CN216718614U - Relay state testing device and electrical equipment - Google Patents
Relay state testing device and electrical equipment Download PDFInfo
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- CN216718614U CN216718614U CN202220143985.3U CN202220143985U CN216718614U CN 216718614 U CN216718614 U CN 216718614U CN 202220143985 U CN202220143985 U CN 202220143985U CN 216718614 U CN216718614 U CN 216718614U
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Abstract
The embodiment of the utility model discloses a relay state testing device and electrical equipment, wherein the relay state testing device comprises: the device comprises a state sampling module, a power supply, a working voltage input end and a logic control module; the logic control module is used for connecting a coil of a relay to be tested, the power supply is used for being grounded through a contact signal wire of the relay to be tested, and the state sampling module is used for being connected with two ends of each contact signal wire; the state sampling module is connected with the power supply, and the working voltage input end is connected with the state sampling module through the logic control module. The logic control module controls the on-off of the relays to be tested according to a preset sequence so as to realize the state test of a plurality of relays to be tested simultaneously. The relay state testing device can also compare the states of the relay to be tested under the power supply conditions of different working voltages, and the state parameters of the relay to be tested are detected in real time through the state sampling module to obtain the aging data rule of the relay to be tested.
Description
Technical Field
The utility model relates to the field of relays, in particular to a relay state testing device and electrical equipment.
Background
A relay is a control device that causes a controlled amount to change in a predetermined step change in an electrical output circuit when an input amount meets a predetermined requirement. The rail transit system is an important component of an urban public transit system, and the relay is widely applied to rail trains. Each rail train is generally provided with more than 100 relays, and the relays are used for realizing various functions of unlocking, traction, braking, opening and closing of train doors, lifting of a pantograph, turning back and the like of the train.
After the relay is put into use, the service life change process from a brand new state to an aging state exists. In the prior art, the aging state of the relay cannot be dynamically confirmed for the relay which is put into use, and the service life change trend of the relay is analyzed. When the service time of the relay exceeds the full life cycle, the probability of the fault of the relay is increased sharply. If the relays with the service time exceeding the full life cycle cannot be timely confirmed and replaced, the failed relays can cause the failure of the train, and further the normal operation of the urban public transport system is seriously influenced.
SUMMERY OF THE UTILITY MODEL
In view of the above, an object of the present invention is to overcome the shortcomings in the prior art, and provide a relay status testing apparatus and an electrical device, so as to solve the problem that the full-life status of a relay cannot be tracked and monitored.
In a first aspect, the present application provides a relay status testing apparatus, including: the device comprises a state sampling module, a power supply, a working voltage input end and a logic control module;
the logic control module is used for connecting a coil of a relay to be tested, the power supply is used for being grounded through a contact signal line of the relay to be tested, the state sampling module is used for being connected with two ends of each contact signal line, and the state sampling module is used for collecting contact voltages at two ends of the relay to be tested;
the state sampling module with power supply connects, the operating voltage input passes through logic control module with the state sampling module is connected, the operating voltage input is used for providing the predetermined operating voltage of a plurality of differences, the state sampling module still is used for gathering the coil voltage of the relay that awaits measuring.
With reference to the first aspect, in a first possible implementation manner, the relay state testing apparatus further includes a load circuit, and the power supply is configured to be connected to the load circuit through a contact signal line of the relay to be tested, so as to form a continuous load current.
With reference to the first possible implementation manner of the first aspect, in a second possible implementation manner, the load circuit includes a plurality of load sub-circuits that are respectively connected to the contact signal lines of the relay to be tested in a one-to-one correspondence manner, each load sub-circuit includes an inductor and a resistor, one end of the inductor is used for being connected to the contact signal lines, and the other end of the inductor is grounded through the resistor.
With reference to the first aspect, in a third possible implementation manner, the apparatus further includes a first number of contact banks, each of the contact banks is connected to the state sampling module, the state sampling module is configured to be connected to one end of the contact signal line, and the contact bank is configured to be connected to the other end of the contact signal line.
With reference to the first aspect, in a fourth possible implementation manner, the system further includes a power supply line bank, the power supply and the state sampling module are both connected to the power supply line bank, and the power supply line bank is used for being connected to one end of the contact signal line.
With reference to the first aspect, in a fifth possible implementation manner, the logic control module includes a driving line and a status signal line, where the driving line and the status signal line are used to be respectively connected to coils of the relay to be tested in a one-to-one correspondence manner, the driving line is used to be connected to one end of the coil, and the status signal line is used to be connected to the other end of the coil.
With reference to the first aspect, in a sixth possible implementation manner, the working voltage input end includes a highest working voltage input end, and the highest working voltage input end is connected to the logic control module to provide a highest working voltage of a coil of the relay to be tested.
With reference to the first aspect, in a seventh possible implementation manner, the working voltage input end includes a lowest working voltage input end, and the lowest working voltage input end is connected to the logic control module to provide a lowest working voltage of a coil of the relay to be tested.
With reference to the first aspect, in an eighth possible implementation manner, the working voltage input end includes a rated working voltage input end, and the rated working voltage input end is connected to the logic control module to provide a rated working voltage of a coil of the relay to be tested.
In a second aspect, the application provides an electrical device, including the relay that awaits measuring of first quantity and the relay state testing arrangement of the first aspect as if, power supply loops through the relay ground connection that awaits measuring of first quantity, state sampling module and every the relay that awaits measuring all connects, the operating voltage input passes through logic control module and every the relay that awaits measuring all connects.
The application provides a relay state testing arrangement, includes: the device comprises a logic control module, a power supply, a working voltage input end and a state sampling module; the logic control module is used for connecting a coil of a relay to be tested, the power supply is used for being grounded through a contact signal wire of the relay to be tested, and the state sampling module is used for being connected with two ends of each contact signal wire; the state sampling module is connected with the power supply, and the working voltage input end is connected with the state sampling module through the logic control module. The logic control module controls the on-off of the relays to be tested according to a preset sequence so as to realize the state test of a plurality of relays to be tested simultaneously. The relay state testing device can also compare the states of the relay to be tested under the power supply conditions of different working voltages, and the state parameters of the relay to be tested are detected in real time through the state sampling module to obtain the aging data rule of the relay to be tested.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings required to be used in the embodiments will be briefly described below, and it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope of the present invention. Like components are numbered similarly in the various figures.
Fig. 1 is a schematic structural diagram illustrating a relay state testing device provided in an embodiment of the present application;
fig. 2 is a schematic structural diagram of a relay state testing device provided in an embodiment of the present application;
fig. 3 shows a schematic structural diagram of an electrical device provided in an embodiment of the present application.
Description of the main element symbols:
200-a relay to be tested; 110-state sampling module, 120-power supply, 130-working voltage input end, 140-logic control module, 150-load circuit, 160-contact wiring bar and 170-power wiring bar; 131-highest operating voltage input terminal, 132-lowest operating voltage input terminal, 133-rated operating voltage input terminal; l-inductance, R-resistance.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
Hereinafter, the terms "including", "having", and their derivatives, which may be used in various embodiments of the present invention, are only intended to indicate specific features, numbers, steps, operations, elements, components, or combinations of the foregoing, and should not be construed as first excluding the existence of, or adding to, one or more other features, numbers, steps, operations, elements, components, or combinations of the foregoing.
Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which various embodiments of the present invention belong. The terms (such as those defined in commonly used dictionaries) should be interpreted as having a meaning that is consistent with their contextual meaning in the relevant art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein in various embodiments of the present invention.
Referring to fig. 1, fig. 1 is a schematic structural diagram illustrating a relay status testing apparatus according to an embodiment of the present disclosure. Exemplarily, the relay state testing device of the present application includes: the system comprises a state sampling module 110, a power supply 120, a working voltage input end 130 and a logic control module 140;
the logic control module 140 is configured to connect a coil of the relay 200 to be tested, the power supply 120 is configured to be grounded through a contact signal line of the relay 200 to be tested, the state sampling module 110 is configured to be connected to both ends of each contact signal line, and the state sampling module 110 is configured to collect contact voltages at both ends of the relay 200 to be tested;
the state sampling module 110 is connected to the power supply 120, the working voltage input end 130 is connected to the state sampling module 110 through the logic control module 140, the working voltage input end 130 is used for providing a plurality of different preset working voltages, and the state sampling module 110 is further used for collecting the coil voltage of the relay 200 to be tested.
The relay state testing device is used for testing the whole life cycle of a plurality of groups of relays. In particular, there are typically over one hundred relays per motor train. The relay 200 to be tested is installed in the relay state testing apparatus according to the installation direction and installation manner of the relay specified in the motor vehicle. For ease of understanding the present application, only one relay is shown in fig. 1.
The logic control module 140 controls the coil state of the relay 200 to be tested according to a preset cycle and sequence, so as to test the life cycle of the relay 200 to be tested according to the working logic of the relay when the motor train operates. It should be understood that the logic control module 140 may be implemented by using a multiplexer, or may also be implemented by using a control chip such as STM32407, which is not limited herein.
The state sampling module 110 is connected to the logic control module 140 to collect the voltage of the coil of the relay 200 to be tested. Meanwhile, the state sampling module 110 is also connected to both ends of the contact signal line of each relay 200 to be tested to collect the contact voltages at both ends of the relay 200 to be tested, thereby detecting the load current value of the contact loop formed by the plurality of relays 200 to be tested. The resistance value and the action time of the contact of the relay 200 to be tested are detected through the voltage data collected by the state sampling module 110. It should be understood that the state sampling module 110 may be used in any device that uses relay data, and is not limited thereto.
Referring to fig. 2, fig. 2 is a schematic structural diagram illustrating a relay status testing apparatus according to an embodiment of the present disclosure. In an optional example, the relay status testing apparatus further includes a load circuit 150, and the power supply 120 is configured to be connected to the load circuit 150 through the contact signal line of the relay 200 to be tested to form a continuous load current.
The power supply 120 is connected to the load circuit 150 through contact signal lines of the plurality of relays 200 to be tested in sequence to provide a rated contact operating voltage to the contacts of the relays 200 to be tested and to form a continuous load current of at least 2 amperes.
In an optional example, the load circuit 150 includes a plurality of load sub-circuits respectively connected to the contact signal lines of the relay 200 to be tested in a one-to-one correspondence manner, each load sub-circuit includes an inductor L and a resistor R, one end of the inductor L is used for being connected to the contact signal lines, and the other end of the inductor L is grounded through the resistor R.
It should be understood that the number of load sub-circuits is set according to actual requirements, and is not limited herein. For the convenience of understanding, the number of the contact signal lines and the number of the load sub-circuits of the relay 200 to be tested are 4, and the load sub-circuits are connected with the contact signal lines of the relay 200 to be tested in a one-to-one correspondence manner. Meanwhile, the size of the resistor R and the inductor L of each load sub-circuit is also set according to actual requirements, and is not limited herein. Different load sub-circuits can provide different contact currents for the contacts of the relay 200 to be tested, and the loss degrees of the contacts with different currents in the actual action process are different.
In an optional example, the relay status testing apparatus further includes a first number of contact terminal blocks 160, each of the contact terminal blocks 160 is connected to the status sampling module 110, the status sampling module 110 is configured to be connected to one end of the contact signal line, and the contact terminal block 160 is configured to be connected to the other end of the contact signal line.
Each contact terminal block 160 is connected to the status sampling module 110 for batch testing of different relay 200 statuses. The relay 200 to be tested is directly replaced and the relay 200 to be tested is connected with the contact terminal block 160, and the connection between the contact terminal block 160 and the state sampling module 110 is not required to be replaced.
When both ends of the contact signal line of the relay 200 to be tested are connected to the contact terminal block 160, the state sampling module 110 may obtain voltages at both ends of the contact signal line of the relay 200 to be tested according to the voltage of the contact terminal block 160. When the relay 200 to be tested is tested in the whole life cycle, the wiring of the relay state testing device does not need to be replaced, and the long-term reliable operation of the relay state testing device is ensured.
In an optional example, the relay state testing apparatus further includes a power line bank 170, the power supply 120 and the state sampling module 110 are both connected to the power line bank 170, and the power line bank 170 is configured to be connected to one end of the contact signal line.
The power line bank 170 and the state sampling module 110 are both connected to the power line bank 170. When the relay 200 to be tested is replaced, the power supply wiring bar 170 and the state sampling module 110 are not required to be replaced with the wiring of the power supply wiring bar 170, so that the long-term reliable operation of the relay state testing device is ensured.
In an optional example, the logic control module 140 includes a driving line and a status signal line, which are respectively connected to the coils of the relay 200 to be tested in a one-to-one correspondence manner, the driving line is used for being connected to one end of the coils, and the status signal line is used for being connected to the other end of the coils.
The driving wire of the logic control module 140 is used for controlling the power on and power off of the relay 200 to be tested, and the state signal wire of the logic control module 140 is used for controlling the relay 200 to be tested to act according to a preset logic, so that the relay 200 to be tested is tested in a whole life cycle according to the working logic of the relay when the motor train runs.
In an optional example, the operating voltage input terminal 130 includes a highest operating voltage input terminal 131, and the highest operating voltage input terminal 131 is connected to the logic control module 140 to provide the highest operating voltage of the coil of the relay 200 to be tested.
The highest working voltage input terminal 131 is used for providing the highest working voltage of the coil of the relay 200 to be tested so as to detect the state parameter of the relay 200 to be tested under the power condition of the highest working voltage.
In an optional example, the working voltage input terminal 130 includes a lowest working voltage input terminal 132, and the lowest working voltage input terminal 132 is connected to the logic control module 140 to provide the lowest working voltage of the coil of the relay 200 to be tested.
The lowest operating voltage input terminal 132 is used for providing the lowest operating voltage of the coil of the relay 200 to be tested so as to detect the state parameter of the relay 200 to be tested under the power condition of the lowest operating voltage.
In an optional example, the operating voltage input terminal 130 includes a rated operating voltage input terminal 133, and the rated operating voltage input terminal 133 is connected to the logic control module 140 to provide a rated operating voltage of the coil of the relay 200 under test.
The rated operating voltage input 133 is used to provide an operating voltage of the coil of the relay 200 to be tested to detect the state parameters of the relay 200 to be tested under the power condition of the rated operating voltage.
To facilitate understanding of the present application, fig. 2 shows 3 identical relays 200 under test. The highest working voltage input terminal 131 provides the highest working voltage for 1 relay 200 to be tested, the lowest working voltage input terminal 132 provides the lowest working voltage for 1 relay 200 to be tested, and the rated working voltage input terminal 133 provides the rated working voltage for 1 relay 200 to be tested. The service life states of the relay 200 to be tested are compared under three typical power supply conditions of the highest working voltage, the lowest working voltage and the rated working voltage, and the state parameters of the relay 200 to be tested are detected in real time through the state sampling module 110, so that the aging data rule of the relay 200 to be tested is obtained.
The application provides a relay state testing arrangement, includes: the device comprises a logic control module, a power supply, a working voltage input end and a state sampling module; the logic control module is used for connecting a coil of a relay to be tested, the power supply is used for being grounded through a contact signal wire of the relay to be tested, and the state sampling module is used for being connected with two ends of each contact signal wire; the state sampling module is connected with the power supply, and the working voltage input end is connected with the state sampling module through the logic control module. The logic control module controls the on-off of the relays to be tested according to a preset sequence so as to realize the state test of a plurality of relays to be tested simultaneously. The relay state testing device can also compare the states of the relay to be tested under the power supply conditions of different working voltages, and the state parameters of the relay to be tested are detected in real time through the state sampling module to obtain the aging data rule of the relay to be tested.
Referring to fig. 3, fig. 3 is a schematic structural diagram of an electrical device according to an embodiment of the present disclosure. The application still provides an electrical equipment, including the relay 200 that awaits measuring of first quantity and relay state testing arrangement as in this embodiment, power supply 120 loops through the relay 200 ground connection that awaits measuring of first quantity, state sampling module 110 and every the relay 200 that awaits measuring all connects, operating voltage input 130 passes through logic control module 140 and every the relay 200 that awaits measuring all connects.
It should be understood that the first number of the relays 200 to be tested is set according to actual requirements, and is not limited herein. The electrical equipment comprises the relay state testing device in the embodiment, and the relay state testing device can detect the service life state of each relay 200 to be tested in real time and replace the relay 200 to be tested, the service life of which exceeds the full service life cycle, in the operation process of the electrical equipment.
In the several embodiments provided in the present application, it should be understood that the disclosed apparatus and method may be implemented in other manners. The apparatus embodiments described above are merely illustrative and, for example, the flowchart and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of apparatus, methods and computer program products according to various embodiments of the present invention. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). It should also be noted that, in alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
In addition, each functional module or unit in each embodiment of the present invention may be integrated together to form an independent part, or each module may exist separately, or two or more modules may be integrated to form an independent part.
The functions, if implemented in the form of software functional modules and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention or a part of the technical solution that contributes to the prior art in essence can be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a smart phone, a personal computer, a server, or a network device, etc.) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and shall cover the scope of the present invention.
Claims (10)
1. A relay status testing device, comprising: the device comprises a state sampling module, a power supply, a working voltage input end and a logic control module;
the logic control module is used for connecting a coil of a relay to be tested, the power supply is used for being grounded through a contact signal line of the relay to be tested, the state sampling module is used for being connected with two ends of each contact signal line, and the state sampling module is used for collecting contact voltages at two ends of the relay to be tested;
the state sampling module with power supply connects, the operating voltage input passes through logic control module with the state sampling module is connected, the operating voltage input is used for providing the predetermined operating voltage of a plurality of differences, the state sampling module still is used for gathering the coil voltage of the relay that awaits measuring.
2. The relay status testing device according to claim 1, further comprising a load circuit, wherein the power supply is configured to be connected to the load circuit through the contact signal line of the relay under test to form a continuous load current.
3. The relay state testing device according to claim 2, wherein the load circuit includes a plurality of load sub-circuits for respectively connecting with the contact signal lines of the relay to be tested in a one-to-one correspondence manner, each load sub-circuit includes an inductor and a resistor, one end of the inductor is for connecting with the contact signal lines, and the other end of the inductor is grounded through the resistor.
4. The relay status testing apparatus according to claim 1, further comprising a first number of contact terminal blocks, each of the contact terminal blocks being connected to the status sampling module, the status sampling module being adapted to be connected to one end of the contact signal line, the contact terminal block being adapted to be connected to the other end of the contact signal line.
5. The relay status testing device according to claim 1, further comprising a power supply wiring bank, wherein the power supply and the status sampling module are connected to the power supply wiring bank, and the power supply wiring bank is configured to be connected to one end of the contact signal line.
6. The relay state testing device according to claim 1, wherein the logic control module comprises a driving line and a state signal line, wherein the driving line and the state signal line are respectively connected with the coil of the relay to be tested in a one-to-one correspondence manner, the driving line is used for being connected with one end of the coil, and the state signal line is used for being connected with the other end of the coil.
7. The relay status testing device according to claim 1, wherein the operating voltage input terminals comprise a highest operating voltage input terminal, the highest operating voltage input terminal being connected to the logic control module to provide a highest operating voltage for the coil of the relay under test.
8. The relay status testing device according to claim 1, wherein the operating voltage input terminals comprise a lowest operating voltage input terminal connected to the logic control module to provide a lowest operating voltage for the coil of the relay under test.
9. The relay status testing device according to claim 1, wherein the operating voltage input comprises a nominal operating voltage input connected to the logic control module to provide a nominal operating voltage for a coil of the relay under test.
10. An electrical device, comprising a first number of relays to be tested and a relay state testing device according to any one of claims 1 to 9, wherein the power supply is grounded sequentially through the first number of relays to be tested, the state sampling module is connected to each of the relays to be tested, and the operating voltage input end is connected to each of the relays to be tested through the logic control module.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202220143985.3U CN216718614U (en) | 2022-01-19 | 2022-01-19 | Relay state testing device and electrical equipment |
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| CN202220143985.3U CN216718614U (en) | 2022-01-19 | 2022-01-19 | Relay state testing device and electrical equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116540084A (en) * | 2023-05-10 | 2023-08-04 | 江苏斯菲尔电气股份有限公司 | Automatic test system and method for relay function of electric power instrument |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116540084A (en) * | 2023-05-10 | 2023-08-04 | 江苏斯菲尔电气股份有限公司 | Automatic test system and method for relay function of electric power instrument |
| CN116540084B (en) * | 2023-05-10 | 2023-12-12 | 江苏斯菲尔电气股份有限公司 | Automatic test system and method for relay function of electric power instrument |
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