 may be further connected to the plug connector 110, if the determiner 160 determines that at least one of the two pairs of the plugging terminals on the same electrode has a fault, that is, the at least one pair of the two pairs of the plugging terminals has a bad contact condition, in order to avoid the problem that the voltages at the two ends of the electrical equipment are not stable enough due to the bad contact condition of the terminal pair, the equipment may work abnormally, at this time, the controller 180 may control the plug connector 110 to disconnect the two pairs of the plugging terminals on the electrode, thereby cutting off the electrical circuit, avoiding the occurrence of unsafe accidents, and achieving the prevention of safety accidents.
The embodiment of the utility model provides a be connected with judger 160 through setting up a controller 180 to judge at judger 160 and have the trouble under the condition that the plug terminal is right, two plug terminals of control plug connector 110 disconnection each electrode are to being connected between, thereby cut off the electric circuit, avoid the emergence of dangerous accident, realized the prevention to the incident.
Fig. 7 is a block diagram of a detection apparatus 100 according to another embodiment, and the detection apparatus 100 according to the embodiment of the present invention is different from the detection apparatus 100 according to the embodiment of fig. 5 only in that a discriminator 190 is added.
As shown in fig. 7, the determiner 190 may be connected to the determiner 160, and configured to determine the faulty plug terminal pair according to the temperature comparison result and the voltage comparison result when the determiner 160 determines that the faulty plug terminal pair exists in the two plug terminal pairs of the same electrode.
Specifically, when the determiner 160 determines that there is a faulty plug terminal pair in two plug terminal pairs of the same electrode, the temperature comparison result and the voltage comparison result obtained from the comparator 140 may be sent to the determiner 190, and the determiner 190 determines the faulty plug terminal pair.
It can be understood that whether at least one fault plug terminal pair exists in two plug terminal pairs on the same electrode can be judged according to the voltage comparison result, and the specific fault plug terminal pair can be specifically known by combining the temperature comparison results of the two plug terminal pairs, or the two fault plug terminal pairs are both the two plug terminal pairs.
Specifically, the discriminator 190 may prestore a comparison table, where the comparison table includes a plurality of voltage comparison results, a plurality of temperature comparison results, and a plurality of determination results, and each of the voltage comparison results, the temperature comparison results, and the determination results corresponds to each other, so that the discriminator 190 may obtain corresponding determination results according to the voltage comparison results and the temperature comparison results, and thus respectively learn whether the two plug terminal pairs are faulty plug terminal pairs.
In an embodiment, the detecting device 100 in the embodiment of the present invention may further include a controller 180 in the embodiment of fig. 6, and the connection relationship, specific operation principle and function of the controller and each element may refer to the related description in the embodiment of fig. 6, which is not described herein again.
The embodiment of the utility model provides a through setting up an arbiter 190 of being connected with judger 160, judge at judger 160 and exist under the circumstances that trouble plug terminal is right, utilize arbiter 190 to judge trouble plug terminal is right according to temperature comparison result and voltage comparison result, the discrimination result is accurate, and installs simple structure.
Fig. 8 is a block diagram of a detecting device 100 according to another embodiment, the detecting device 100 according to the embodiment of the present invention is different from the detecting device 100 according to the embodiment of fig. 4 only in that an alarm 200 is added, the alarm 200 is connected to the comparator 140 for sending an alarm signal when the voltage comparison result satisfies a predetermined condition, and the predetermined condition is that at least one voltage difference exceeds a voltage threshold.
In an embodiment, the detecting device 100 of the present invention may further include a temperature collector 170 and a determiner 160 in the embodiment of fig. 5, and the connection relationship, specific working principle and function of the components can be described with reference to the embodiment of fig. 5, and will not be described herein again. In another embodiment, the detecting device 100 of the present invention may further include a controller 180, and the connection relationship, specific operation principle and function of the controller and each element can refer to the related description in the embodiment of fig. 6, which is not described herein again. In another embodiment, the detection apparatus 100 of the present invention may further include a discriminator 190, as shown in fig. 9, and the specific operation principle and function thereof may refer to the related explanation in the embodiment of fig. 7, which is not described herein again.
Fig. 10 is a block diagram of a connector assembly 240 according to an embodiment, and as shown in fig. 10, the connector assembly 240 is connected to a power source (not shown), and includes the detecting device 100 according to any of the above embodiments, and the socket connector 210, the external circuit 220 and the plug connector 110, wherein the detecting device 100 is connected to the socket connector 210, the external circuit 220 and the plug connector 110 respectively; the receptacle connector 210, the plug connector 110, and the external circuit 220 are connected in sequence.
Specifically, the receptacle connector 210 includes at least one plug terminal K1 (not shown), the plug terminal K1 is connected to a power supply;
the external circuit 220 includes at least one plug terminal K2 (not shown); the plug connector 110 comprises at least one plug terminal K3 (not shown), each plug terminal K3 being plugged with each plug terminal K1 to form each first plug terminal pair 101, 102; the plug connector 110 further includes at least one plug terminal K4 (not shown) that plugs with the respective plug terminal K2 to form the respective second plug terminal pair 103, 104;
the first plug terminal pairs 101 and 102 are respectively and correspondingly connected to the second plug terminal pairs 103 and 104 to form two plug terminal pairs with a plurality of same electrodes, and the plug connector 110 is used for connecting or disconnecting the two plug terminal pairs with the same electrode, so as to connect or disconnect the power supply and the external circuit 220.
In one embodiment, the plug connector 110 may be a single pole circuit breaker or a multi-pole circuit breaker.
The embodiment of the utility model provides a connector assembly 240 includes detection device 100, socket connector 210, external circuit 220 and plug connector 110, wherein, each plug terminal K1 of socket connector 210 is connected in order to acquire the electric energy with the power, each plug terminal K3 and each plug terminal K1 of plug connector 110 peg graft in order to form each first plug terminal pair 101, 102, each plug terminal K4 of plug connector 110 pegs graft in order to form each second plug terminal pair 103 with each plug terminal K2 of external circuit 220, 104, so can realize that the power supplies power to external circuit 220 through plug connector 110, utilize the contact condition that detection device 100 detected each plug terminal pair simultaneously, realize the prevention of incident.
Fig. 11 is a block diagram illustrating a connector system 250 according to an embodiment, in which the connector system 250 includes a plurality of connector assemblies 240 according to the above-described embodiment, and the connector assemblies 240 are connected in parallel.
In the description herein, references to the description of "some embodiments," "other embodiments," "desired embodiments," 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, a schematic description of the above terminology may not necessarily refer to the same embodiment or example.
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.