CN213398840U - Switch performance test equipment, test cabinet and test system - Google Patents
Switch performance test equipment, test cabinet and test system Download PDFInfo
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- CN213398840U CN213398840U CN202022394045.5U CN202022394045U CN213398840U CN 213398840 U CN213398840 U CN 213398840U CN 202022394045 U CN202022394045 U CN 202022394045U CN 213398840 U CN213398840 U CN 213398840U
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Abstract
The application relates to a switch performance test device, a test cabinet and a test system. The apparatus comprises: a first performance testing module; the first performance testing module comprises a plurality of first combined load modules; the first combined load modules are connected in parallel; the first combined load module is used for connecting a power supply through the first switch to be tested; the first performance testing module also comprises a first power monitoring module and a first power-on and power-off counting module for detecting the power-on and power-off times of the first switch to be tested; one end of the first power monitoring module and one end of the first power-on and power-off counting module are connected to one end of each first combined load module together; the other end of the first power monitoring module and the other end of the first power-on and power-off counting module are connected to the other end of each first combined load module together. The switch performance testing equipment provides comprehensive load, has good expansibility, does not need frequent manual load replacement, and improves the testing efficiency; the load power is monitored in real time, and the safety of the test process is guaranteed.
Description
Technical Field
The application relates to the technical field of performance testing of fixed electrical devices, in particular to switch performance testing equipment, a testing cabinet and a testing system.
Background
At present, products such as switches or sockets of stationary electrical devices for household and similar purposes need to be subjected to performance tests in order to ensure the quality reliability of the products. The traditional products such as switches or sockets are tested by a single product in a simple wiring mode, discrete load lamps are adopted, the load is manually replaced to test according to the specification requirements of each product, potential safety hazards are easy to occur, and the switching efficiency of various adaptive load lamps is low.
In the implementation process, the inventor finds that at least the following problems exist in the conventional technology: in the process of performance test of products such as a switch or a socket of the existing fixed electrical device, the switching efficiency of various adaptive load lamps is very low, and potential safety hazards exist.
SUMMERY OF THE UTILITY MODEL
In view of the above, it is necessary to provide a switch performance testing device, a testing cabinet and a testing system.
In order to achieve the above object, in one aspect, the embodiment of the present invention provides a switch performance testing apparatus, including: a first performance testing module;
the first performance testing module comprises a plurality of first combined load modules; the first combined load modules are connected in parallel; the first combined load module is used for connecting a power supply through the first switch to be tested;
the first performance testing module also comprises a first power monitoring module and a first power-on and power-off counting module for detecting the power-on and power-off times of the first switch to be tested;
one end of the first power monitoring module and one end of the first power-on and power-off counting module are connected to one end of each first combined load module together; the other end of the first power monitoring module and the other end of the first power-on and power-off counting module are connected to the other end of each first combined load module together.
In one embodiment, the first combined load module comprises a plurality of first lamp groups; the first lamp sets are mutually connected in parallel.
In one embodiment, the first lamp set comprises a first load lamp and a first branch switch; the first load lamps belonging to the same first combined load module are of the same type;
one end of the first load lamp is connected with one end of the first branch switch; one end of the first power monitoring module and one end of the first power-on and power-off counting module are connected to the other end of the first branch switch together; the other end of the first power monitoring module and the other end of the first power-on and power-off counting module are connected to the other end of the first load lamp together.
In one embodiment, the first combined load module further comprises a first overload protection unit; each first lamp group is connected with a first switch to be tested through a first overload unit;
the first performance test module also comprises a first leakage protection module; the first overload protection unit is connected with a first switch to be tested through the first leakage protection module.
In one embodiment, the system further comprises a plurality of second performance test modules;
the second performance testing module comprises a second power monitoring module, a second on-off counting module and a plurality of second combined load modules;
all the second combined load modules are connected in parallel; the second combined load module is used for being connected with a power supply through a second switch to be tested; one end of the second power monitoring module and one end of the second power-on/off counting module are connected to one end of each second combined load module together; the other end of the second power monitoring module and the other end of the second power-on/off counting module are connected to the other end of each second combined load module together;
the first combined load module is connected with the second combined load module in parallel.
In one embodiment, the second combined load module comprises a plurality of second lamp groups; the second lamp sets are mutually connected in parallel.
In one embodiment, the second lamp group comprises a second load lamp, a second branch switch, a third branch switch, a fourth branch switch and a fifth branch switch; the second load lamps belonging to the same second combined load module are of the same type;
one end of the second branch switch and one end of the third branch switch are both connected with one end of the second load lamp; one end of the fourth switch and one end of the fifth switch are both connected with the other end of the second load lamp;
one end of the second power monitoring module and one end of the second power-on/off counting module are connected to the other end of the second branch switch together; the other end of the second power monitoring module and the other end of the second power-on/off counting module are connected to the other end of the fourth switch together;
the other end of the third branch switch is connected with one end of the first combined load; the other end of the fifth switch is connected with the other end of the first combined load.
In one embodiment, the second combined load module further comprises a second overload protection unit; each second lamp group is connected with a second switch to be tested through a second overload protection unit;
the second performance testing module also comprises a second leakage protection module; the second overload protection unit is connected with the second switch to be tested through the second leakage protection module.
A switch performance test cabinet comprises the switch performance test equipment arranged in a shell.
A switch performance test system comprises the switch performance test cabinet, a corresponding power supply and a switch to be tested.
One of the above technical solutions has the following advantages and beneficial effects:
the first combined load module integrates various loads, provides real adaptive loads which are different in type and power and can be freely combined for the first switch to be tested, has good expansibility, meets high-power adaptation of products, improves the testing efficiency of the switch, reduces the times of manually replacing the loads and avoids potential safety hazards; the power on-off times of the first switch to be tested are monitored by arranging the first power on-off counting module, and when the first switch to be tested meets the requirement of the power on-off testing times, whether the first switch to be tested meets the testing requirement is detected; and the first power monitoring module is arranged to monitor the power of the combined load in the test process, so that various power test requirements are provided, and the safety of the test process is ensured.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments or the conventional technologies of the present application, the drawings used in the descriptions of the embodiments or the conventional technologies will be briefly introduced below, it is obvious that the drawings in the following descriptions are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a first block diagram of a switch performance test apparatus according to an embodiment;
FIG. 2 is a second block diagram of the switch performance test apparatus according to the embodiment;
FIG. 3 is a third block diagram illustrating an exemplary switch performance testing apparatus;
FIG. 4 is a schematic diagram of a switch performance testing apparatus in a specific example;
FIG. 5 is a schematic diagram of a 3-speed toggle single-pole triple-throw switch in a specific example;
fig. 6 is a schematic front structural diagram of a switch performance testing device in a specific example;
fig. 7 is a schematic diagram of a back structure of a switch performance testing device in a specific example;
FIG. 8 is a schematic diagram of an alarm power meter connection of a switch performance testing device in a specific example;
FIG. 9 is a block diagram showing the structure of a switch performance test cabinet according to an embodiment;
fig. 10 is a block diagram of a switch performance test system according to an embodiment.
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.
Spatial relational terms, such as "under," "below," "under," "over," and the like may be used herein to describe one element or feature's relationship to another element or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device 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 or features described as "below" or "beneath" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary terms "under" and "under" can encompass both an orientation of above and below. In addition, the device may also include additional orientations (e.g., rotated 90 degrees or other orientations) and the spatial descriptors used herein interpreted accordingly.
It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or be connected to the other element through intervening elements. Further, "connection" in the following embodiments is understood to mean "electrical connection", "communication connection", or the like, if there is a transfer of electrical signals or data between the connected objects.
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.
In one embodiment, as shown in fig. 1, there is provided a switch performance test apparatus, which may include: a first performance testing module;
the first performance testing module can comprise a plurality of first combined load modules; the first combined load modules are connected in parallel; the first combined load module is used for connecting a power supply through the first switch to be tested;
the first performance testing module can also comprise a first power monitoring module and a first power-on and power-off counting module for detecting the power-on and power-off times of the first switch to be tested;
one end of the first power monitoring module and one end of the first power-on and power-off counting module are connected to one end of each first combined load module together; the other end of the first power monitoring module and the other end of the first power-on and power-off counting module are connected to the other end of each first combined load module together.
Specifically, the first performance testing module is used for performing performance detection, such as load adaptability, overload test and the like, on the switch to be tested, and detecting whether the switch to be tested meets a testing standard; due to the characteristic of the electronic switch circuit, considering circuit matching, the switch to be tested is required to carry out testing with real load, namely, the circuits with different characteristics have different matching conditions, the types and the powers of the loads carried by each product are different, and each product needs to carry out testing with actual load in order to ensure the reliability of the product quality, which can be specifically subject to the electronic switch specification; the switch to be tested can be an intelligent dimming switch, a card-inserting power-taking switch and the like. The first power monitoring module can be an alarm power meter; the first power-on and power-off counting module may be a counter.
The first combined load module is used for providing different types and different powers for the switch to be tested and carrying out freely combined real adaptive loads, the first performance test module comprises a plurality of first combined load modules, the types and the number of the first combined load modules can be configured according to actual requirements, the load types and the power sizes of the first switch to be tested can be selectively set according to actual requirements in the performance test process, and the first switch to be tested is connected with a power supply through the switch to be tested.
After the first combined load modules are configured, according to the requirement of a real load required by the first module to be tested, selecting the first combined load modules with corresponding quantity and types to be connected to a power supply through the first switch to be tested; in the process of testing the switch performance, the first switch to be tested is switched on and off, the power on and off times of the first switch to be tested are recorded through a counter, the corresponding power on and off times are required to be met, and 40000 times of power on and off is generally required; the alarm power meter can detect the total power of the load carried by the first switch to be tested, and can adjust the access of the first combined load through the total power measured by the first power monitoring module, so that the service life test (rated load), overload test (maximum load) and the like can be supported; when the power on-off times of the first switch to be tested meet the requirement, whether the first switch to be tested meets the testing requirement is detected, namely whether the first switch to be tested can bear mechanical stress, electrical stress and thermal stress generated in normal use is detected, and excessive abrasion or other harmful effects cannot be generated. After the test is finished, the first switch to be tested can be replaced at any time, and the corresponding first combined test module is selected for testing according to the corresponding test requirement.
The first performance testing module of the switch performance testing equipment can be configured with various types and quantity of first combined load modules, the corresponding combined load modules are selected according to testing requirements and are connected to a power supply through the first switch to be tested, corresponding performance testing is carried out on the first switch to be tested, the first switch to be tested can be replaced at any time for testing after the testing is finished, manual load replacement is not needed, and unsafe factors generated in the process of frequently replacing the load are avoided; the first power-on and power-off counting module can monitor whether the first switch to be detected meets the requirement of power-on and power-off times in real time, the first power monitoring module can monitor the total power of the load carried by the first switch to be detected in real time, the selection of the first combined load module is adjusted according to the detected power value, the load power can be configured as required conveniently, and therefore a corresponding performance test is provided for the first switch to be detected.
In a specific embodiment, as shown in fig. 2, the first combined load module may include a number of first lamp groups; the first lamp sets are mutually connected in parallel.
In one example, the first lamp set may include a first load lamp and a first sub-switch; the first load lamps belonging to the same first combined load module are of the same type;
one end of the first load lamp is connected with one end of the first branch switch; one end of the first power monitoring module and one end of the first power-on and power-off counting module are connected to the other end of the first branch switch together; the other end of the first power monitoring module and the other end of the first power-on and power-off counting module are connected to the other end of the first load lamp together.
The first sub switch can be a toggle switch; the types of the first load lamps may be incandescent lamps, LED (Light Emitting Diode) lamps, energy saving lamps, halogen lamps, fluorescent lamps, and the like, and the first load lamps belonging to the same first combined load module have the same type, and the first load lamps in different first combined load modules may have the same or different types, and the specific load lamp types may be configured according to actual requirements.
Specifically, the types and the number of the first load lamps in each first combined load module are configured according to actual requirements, and the first load lamps of each first combined load module may be different. According to the performance test requirement of the first switch to be tested, the first combined load with the corresponding type and power is selected to be connected with the power supply, namely, according to the power of the first load lamp required to be loaded by the first switch to be tested and the type of the first combined load lamp, the first branch switch connected with the corresponding first load lamp in series is closed, and then the selected corresponding first load lamps are connected in parallel and connected with the power supply through the first switch to be tested. Under the condition that the first switch to be tested bears the corresponding power matched with the first load lamp, the first switch to be tested is subjected to on-off operation for corresponding times, and whether the first switch to be tested can bear mechanical stress, electrical stress and thermal stress generated in normal use is detected, so that excessive wear or other harmful effects cannot occur. After the test is finished, the first switch to be tested can be replaced for testing.
According to the method and the device, the first load lamps in the first lamp group of the first combined load module are configured, and the first branch switches connected with the corresponding first load lamps in series are closed under the condition that the corresponding first load lamps need to be connected according to the test requirement of the first switch to be tested, so that the corresponding first load lamps needing to be connected are connected into the circuit in parallel. Therefore, when the performance of a plurality of first switches to be tested is tested, the requirements of the switch performance test on the load lamps and the bearing power are met, only the first branch tube connected with the corresponding first load lamp in series is needed to be closed, the first load lamp does not need to be manually replaced, the test efficiency is improved, and the potential safety hazard caused by frequent manual replacement of the load lamp is avoided.
In a specific embodiment, as shown in fig. 3, the first combined load module may further include a first overload protection unit; each first lamp group is connected with a first switch to be tested through a first overload unit;
the first performance test module can also comprise a first leakage protection module; the first overload protection unit is connected with a first switch to be tested through the first leakage protection module. The first leakage protection module and the first switch to be tested can be connected through the first input socket.
The first overload protection unit can disconnect the access of each load in the first combined load module when the current in each first combined load module exceeds the safe current, so that the potential safety hazard caused by overload of the load is prevented; the first overload protection unit can be an air switch, and the air switch is a switch which can be automatically switched off as long as the current in the circuit exceeds the rated current; the first leakage protection module can automatically cut off the power supply access of the first performance test module when the circuit leaks electricity, so that potential safety hazards caused by the electricity leakage of the circuit are avoided; the first leakage protection module can be a leakage protection switch, and the leakage protection switch can be disconnected under the condition that the circuit leaks electricity, so that the power supply is automatically cut off. This equipment can also introduce monitoring alarm system, and monitoring alarm system is independent complete machine for outsourcing, can detect switch or socket output voltage, electric current, power factor isoparametric, and normal test generally shows voltage, electric current and power in real time, can set up the upper and lower value of detection power, has the overproof bee calling organ to report to the police promptly, can monitor load lamp cold state and hot state power change, lamps and lanterns damage monitoring to remind in time to change the accuracy that lamps and lanterns guaranteed the test.
Specifically, in the process of testing the switch performance, if the current of a first combined load module is overlarge due to the connection of a first load lamp in the first combined load module, and when the current exceeds a certain current value, an air switch in the first combined load module is switched off, so that the connection of the first combined load module is cut off, and the safety problem caused by the overlarge current due to the overload of the module is prevented; similarly, if the leakage condition occurs in the first performance testing module, the leakage protection switch in the first performance testing module is disconnected, and the power supply is directly cut off, so that potential safety hazards caused by the leakage condition in the circuit are prevented.
In the above, the switch performance test equipment of the application configures various types and numbers of the first combined load modules as required, when the switch performance test is required, selects the corresponding first load lamps to be connected to the power supply according to the test requirement, randomly combines and collocates the load lamps in various power ranges to perform the performance test on the switch to be tested, integrates loads, has more selectivity, good expansibility and is very convenient, and meets the requirement of high-power adaptation of products; when the switch to be tested needs to be replaced for testing, only the corresponding first load lamp access circuit needs to be selected, and the load lamp does not need to be frequently and manually replaced, so that potential safety hazards caused by frequent and manual replacement of the load are avoided, and the testing efficiency is improved; the first power-on and power-off counting module is convenient for monitoring the test progress in real time, and the first power monitoring module is convenient for configuring the load according to the requirement; the arrangement of the first overload protection unit and the first leakage protection module provides a safe guarantee for the whole test process, the switch performance test equipment provides a set of complete switch performance test, and the device is efficient, convenient, safe and reliable.
In one embodiment, there is provided a switch performance test apparatus, which may include: a first performance testing module;
the first performance testing module can comprise a plurality of first combined load modules; the first combined load modules are connected in parallel; the first combined load module is used for connecting a power supply through the first switch to be tested;
the first performance testing module can also comprise a first power monitoring module and a first power-on and power-off counting module for detecting the power-on and power-off times of the first switch to be tested; one end of the first power monitoring module and one end of the first power-on and power-off counting module are connected to one end of each first combined load module together; the other end of the first power monitoring module and the other end of the first power-on and power-off counting module are connected to the other end of each first combined load module together;
the first combined load module may include a number of first lamp groups; the first lamp groups are mutually connected in parallel; the first lamp set may include a first load lamp and a first sub-switch; the first load lamps belonging to the same first combined load module are of the same type; one end of the first load lamp is connected with one end of the first branch switch; one end of the first power monitoring module and one end of the first power-on and power-off counting module are connected to the other end of the first branch switch together; the other end of the first power monitoring module and the other end of the first power-on and power-off counting module are connected to the other end of the first load lamp together;
the first combined load module may further include a first overload protection unit; each first lamp group is connected with a first switch to be tested through a first overload unit; the first performance test module can also comprise a first leakage protection module; the first overload protection unit is connected with a first switch to be tested through the first leakage protection module. The first leakage protection module and the first switch to be tested can be connected through the first input socket.
The equipment also comprises a plurality of second performance testing modules;
the second performance testing module can comprise a second power monitoring module, a second power-on and power-off counting module and a plurality of second combined load modules;
all the second combined load modules are connected in parallel; the second combined load module is used for being connected with a power supply through a second switch to be tested; one end of the second power monitoring module and one end of the second power-on/off counting module are connected to one end of each second combined load module together; the other end of the second power monitoring module and the other end of the second power-on/off counting module are connected to the other end of each second combined load module together;
the first combined load module is connected with the second combined load module in parallel.
In a specific embodiment, the second combined load module may include a number of second lamp groups; the second lamp groups are mutually connected in parallel; the second lamp group may include a second load lamp, a second tap switch, a third tap switch, a fourth tap switch, and a fifth tap switch; the second load lamps belonging to the same second combined load module are of the same type;
one end of the second branch switch and one end of the third branch switch are both connected with one end of the second load lamp; one end of the fourth switch and one end of the fifth switch are both connected with the other end of the second load lamp;
one end of the second power monitoring module and one end of the second power-on/off counting module are connected to the other end of the second branch switch together; the other end of the second power monitoring module and the other end of the second power-on/off counting module are connected to the other end of the fourth switch together;
the other end of the third branch switch is connected with one end of the first combined load; the other end of the fifth switch is connected with the other end of the first combined load.
In one example, the other end of the third sub switch is connected with the other end of the first sub switch; the other end of the fifth switch is connected with the other end of each first load lamp through one end of the first overload protection unit.
The second performance testing module can also be used for performing performance detection on the switch to be tested, the type and the number of the second combined load modules can also be configured according to actual requirements, the second power monitoring module can also be an alarm power meter, and the second power-on/off counting module can be a counter; the second branch switch, the third branch switch, the fourth branch switch and the fifth branch switch can be toggle switches; the second load lamp may be of the type incandescent, LED, energy saving, halogen, fluorescent, etc. The switch performance testing apparatus shown in fig. 4 includes a first performance testing module and two second performance testing modules, and the detailed structure is not described again.
Specifically, by arranging a plurality of second performance testing modules, the performance of a plurality of switches to be tested can be tested at the same time; after the first combined load modules and the second combined load modules are configured as required, selecting the first combined load modules and the second combined load modules in corresponding quantity and types according to the test requirements of the switches to be tested; the corresponding first load lamp can be connected into a circuit where the first switch to be tested is located by closing the first branch switch in a certain first lamp set, and meanwhile, the corresponding second load lamp can be connected into a circuit where the second switch to be tested is located by closing the second branch switch and the fourth branch switch in a certain second branch switch, so that the performance of the first switch to be tested and the performance of the second switch to be tested can be respectively tested.
When the power of a certain type of load lamp carried by the first switch to be tested does not reach the standard or the total power carried by each first combined load does not reach the standard, the second load lamp in the second lamp group can be connected to the circuit where the first switch to be tested is located by closing the third branch switch and the fifth branch switch in the second lamp group, and the second lamp group is connected in parallel with each connected first lamp group, so that the load requirement carried by the first switch to be tested is met. Similarly, when a second switch to be tested has the same condition, a second load lamp in another second performance test module can be connected into the circuit thereof in the above manner, so that the corresponding switch test requirements can be met.
In a specific example, a double-control switch with one off position may also be adopted in the second lamp set, for example, two 3-shift toggle single-pole triple-throw switches are adopted, which are a first 3-shift toggle single-pole triple-throw switch and a second 3-shift toggle single-pole triple-throw switch, as shown in fig. 5, the 3-shift toggle single-pole triple-throw switch includes three switch positions, the switch position 1 is a normal connection input end, the switch position 2 is a middle cut-off input end, and the switch position 3 is an upward parallel connection input end; when the first 3-gear toggle single-pole triple-throw switch and the second 3-gear toggle single-pole triple-throw switch are both toggled to the switch position 1, the corresponding second load lamp is connected into a corresponding circuit where the second switch to be tested is located, when the first 3-gear toggle single-pole triple-throw switch and the second 3-gear toggle single-pole triple-throw switch are both toggled to the switch position 3, the corresponding second load lamp is connected into a circuit where the switch to be tested is connected in parallel with the corresponding second load lamp, and when the first 3-gear toggle single-pole triple-throw switch and the second 3-gear toggle single-pole triple-throw switch are both toggled to the switch position 2, the corresponding second load lamp is disconnected and is not connected into the circuit.
In a specific example, the first performance testing module and the second performance testing module can be arranged on the front surface of the multipoint grounding metal partition plate to prevent the partition plate from deforming at high temperature, isolation cotton and mica materials are introduced, a high-temperature connecting wire is adopted, and an exhaust fan is connected to the isolation cotton and the mica materials, so that the strong exhaust heat dissipation is realized, the generation of peculiar smell is prevented, and the safety is improved; the lamp holders of the first load lamp and the second load lamp can adopt safe grounding metal lamp holder base plates, so that the problems that the lamp holders deform at high temperature and are easily damaged in the test process are solved; the back of the multipoint grounding metal partition plate can also be provided with a plurality of first performance test modules and a plurality of second performance test modules.
By arranging the second performance testing modules, the performance of the switches to be tested can be tested simultaneously, and the testing efficiency is further improved; the problem that the power of a certain type of load carried by a certain switch to be tested does not reach the standard or the total load carried by the certain switch to be tested does not reach the standard can be solved by opening and closing the corresponding sub-switches in a certain second lamp group, so that the load carried by the switch to be tested can be conveniently configured as required, and more test requirements can be provided for the switch to be tested.
In a specific embodiment, the second combined load module may further include a second overload protection unit; each second lamp group is connected with a second switch to be tested through a second overload protection unit;
the second performance testing module can also comprise a second leakage protection module; the second overload protection unit is connected with the second switch to be tested through the second leakage protection module. The second leakage protection module and the second switch to be tested can be connected through a second input socket.
Wherein, the second overload protection unit can be an air switch; the second earth leakage protection module may be an earth leakage protection switch.
Specifically, when a second switch to be tested is tested, a second sub switch and a fourth sub switch in a corresponding second lamp set are closed, and the corresponding second lamp set is connected to a test circuit of the second switch to be tested, so that the second overload protection unit can prevent a certain second combined load module connected to the second switch to be tested from being overloaded, and can automatically disconnect the load connection in the second combined load module when the certain second combined load module is overloaded; the second leakage protection module automatically cuts off the power supply of the corresponding second performance test module when leakage occurs in the performance test process of the corresponding second switch to be tested; the arrangement of the second overload protection unit and the second leakage protection module provides good safety guarantee for the switch testing process.
In a specific example, as shown in fig. 6, which is a schematic front structural diagram of a switch performance testing apparatus, a first performance testing module and two second performance testing modules are disposed on a front surface of a multipoint grounded metal partition board, where the first performance testing module includes three first combined load modules, the first combined load module includes 1 air switch, 6 toggle switches and 6 incandescent lamps, the second first combined load module includes 1 air switch, 8 toggle switches and 8 energy-saving lamps, and the third first combined load module includes 1 air switch, 8 toggle switches and 8 LEDs; the two second performance testing modules are respectively provided with three second combined load modules, the first second combined load module comprises 1 air switch, 24 toggle switches and 6 incandescent lamps, the second combined load module comprises 1 air switch, 32 toggle switches and 8 energy-saving lamps, and the third second combined load module comprises 1 air switch, 32 toggle switches and 8 LEDs; a first performance testing module is disposed on the back side of the multipoint grounded metal partition, as shown in fig. 7, the first performance testing module may include a first combined load module, and the first combined load module may include 18 fluorescent lamps and corresponding 18 toggle switches. The four paths respectively adopt a 220V alternating current power supply, a national standard 16 ampere input socket, a leakage protection switch and a counter, the four paths adopt the same alarm power meter, and an exhaust fan is introduced, as shown in fig. 8, the connection schematic diagram of the alarm power meter is shown, each path of load power can be monitored by switching four paths of corresponding switches of the power meter, and specific connection relations are not repeated. The four performance testing modules can work simultaneously, and the maximum power can reach more than 3.6 kilowatts, so that the switch performance monitoring equipment can provide different testing requirements for the switch to be tested.
In the application, the second performance testing modules are arranged, so that the switch testing efficiency is further improved, the problem that the power of a certain type of load carried by a certain switch to be tested does not reach the standard or the problem that the total load carried by the certain switch to be tested does not reach the standard can be solved, the load carried by the switch to be tested can be conveniently configured according to needs, more testing requirements are provided for the switch to be tested, the comprehensive load is good in expansibility, and the high-power adaptation of a product is met; the testing process monitors power and current in real time, meanwhile, the second overload protection unit and the second leakage protection module are arranged, the problems of overload, leakage and the like which are easy to occur in the testing process are avoided, and the switching performance testing process is safer and more reliable, so that a set of complete switching performance test is provided.
In one embodiment, a switch performance test cabinet is provided, as shown in fig. 9, which may include a switch performance test apparatus as described above disposed within a housing. The detailed structure of the switch performance testing device has been described in detail above, and therefore, the detailed description is omitted.
The shell of the body of the switch performance testing cabinet can be made of an electrostatic baking varnish cold steel plate, and metal gray insulating spray paint is adopted, so that the switch performance testing cabinet is safer; CCC (China Compulsory Certification) high-strength semitransparent toughened glass is adopted on the front side and the back side, so that strong light pollution is solved; the front and back can also adopt hidden handle hinge door, and the fuselage bottom takes the gyro wheel, and it is more convenient to remove.
In one embodiment, a switch performance testing system is provided, as shown in fig. 10, which may include a switch performance testing cabinet as described above, and a corresponding power supply and switch under test.
The power supply can be a 220V alternating current power supply, and the switch to be tested can be a plug-in card power-taking switch, an intelligent dimming switch and the like.
Specifically, when the switch to be tested is subjected to performance test, the switch to be tested is connected to the switch performance test cabinet, and the switch performance test cabinet is connected to the power supply.
In summary, the first performance testing module and the second performance testing module are arranged to perform performance testing on the switch to be tested, the first combined load module and the second combined load module are designed, counting and power monitoring are integrated, various loads are integrated, expansibility is good, high-power adaptation of products is met, and a set of complete performance testing is provided; the load is switched in a combined mode, so that the testing efficiency is improved; the load does not need to be frequently and manually switched, so that potential safety hazards caused by frequent load switching are avoided; meanwhile, overload and leakage protection are provided, and the safety is higher; the testing accuracy can be ensured by combining a monitoring alarm system; the switch performance testing equipment can also solve the problems of high-temperature deformation and peculiar smell generation of the internal partition plate in the testing process; the shell of the switch performance test cabinet is insulated and safe, and strong light pollution is avoided.
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 above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as 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 express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A switch performance test apparatus, comprising: a first performance testing module;
the first performance testing module comprises a plurality of first combined load modules; the first combined load modules are connected in parallel; the first combined load module is used for connecting a power supply through a first switch to be tested;
the first performance testing module also comprises a first power monitoring module and a first power-on and power-off counting module for detecting the power-on and power-off times of the first switch to be tested;
one end of the first power monitoring module and one end of the first power-on and power-off counting module are connected to one end of each first combined load module together; the other end of the first power monitoring module and the other end of the first power-on and power-off counting module are connected to the other end of each first combined load module together.
2. The switch performance test apparatus of claim 1, wherein the first combined load module comprises a number of first lamp groups; the first lamp sets are mutually connected in parallel.
3. The switch performance test apparatus of claim 2, wherein the first lamp group comprises a first load lamp and a first sub-switch; the first load lamps belonging to the same first combined load module are of the same type;
wherein, one end of the first load lamp is connected with one end of the first branch switch; one end of the first power monitoring module and one end of the first power-on and power-off counting module are connected to the other end of the first branch switch together; the other end of the first power monitoring module and the other end of the first power-on and power-off counting module are connected to the other end of the first load lamp together.
4. The switch performance test apparatus of any of claims 2 to 3, wherein the first combined load module further comprises a first overload protection unit; each first lamp group is connected with the first switch to be tested through the first overload unit;
the first performance test module also comprises a first leakage protection module; the first overload protection unit is connected with the first switch to be tested through the first leakage protection module.
5. The switch performance testing apparatus of claim 1, further comprising a plurality of second performance testing modules;
the second performance testing module comprises a second power monitoring module, a second on-off counting module and a plurality of second combined load modules;
the second combined load modules are connected in parallel; the second combined load module is used for being connected with a power supply through a second switch to be tested; one end of the second power monitoring module and one end of the second power-on/off counting module are connected to one end of each second combined load module together; the other end of the second power monitoring module and the other end of the second power-on/off counting module are connected to the other end of each second combined load module together;
the first combined load module is connected in parallel with the second combined load module.
6. The switch performance test equipment of claim 5, wherein the second combined load module comprises a number of second lamp sets; the second lamp sets are mutually connected in parallel.
7. The switch performance test equipment of claim 6, wherein the second lamp group comprises a second load lamp, a second tap switch, a third tap switch, a fourth tap switch, and a fifth tap switch; the second load lamps belonging to the same second combined load module are of the same type;
one end of the second branch switch and one end of the third branch switch are both connected with one end of the second load lamp; one end of the fourth switch and one end of the fifth switch are both connected with the other end of the second load lamp;
one end of the second power monitoring module and one end of the second power-on/off counting module are connected to the other end of the second branch switch together; the other end of the second power monitoring module and the other end of the second power-on and power-off counting module are connected to the other end of the fourth switch together;
the other end of the third branch switch is connected with one end of the first combined load; the other end of the fifth switch is connected with the other end of the first combined load.
8. The switch performance test apparatus of any of claims 6 to 7, wherein the second combined load module further comprises a second overload protection unit; each second lamp group is connected with the second switch to be tested through the second overload protection unit;
the second performance testing module also comprises a second leakage protection module; and the second overload protection unit is connected with the second switch to be tested through the second leakage protection module.
9. A switch performance test cabinet comprising a switch performance test apparatus according to any one of claims 1 to 8 disposed within a housing.
10. A switch performance test system comprising a switch performance test cabinet according to claim 9, and a corresponding power supply and switch under test.
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| CN202022394045.5U CN213398840U (en) | 2020-10-23 | 2020-10-23 | Switch performance test equipment, test cabinet and test system |
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| CN202022394045.5U CN213398840U (en) | 2020-10-23 | 2020-10-23 | Switch performance test equipment, test cabinet and test system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116224199A (en) * | 2023-03-30 | 2023-06-06 | 上海海关机电产品检测技术中心 | Standard sample for low-power measurement |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116224199A (en) * | 2023-03-30 | 2023-06-06 | 上海海关机电产品检测技术中心 | Standard sample for low-power measurement |
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