CN216285535U - Multifunctional safety test box - Google Patents
Multifunctional safety test box Download PDFInfo
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- CN216285535U CN216285535U CN202122753749.1U CN202122753749U CN216285535U CN 216285535 U CN216285535 U CN 216285535U CN 202122753749 U CN202122753749 U CN 202122753749U CN 216285535 U CN216285535 U CN 216285535U
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Abstract
The utility model relates to the technical field of equipment safety detection, in particular to a multifunctional safety test box, which comprises a box body, a safety test box and a safety test box, wherein the box body comprises a power supply access part, a power supply input part, an input monitoring part, a power supply output part, an output monitoring part, an internal lead and an external test wire; the power connection end of the power supply access part is connected with the power supply input part and the test end of the input monitoring part through internal wires; the power connection end of the power supply access part is connected with the power output part and the test end of the output monitoring part through internal wires; the test end of the power input part can be connected with the test end of the power output part through an external test wire. According to the utility model, the internal circuit of the test box is divided into a plurality of different functional areas, so that different combination connections of the functional areas can be realized by using the test lines, different functional applications can be realized by forming different combination modes, the requirements of various safety test items are effectively met, and the universality of the test box is higher.
Description
Technical Field
The utility model relates to the technical field of equipment safety detection, in particular to a multifunctional safety test box.
Background
Safety test is the important work of power consumption safety, in safety test, there are many different test items, for example, transformer test, complete machine residual voltage test, input power test, items such as leakage current test and dielectric strength test, to above-mentioned each test item, prior art generally all is furnished with dedicated test equipment respectively, but still need some test fixture can more conveniently test in usual test procedure, simultaneously because safety test item's equipment integration degree is higher, make the test procedure become uncontrollable, easily receive the interference, and there are a great deal of inconveniences to understanding theory of operation and custom operation, influence tester's efficiency of software testing.
SUMMERY OF THE UTILITY MODEL
The utility model provides a multifunctional safety test box, which is more suitable for realizing different combination connection of each functional area by utilizing a test line by dividing an internal circuit of the test box into a plurality of different functional areas, thereby being beneficial to realizing different functional applications by forming different combination modes, effectively meeting the requirements of various safety test items, ensuring higher universality of the test box and more convenient and safer use.
The utility model provides a multifunctional safety test box which comprises a box body, wherein the box body comprises a power supply access part, a power supply input part, an input monitoring part, a power supply output part, an output monitoring part, an internal lead and an external test wire;
the power connection end of the power supply access part is connected with the power supply input part and the test end of the input monitoring part through the internal lead;
the power supply access part is connected with the power supply output part and the output monitoring part through the internal lead;
the test end of the power input part can be connected with the test end of the power output part through the external test wire.
According to the multifunctional safety test box provided by the utility model, the test ends of the power supply access part, the power supply input part, the input monitoring part and the power supply output part respectively comprise a live wire test end L, a zero line test end N and a ground wire test end E, and the test end of the output monitoring part comprises a live wire test end L and a zero line test end N;
a live wire test end L, a zero line test end N and a ground wire test end E of the power access part are respectively connected in series with the live wire test end L, the zero line test end N and the ground wire test end E of the power input part and the input monitoring part through internal leads;
the live wire test end L and the zero line test end N of the power supply access part are respectively connected with the live wire test end L and the zero line test end N of the power output part and the output monitoring part in series through internal leads, and the ground wire test end E of the power supply access part is connected with the ground wire test end E of the power output part through the internal leads.
According to the multifunctional safety test box provided by the utility model, the power supply access part is provided with the fuse, and the fuse is connected in series between the power connection end of the power supply access part and the test end of the power supply input part through an internal lead.
According to the multifunctional safety test box provided by the utility model, the power supply access part is provided with a universal socket for externally connecting a test sample.
According to the multifunctional safety test box provided by the utility model, when the test box is used for supplying power, the power supply access part is used for electrically connecting a network power supply, the power supply access part is used for electrically connecting a tested sample, and a live wire test end L, a zero line test end N and a ground wire test end E of the power supply input part are respectively connected with the live wire test end L, the zero line test end N and the ground wire test end E of the power supply output part through external test wires;
when the test box is used for reverse phase power supply, the power access part is used for electrically connecting a network power supply, the power supply access part is used for electrically connecting a tested sample, and the live wire test end L, the zero wire test end N and the ground wire test end E of the power input part are respectively connected with the zero wire test end N, the live wire test end L and the ground wire test end E of the power output part through external test wires.
According to the multifunctional safety test box provided by the utility model, when the test box is used for a transformer test, the power supply access part is used for electrically connecting a network power supply, the power supply input part is used for connecting the input end of a transformer through an external test wire, the power supply output part is used for connecting the output end of the transformer through the external test wire, and the live wire test end L and the zero line test end N of the output monitoring part are in short circuit with each other through the external test wire;
when the test box is used for transformer overload test, power access portion is used for the electric connection net power, power input portion is used for the input through external test line connection transformer, power output portion is used for the output through external test line connection transformer, be used for through external test line series test load between the live wire test end L of output control portion and zero line test end N.
According to the multifunctional safety test box provided by the utility model, when the test box is used for testing the residual voltage of the whole machine, the power supply access part is used for electrically connecting a network power supply, the power supply access part is used for electrically connecting a tested sample, and a live wire test end L, a zero line test end N and a ground wire test end E of the power supply input part are respectively connected with the live wire test end L, the zero line test end N and the ground wire test end E of the power supply output part through external test wires; when the test box is used for testing the residual voltage of the whole machine between lines, an oscilloscope is connected between a live line test end L and a zero line test end N of the input monitoring part (5) in series through an external test line; when the test box is used for testing the complete machine residual voltage of the phase line to the ground, an oscilloscope is connected between a live line test end L and a ground line test end E of the input monitoring part (5) in series through an external test line; when the test box is used for testing the residual voltage of the whole neutral line to the ground, an oscilloscope is connected between the zero line test end N and the ground line test end E of the input monitoring part (5) in series through an external test line.
According to the multifunctional safety test box provided by the utility model, when the test box is used for inputting power test, the power supply access part is used for electrically connecting a network power supply, the power supply access part is used for electrically connecting a tested sample, a voltmeter is connected in series between the live wire test end L of the input monitoring part and the zero line test end N of the input monitoring part through an external test wire, an ammeter is connected in series between the live wire test end L of the power supply input part and the live wire test end L of the power supply output part through the external test wire, and the zero line test end N and the ground line test end E of the power supply input part are respectively connected with the zero line test end N and the ground line test end E of the power supply output part through the external test wire.
According to the multifunctional safety test box provided by the utility model, when the test box is used for a leakage current test, the power supply access part is used for being electrically connected with a network power supply, and the power supply access part is used for sequentially connecting a tested sample, a leakage current measuring device and the ground wire test end E of the input monitoring part in series through an external test wire.
According to the multifunctional safety test box provided by the utility model, when the test box is used for testing the dielectric strength, the power supply access part is used for sequentially connecting the tested sample, the dielectric strength tester and the live wire test end L of the power output part in series through an external test wire, and the live wire test end L and the zero line test end N of the output monitoring part are mutually short-circuited through the external test wire.
The utility model provides a multifunctional safety test box, which divides different functional areas by an internal circuit of the box body, and comprises a power supply access part, a power supply input part, an input monitoring part, a power output part and an output monitoring part, wherein the power supply access part is electrically connected with the power supply input part and the input monitoring part by using an internal lead, the power supply access part is electrically connected with the power supply output part and the output monitoring part by using the internal lead, and the power supply input part and the power supply output part can be electrically connected under the connection of an external test wire, so that the test ends of the power supply access part, the power supply input part, the input monitoring part, the power supply output part and the output monitoring part can be electrified, and the multifunctional safety test box can be more suitable for connecting various functional areas by using the external test wire in different combinations, thereby can help realizing different function applications through forming different compound mode, effectively satisfy the demand of various different ann rule test items for the commonality of test box is stronger, uses more convenient, safety.
Drawings
In order to more clearly illustrate the technical solutions of the present invention or the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic view of the overall structure of the present invention
FIG. 2 is a diagram of the internal circuit connections of the present invention;
FIG. 3 is a wiring layout of the present invention during normal power;
FIG. 4 is a wiring layout for the reverse phase power supply of the present invention;
FIG. 5 is a wiring layout of the present invention as used in a transformer test;
FIG. 6 is a wiring layout for the complete machine residual voltage test according to the present invention;
FIG. 7 is a wiring layout of the present invention as used for input power testing;
FIG. 8 is a wiring layout of the present invention for use in a leakage current test;
fig. 9 is a wiring layout of the present invention when used for dielectric strength testing.
The attached drawings are marked as follows:
1-box body, 2-power supply access part, 3-power supply access part, 4-power supply input part, 5-input monitoring part, 6-power supply output part, 7-output monitoring part, 8-fuse, 100-internal lead, 200-external test wire, 300-power connection terminal and 400-test terminal.
Detailed Description
It should be noted that, in order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-2, a multifunctional safety test box comprises a box body 1, wherein the box body 1 comprises a power supply access part 2, a power supply access part 3, a power supply input part 4, an input monitoring part 5, a power supply output part 6, an output monitoring part 7, an internal lead 100 and an external test wire 200, and the number of the internal lead 100 and the external test wire 200 is multiple; each electric connection terminal 300 of the power access part 2 is respectively connected with each test terminal 400 of the power input part 4 and the input monitoring part 5 through an internal lead 100; each electric connection terminal 300 of the power supply access part 3 is connected with a test terminal 400 of the power output part 6 and the output monitoring part 7 respectively through an internal lead 100; when the safety test is performed, each test terminal 400 of the power input unit 4 can be connected to each test terminal 400 of the power output unit 6 via the external test line 200.
The multifunctional safety testing box of the embodiment divides different functional areas into different functional areas by the internal circuit of the box body 1, and comprises a power supply access part 2, a power supply access part 3, a power supply input part 4, an input monitoring part 5, a power supply output part 6 and an output monitoring part 7, wherein the power supply access part 2 is electrically connected with the power supply input part 4 and the input monitoring part 5 by the connection of the internal lead 100, the power supply access part 3 is electrically connected with the power supply output part 6 and the output monitoring part 7 by the internal lead 100, and simultaneously, the power supply input part 4 is electrically connected with the power supply output part 6 under the connection of the external testing wire 200, so that the power supply access part 2, the power supply access part 3, the power supply input part 4, the input monitoring part 5, the power supply output part 6 and the output monitoring part 7 can be electrified, and the multifunctional safety testing box can be more suitable for connecting various functional areas in different combinations through the external testing wire, thereby can help realizing different function applications through forming different compound mode, effectively satisfy the demand of various different ann rule test items for the commonality of test box is stronger, uses more convenient, safety.
Specifically, the test ends 400 of the power input part 4, the input monitoring part 5 and the power output part 6 all include a live wire test end L, a zero line test end N and a ground wire test end E, and the test end 400 of the output monitoring part 7 includes a live wire test end L and a zero line test end N;
a live wire test end L, a zero line test end N and a ground wire test end E of the power access part 2 are respectively connected in series with the live wire test end L, the zero line test end N and the ground wire test end E of the power input part 4 and the input monitoring part 5 through internal wires;
the live wire test end L and the zero line test end N of the power supply access part 3 are respectively connected with the live wire test end L and the zero line test end N of the power output part 6 and the output monitoring part 7 in series through internal leads, and the ground wire test end E of the power supply access part 3 is connected with the ground wire test end E of the power output part 6 through the internal leads.
Through the connection in the above way, the live wire test end L, the zero line test end N and the ground wire test end E of the power supply access part 2, the power supply access part 3, the power supply input part 4, the input monitoring part 5, the power supply output part 6 and the output monitoring part 7 can be electrified,
when testing, can carry out the connection of different combinations through each external test line 200 to the live wire test end L of each functional area, zero line test end N, ground wire test end E to constitute different combination mode and realize different function and use, satisfy the demand of various different ann rule test items, make the commonality of test box stronger, it is more convenient, safe to use.
Specifically, the power access part 2 is provided with a fuse 8, and the fuse 8 is used for being connected in series between the power connection end of the power access part 2 and the test end 400 of the power input part 4 through an internal wire. The fuse 8 can be used for input protection of the test box, and safety is improved.
Specifically, the power supply access portion 3 is provided with a universal socket for externally connecting the test sample, so that the test cartridge is electrically connected with the test sample externally.
Optionally, as shown in fig. 3, when the test box is used for supplying power, the power access portion 2 is electrically connected to a network power source through a power line, the power access portion 3 is electrically connected to a sample to be tested, and the live wire test end L, the zero line test end N, and the ground wire test end E of the power input portion 4 are respectively connected to the live wire test end L, the zero line test end N, and the ground wire test end E of the power output portion 6 through external test wires. Namely, the live wire test end L, the zero line test end N and the ground wire test end E of the power input part 4 are respectively connected with the live wire test end L, the zero line test end N and the ground wire test end E of the power output part 6 in a one-to-one correspondence manner, and the test box can be effectively utilized to carry out normal power supply through the wiring mode.
Optionally, as shown in fig. 4, when the test box is used for reverse phase power supply, the power access portion 2 is electrically connected to a network power source through a power line, the power access portion 3 is electrically connected to a sample to be tested, and the live line test end L, the zero line test end N, and the ground line test end E of the power input portion 4 are respectively connected to the live line test end N, the live line test end L, and the ground line test end E of the power output portion 6 through external test lines. Namely, the live wire test end L, the zero line test end N and the ground wire test end E of the power input part 4 are respectively connected with the zero line test end N, the live wire test end L and the ground wire test end E of the power output part 6 in a one-to-one correspondence manner, and the test box can be effectively utilized for reverse phase power supply through the wiring manner.
Optionally, as shown in fig. 5, when the test box is used for a transformer test, the power access portion 2 is electrically connected to a network power supply through a power line, the power input portion 4 is connected to an input end of a transformer through an external test line, the power output portion 6 is connected to an output end of the transformer through an external test line, and a live line test end L and a zero line test end N of the output monitoring portion 7 are in short circuit with each other through an external test line; through the wiring mode, the test box can be effectively utilized to carry out transformer tests.
When the test box is used for transformer overload test, the fuse with overlarge resistance or a short-circuit fuse is arranged in the fuse seat, the power access part 2 is electrically connected with a network power supply through a power line, the power input part 4 is connected with the input end of the transformer through an external test line, the power output part 6 is connected with the output end of the transformer through the external test line, and a test load is connected between the live wire test end L of the output monitoring part 7 and the zero line test end N through the external test line in series. Through the wiring mode, the test box can be effectively utilized to carry out transformer overload test.
Optionally, as shown in fig. 6, when the test box is used for testing the residual voltage of the whole machine, the power access portion 2 is electrically connected to a network power supply through a power line, the power supply access portion 3 is electrically connected to a sample to be tested, different combinations of the live wire test end L, the zero line test end N, and the ground wire test end E of the input monitoring portion 5 are connected in series to an oscilloscope through an external test line, the live wire test end L, the zero line test end N, and the ground wire test end E of the power input portion 4 are respectively connected to the live wire test end L, the zero line test end N, and the ground wire test end E of the power output portion 6 through external test lines, and during testing, voltage conditions between L-N, L-E, and N-E can be respectively detected. Through the wiring mode, the test box can be effectively utilized to carry out the test of the residual voltage of the whole machine. When the test box is used for testing the residual voltage of the whole machine between lines, an oscilloscope is connected between a live line test end L and a zero line test end N of the input monitoring part 5 in series through an external test line; the test box is used for inputting a voltage between a live wire test end L and a ground wire test end E of the monitoring part 5 when the residual voltage of the whole machine of the phase line to the ground is tested, and is used for connecting an oscilloscope in series through an external test line; when the test box is used for testing the residual voltage of the whole neutral line to the ground, an oscilloscope is connected between a zero line test end N and a ground line test end E of the input monitoring part 5 in series through an external test line.
Optionally, as shown in fig. 7, when the test box is used for an input power test, the power access portion 2 is electrically connected to a network power supply through a power line, the power access portion 3 is electrically connected to a sample to be tested, a voltmeter is connected in series between the live line test end L of the input monitoring portion 5 and the zero line test end N through an external test line, input voltage of the network power supply can be measured, an ammeter is connected in series between the live line test end L of the power input portion 4 and the live line test end L of the power output portion 6 through an external test line, input current of the network power supply can be measured, and the zero line test end N and the ground line test end E of the power input portion 4 are respectively connected to the zero line test end N and the ground line test end E of the power output portion 6 through external test lines. Through the wiring mode, the test box can be effectively utilized to carry out input power test.
Optionally, as shown in fig. 8, when the testing box is used for a leakage current test, the testing box may be used to solve a problem that it is difficult to find a ground terminal when a leakage current MD is used for the test, in a case that a tested sample is normally or reversely powered, the power access portion 2 is used to electrically connect to a network power supply, the power access portion 3 is used to sequentially connect in series the tested sample, a leakage current measuring device (i.e., a leakage current MD) and a ground line testing end E of the input monitoring portion 5 through an external testing line, which is equivalent to connecting one end of the leakage current MD to the E end of the input monitoring area, and the other end of the leakage current MD is connected to the tested sample, so as to perform the leakage current test. Through the wiring mode, the test box can be effectively utilized to carry out leakage current test.
Optionally, as shown in fig. 9, when the testing box is used for testing the dielectric strength, the power supply access portion 3 is used for sequentially connecting the tested sample, the dielectric strength tester and the live line testing end L (or the zero line testing end N) of the power output portion 6 in series through an external testing line, and the live line testing end L and the zero line testing end N of the output monitoring portion 7 are in short circuit with each other through the external testing line, so that the testing box can be used for testing the dielectric strength between the network power supply portion and the rest of the tested sample. Also, it can be used for dielectric strength test with the ground line (E terminal) of the power output section 6. Through the wiring mode, the test box can be effectively utilized to carry out the dielectric strength test.
In the description of the embodiments of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the embodiments of the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the embodiments of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. Specific meanings of the above terms in the embodiments of the present invention can be understood in specific cases by those of ordinary skill in the art.
In embodiments of the utility model, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," 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 an embodiment of the utility model. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. A multifunctional safety test box comprises a box body (1), and is characterized in that the box body (1) comprises a power supply access part (2), a power supply access part (3), a power supply input part (4), an input monitoring part (5), a power supply output part (6), an output monitoring part (7), an internal lead and an external test wire;
the power connection end of the power access part (2) is connected with the test ends of the power input part (4) and the input monitoring part (5) through the internal lead;
the power connection end of the power supply access part (3) is connected with the test ends of the power output part (6) and the output monitoring part (7) through the internal lead;
the testing end of the power input part (4) can be connected with the testing end of the power output part (6) through the external testing wire.
2. The multifunctional safety-regulation test box of claim 1, wherein the test ends of the power supply access part (2), the power supply access part (3), the power supply input part (4), the input monitoring part (5) and the power supply output part (6) comprise a live wire test end L, a zero line test end N and a ground wire test end E, and the test end of the output monitoring part (7) comprises a live wire test end L and a zero line test end N;
the live wire test end L, the zero line test end N and the ground wire test end E of the power access part (2) are respectively connected with the live wire test end L, the zero line test end N and the ground wire test end E of the power input part (4) and the input monitoring part (5) in series through internal leads;
the live wire test end L and the zero line test end N of the power supply access part (3) are connected in series with the live wire test end L and the zero line test end N of the power output part (6) and the output monitoring part (7) through internal wires respectively, and the ground wire test end E of the power supply access part (3) is connected with the ground wire test end E of the power output part (6) through the internal wires.
3. A multifunctional safety-compliance testing box according to claim 2, characterized in that the power access part (2) is provided with a fuse (8), the fuse (8) being used to be connected in series between the electrical connection end of the power access part (2) and the testing end of the power input part (4) by means of an internal conductor.
4. A multifunctional safety-compliance test box according to claim 3, characterized in that the power supply access part (3) is provided with a universal socket for externally connecting a test sample.
5. The multifunctional safety test box according to claim 4, wherein when the test box is used for supplying power, the power supply access part (2) is used for electrically connecting a network power supply, the power supply access part (3) is used for electrically connecting a tested sample, and a live wire test end L, a zero line test end N and a ground wire test end E of the power supply input part (4) are respectively connected with a live wire test end L, a zero line test end N and a ground wire test end E of the power supply output part (6) through external test wires;
when the test box is used for reverse phase power supply, power access portion (2) are used for the electric connection net power, power supply access portion (3) are used for the electric connection by the sample, live wire test end L, zero line test end N and ground wire test end E of power input portion (4) respectively through the external test line with zero line test end N, live wire test end L and ground wire test end E of power output portion (6) are connected.
6. The multifunctional safety-regulation test box is characterized in that when the test box is used for transformer tests, the power supply access part (2) is used for being electrically connected with a network power supply, the power supply input part (4) is used for being connected with the input end of a transformer through an external test wire, the power supply output part (6) is used for being connected with the output end of the transformer through the external test wire, and the live wire test end L and the zero wire test end N of the output monitoring part (7) are mutually short-circuited through the external test wire;
when the test box is used for transformer overload test, power access portion (2) are used for the electric connection net power, power input portion (4) are used for the input through external test line connection transformer, power output portion (6) are used for the output through external test line connection transformer, be used for through external test line series test load between live wire test end L and the zero line test end N of output monitoring portion (7).
7. The multifunctional safety test box according to claim 4, wherein when the test box is used for testing the residual voltage of the whole machine, the power supply access part (2) is used for electrically connecting a network power supply, the power supply access part (3) is used for electrically connecting a tested sample, a live wire test end L, a zero line test end N and a ground wire test end E of the power supply input part (4) are respectively connected with a live wire test end L, a zero line test end N and a ground wire test end E of the power supply output part (6) through external test wires, and when the test box is used for testing the residual voltage of the whole machine between lines, an oscilloscope is connected between the live wire test end L and the zero line test end N of the input monitoring part (5) in series through the external test wires; when the test box is used for testing the complete machine residual voltage of the phase line to the ground, an oscilloscope is connected between a live line test end L and a ground line test end E of the input monitoring part (5) in series through an external test line; when the test box is used for testing the residual voltage of the whole neutral line to the ground, an oscilloscope is connected between the zero line test end N and the ground line test end E of the input monitoring part (5) in series through an external test line.
8. The multifunctional safety test box according to claim 4, wherein when the test box is used for an input power test, the power supply access part (2) is used for electrically connecting a network power supply, the power supply access part (3) is used for electrically connecting a tested sample, a voltmeter is connected in series through an external test wire between the live wire test end L of the input monitoring part (5) and the zero line test end N, an ammeter is connected in series through an external test wire between the live wire test end L of the power supply input part (4) and the live wire test end L of the power supply output part (6), and the zero line test end N and the ground line test end E of the power supply input part (4) are respectively connected with the zero line test end N and the ground line test end E of the power supply output part (6) through external test wires.
9. The multifunctional safety test box according to claim 4, wherein when the test box is used for a leakage current test, the power supply access part (2) is used for electrically connecting a network power supply, and the power supply access part (3) is used for sequentially connecting a tested sample, a leakage current measuring device and the ground wire test end E of the input monitoring part (5) in series through an external test wire.
10. The multifunctional safety-regulation test box of claim 4, wherein when the test box is used for dielectric strength test, the power supply access part (3) is used for sequentially connecting a tested sample, a dielectric strength tester and the live wire test end L of the power output part (6) in series through an external test wire, and the live wire test end L and the zero wire test end N of the output monitoring part (7) are mutually short-circuited through the external test wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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