CN212257815U

CN212257815U - Socket box

Info

Publication number: CN212257815U
Application number: CN202020904777.1U
Authority: CN
Inventors: 李翔; 罗军; 肖定生; 李靖; 王雨
Original assignee: Guangzhou Measuring & Measuring Technology Co ltd
Current assignee: Guangzhou Measuring & Measuring Technology Co ltd
Priority date: 2020-05-26
Filing date: 2020-05-26
Publication date: 2020-12-29
Anticipated expiration: 2030-05-26

Abstract

The utility model discloses a socket box relates to the test field, to the inconvenient problem that carries or inconvenient use of present field test, provides following technical scheme, including insulating main part, be equipped with the jack panel in the insulating main part, be equipped with the socket hole on the jack panel, be equipped with in the insulating main part with the conductive component that the socket hole corresponds, conductive component includes live wire and zero line at least, insulating main part is equipped with a pair of main part wiring end at least, a pair of main part wiring end respectively corresponding to the live wire with the zero line.

Description

Socket box

Technical Field

The utility model relates to a test field especially relates to a socket box.

Background

At present, the voltage, current, power and other electrical parameters of an instrument or equipment are often required to be tested, and the electronic load is often adopted in the prior art to realize the test. However, the environment of testing the voltage, current or power of the instrument or equipment on the site may not meet the use requirement of the electronic load, and when the test environment does not meet the use requirement of the electronic load, the electronic load may be damaged; moreover, the electronic load required for testing high-power instruments or equipment is large in size and is not convenient to carry to the field for use. In addition, a tester may insert a plurality of resistive loads into a multi-jack socket box for testing, and when the test current is too large, a great potential safety hazard may exist.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a socket box, which is designed to solve the problem of inconvenient carrying or use of the existing on-site testing tool.

In order to achieve the above object, the utility model provides a pair of socket box, including insulating main part, be equipped with the jack panel in the insulating main part, be equipped with the jack on the jack panel, be equipped with in the insulating main part with the conductive component that the jack corresponds, conductive component includes live wire and zero line at least, insulating main part is equipped with a pair of main part wiring end at least, a pair of main part wiring end respectively corresponding to the live wire with the zero line.

In an embodiment of the present application, the insulating body is provided with at least one connecting hole, and the connecting hole corresponds to the live wire and the neutral wire; the socket box further comprises an insulating base, the insulating base is provided with an insulating channel and a live wire channel and a zero wire channel which are positioned on two sides of the insulating channel, the live wire channel and the zero wire channel are made of conducting materials, and the insulating base is at least further provided with a pair of pins which respectively correspond to the live wire channel and the zero wire channel.

In an embodiment of the present application, the insulating base is further provided with at least one pair of base terminals, and the pair of base terminals respectively correspond to the live wire channel and the neutral wire channel.

In an embodiment of the present application, the body terminal and/or the base terminal are respectively provided with at least one conductive hole.

In an embodiment of the present application, an insulating protective cover plate is further disposed on the main body terminal and/or the base terminal.

In an embodiment of the application, the jack panel is provided with two-hole jacks and/or three-hole jacks.

In an embodiment of the present application, the three-hole jack is a universal jack.

In an embodiment of the present application, a safety device is further disposed in the insulation main body.

In an embodiment of the application, the end face of the insulating main body, which is provided with the connecting hole, and the end face of the insulating base, which is provided with the plug pin, are abutted to the plane in the state that the insulating main body is plugged with the insulating base.

In an embodiment of the present application, the socket case further includes a measuring device, and the measuring device further includes a collecting unit connected to the conductive member, and a display device in signal connection with the collecting unit.

The utility model discloses technical scheme is connected resistive load and equipment under test through the socket box, realizes testing instrument or equipment. When the tester needs to arrive the field test, often need to take testing tool certainly, but when the instrument or the equipment of needs test high power, if carry like the isometric great testing tool of electronic load then very inconvenient, and carry a plurality of according to the utility model discloses a socket box is then more light. According to the utility model discloses a socket box can be used to test instrument or the equipment of instrument or equipment especially high power, can be according to the electric parameter of instrument or equipment to the socket box independent assortment that is connected with resistive load, is about to resistive load series connection and/or parallelly connected in order to obtain the required resistance value of test, according to the utility model discloses a socket box also can the exclusive use, provides very big facility for test work. Moreover, compared with a socket box which can be connected with more resistance loads, the socket box according to the utility model is adopted, namely, each socket box can only be connected with 1-2 resistance loads, and the mode of freely combining a plurality of socket boxes is safer and more reliable. Furthermore, according to the utility model discloses a socket box can be used for testing instrument or the equipment of direct current, single-phase alternating current and three-phase alternating current, and the suitability is stronger.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only exemplary embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without inventive work, wherein:

fig. 1 is a schematic structural diagram of the socket box of the present invention;

fig. 2 is a cross-sectional view of the base of the socket case of the present invention;

fig. 3 is a sectional view of the main structure of the socket case of the present invention with three holes;

fig. 4 is a cross-sectional view of the main structure of the socket case of the present invention with three-hole jacks;

fig. 5 is a top view of the socket case of the present invention;

fig. 6 is a schematic view of the main body of the socket box according to the present invention connected in series;

fig. 7 is a schematic parallel connection view of the main body of the socket box of the present invention;

fig. 8 is a schematic connection diagram of the socket box of the present invention used for a three-phase three-wire test circuit;

fig. 9 is a schematic connection diagram of the socket box of the present invention for a three-phase four-wire test circuit.

The reference numerals include:

1 an insulating body;

2 a body terminal;

3, connecting holes;

4, inserting a pin;

5 a base terminal;

6, an insulating base;

7, a zero line;

8, a ground wire;

9 live wires;

10 zero line channel;

11 a live line channel;

12 insulating the channel;

13 a jack panel;

14 conducting wires;

15 equipment to be tested;

16 display means.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is obvious that the described embodiments are only exemplary embodiments of the present invention, rather than the only embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1 to 7, the utility model provides a socket box, including insulating main part 1, be equipped with jack panel 13 on the insulating main part 1, be equipped with the jack on the jack panel 13, be equipped with in the insulating main part 1 with the conductive component that the jack corresponds, conductive component includes live wire 9 and zero line 7 at least, insulating main part 1 is equipped with a pair of main part wiring end 2 at least, a pair of main part wiring end 2 respectively corresponding to live wire 9 with zero line 7.

In the technical scheme, the insulating main body 1 is made of an insulating material, so that the use safety of the socket box is guaranteed; the connection mode of the insulating main body 1 and the jack panel 13 is preferably detachable connection, such as screw connection, clamping connection and the like, and the detachable connection can be adopted to facilitate the inspection and maintenance of the socket box, and in this embodiment, the jack panel is preferably a plane; the insulating main body 1 is provided with at least one pair of main body terminals 2, the pair of main body terminals 2 respectively correspond to the live wire 9 and the zero wire 7, the pair of main body terminals 2 are two main body terminals 2, one main body terminal corresponds to the live wire 9, and the other main body terminal corresponds to the zero wire 7; the pair of main body terminals 2 can be arranged at any position of the insulating main body 1, namely when the pair of main body terminals 2 are arranged, the two main body terminals 2 respectively corresponding to the live wire 9 and the zero wire 7 can be arranged on the same end face of the insulating main body 1 or respectively arranged on different end faces of the insulating main body 1; when a plurality of pairs of main terminals 2 are provided, the plurality of pairs of main terminals may be all provided on the same end surface of the insulating main body 1 or may be provided on different end surfaces of the insulating main body 1, respectively. Specifically, the main body terminal 2 may be a conductive component, such as a terminal, a copper sheet fixed by screws, etc., which is arranged on the end surface of the insulating main body 1 and connected with the live wire 9 and the zero wire 7 in the prior art, or a conductive sheet, which is arranged inside the insulating main body 1 and connected with the live wire 9 and the zero wire 7 in the prior art; the connection of the jack panel 13 to the resistive load should not be obstructed when the body terminal 2 provided on the jack panel 13 is connected to other instruments or devices through a wire, and in this embodiment, the body terminal 2 is preferably provided on the side of the insulating body 1 so as to be connected to the live wire 9 and the neutral wire 7 correspondingly.

In an embodiment of the present application, the insulating main body 1 is provided with at least one connection hole 3, and the connection hole 3 corresponds to the live wire 9 and the neutral wire 7; the socket box further comprises an insulating base 6, the insulating base 6 is provided with an insulating channel 12 and a live wire channel 11 and a zero wire channel 10 which are positioned on two sides of the insulating channel 12, the live wire channel 11 and the zero wire channel 10 are made of conducting materials, and the insulating base 6 is further at least provided with a pair of pins 4 which respectively correspond to the live wire channel 11 and the zero wire channel 10.

Adopt above-mentioned technical scheme, insulating main part 1 can be equipped with one or more connecting hole 3 in insulating main part 1's arbitrary terminal surface, insulating base 6 still is equipped with at least one pair of respectively corresponding to live wire passageway 11 with zero line passageway 10's bolt 4, live wire passageway 11 with zero line passageway 10 comprises conducting material, insulating passageway 12 comprises insulating material, and in this embodiment, conducting material adopts metal material in order to obtain better electric conductive property.

Specifically, when the end face of the insulating main body 1 is provided with one connecting hole 3, a pair of pins 4 on the insulating base 6 are correspondingly inserted into the same connecting hole 3, that is, the pins 4 corresponding to the live wire channel 11 are correspondingly connected with the live wire 9 through the inserted connecting holes 3, and the pins 4 corresponding to the zero wire channel 10 are correspondingly connected with the zero wire 7 through the inserted connecting holes 3; when the end face of the insulating main body 1 is provided with two connecting holes 3 respectively corresponding to the live wire 9 and the zero wire 7, as shown in fig. 1, a pair of pins 4 on the insulating base 6 are correspondingly inserted into the connecting holes 3, so as to be correspondingly connected with the live wire 9 and the zero wire 7; of course, the end face of the insulating main body 1 may also be provided with a plurality of connecting holes 3 for the corresponding connection of the plug pin 4 with the live wire 9 and the zero wire 7.

Preferably, the plug 4 is further provided with an insulating sleeve, the insulating sleeve can be an insulating sleeve sleeved on the plug 4, and when the insulating main body 1 needs to be inserted into the insulating base 6, the corresponding insulating sleeve is taken down; the insulating cover also can be with 4 integrated into one piece's of bolt insulating cover, and the top of insulating cover is equipped with the through-hole, and bolt 4 is located in the insulating cover and the length of bolt is slightly less than the length of insulating cover, when bolt 4 inserts when the connecting hole, live wire 9, zero line 7 correspond the butt in through the through-hole at the top of insulating cover bolt 4, or be equipped with in the insulating main part 1 respectively with the connecting portion that live wire 9, zero line 7 are connected, like wire, conducting strip etc. connecting portion correspond the butt in through the through-hole at the top of insulating cover bolt 4.

The insulating base 6 is preferably provided with a plurality of pairs of pins 4 corresponding to the connecting holes 3, namely, one insulating base 6 can be inserted into a plurality of insulating main bodies 1 through the connecting holes 3, the insulating base 6 is provided with a live wire channel 11 and a zero wire channel 10, and when one insulating base 6 is inserted into a plurality of insulating main bodies 1, the plurality of insulating main bodies 1 can be electrically connected with the live wire channel 11 and the zero wire channel 10 so as to achieve the purpose of connecting a plurality of socket boxes in parallel. The mode that a plurality of resistance loads are connected in parallel is adopted for testing, so that the safety of the equipment to be tested 15 is further ensured, namely when one resistance load is short-circuited, the whole testing circuit is not influenced; the connecting hole 3 can be further provided with a protection device, the protection device can be an insulating cover plate used for shielding the connecting hole 3 or a sealing plug used for being in sealing connection with the connecting hole 3, in the testing process, the protection device can be used for covering the connecting hole 3 which is not needed to be used temporarily, the use safety of the socket box is guaranteed, the damage of the device to be tested 15 or the resistance load caused by the fact that foreign matters enter the connecting hole 3 is avoided, and the electric shock caused by the fact that a tester improperly inserts fingers into the connecting hole 3 can also be avoided.

In an embodiment of the present application, the insulating base 6 is further provided with at least one pair of base terminals 5, and the pair of base terminals 5 correspond to the live wire channel 11 and the neutral wire channel 10, respectively.

By adopting the technical scheme, the insulating base 6 is at least provided with a pair of base terminals 5 for connecting the insulating base 6 with the equipment to be tested 15 or the insulating base 6 through a lead, and the pair of base terminals 5 comprises one base terminal 5 corresponding to the live wire channel 11 and one base terminal 5 corresponding to the zero wire channel 10; the utility model provides a wire 14 can be test line or power cord etc. among the prior art, and its specification is decided according to concrete test demand. Preferably, the body terminal 2 of the insulating body 1 is used for a test circuit with a small current, and the base terminal 5 of the insulating base 6 is used for a test circuit with a large current, i.e. when the current on the test circuit is large, the corresponding wire 14 is also thick, so that the terminals should be different, for example, when the terminals are conductive holes, the conductive hole diameter of the insulating body 1 is small, and the conductive hole diameter of the insulating base 6 is large. The pair of base terminals 5 may be disposed at any position of the insulating base 6, that is, the pair of base terminals 5 may be disposed on the same end surface of the insulating base 6, the pair of base terminals 5 may also be disposed on different end surfaces of the insulating base 6, and a plurality of pairs of base terminals 5 may be disposed on the same end surface or different end surfaces of the insulating base 6, the base terminals 5 may be conductive components, such as binding posts, copper sheets fixed by screws, etc., disposed on the end surface of the insulating main body 1 and connected with the live wire 9 and the zero wire 7 in the prior art, or conductive strips disposed inside the base terminals 5 and connected with the live wire 9 and the zero wire 7 in the prior art, in this embodiment, the base terminals 5 are preferably disposed on the side surface of the insulating base 6 so as to be connected with the live wire channel 11 and the zero wire channel 10 correspondingly, of course, in the actual test work, when the base terminals 5 are disposed on the end surface, the insertion of the insulating body 1 into the insulating base 6 should not be impeded.

In an embodiment of the present application, the body terminal 2 and/or the base terminal 5 are provided with at least one conductive hole, respectively.

With the above technical solution, as shown in fig. 1, in this embodiment, a pair of main body terminals 2 and/or base terminals 5 respectively correspond to two conductive holes, that is, when two wires are respectively inserted into two conductive holes formed in an insulating main body 1, the two wires are respectively connected to a main body terminal 2 corresponding to the live wire 9 and a main body terminal 2 corresponding to the zero wire 7, and similarly, when the two wires are respectively inserted into two conductive holes formed in an insulating base 6, the two wires are respectively connected to a base terminal 5 corresponding to the live wire channel 11 and a base terminal 5 corresponding to the zero wire channel 10. The two terminals may also correspond to a conductive hole (not shown), that is, when two wires are respectively inserted into the same conductive hole on the insulating main body 1, the two wires are respectively connected with a main terminal 2 corresponding to the live wire 9 and a main terminal 2 corresponding to the zero line 7, and similarly, when two wires are respectively inserted into the same conductive hole on the insulating base 6, the two wires are respectively connected with a base terminal 5 corresponding to the live wire channel 11 and a base terminal 5 corresponding to the zero line channel 10. Furthermore, the main body terminal 2 and/or the base terminal 5 are correspondingly provided with one or more conductive holes, and the connection mode of the conductive holes and the wires can be threaded connection or plugging connection.

In an embodiment of the present application, an insulating protective cover is further disposed on the body terminal 2 and/or the base terminal 5.

By adopting the technical scheme, the main body wiring terminal 2 and/or the base wiring terminal 5 which are not needed to be used temporarily in the test can be covered by the insulating protective cover plate, the use safety of the socket box is guaranteed, the electric shock caused by the fact that fingers touch the main body wiring terminal 2 and/or the base wiring terminal 5 are prevented from occurring due to improper operation of a tester, and preferably, the protective cover plate can also play a waterproof role and is convenient for daily storage.

In an embodiment of the present application, the jack panel 13 is provided with two-hole jacks and/or three-hole jacks.

Adopt above-mentioned technical scheme, two hole jacks with three hole jacks are prior art, and this embodiment need not be repeated. An insulating main part 1 is equipped with a two hole jacks and/or a three hole jacks, and an insulating main part 1 can only insert and is not more than 2 resistance load promptly, effectively avoids using the socket box that is equipped with many jacks and pegs graft a plurality of resistance load and carry out the condition tested, is favorable to guaranteeing the safe in utilization of socket box, effectively avoids damaging the problem of equipment 15 that awaits measuring because of overloading, when a plurality of resistance load were inserted to needs, a plurality of socket boxes of accessible establish ties and/or parallelly connected the realization. When the jack panel 13 is provided with two jacks, the two jacks of the two jacks respectively correspond to the live wire 9 and the zero wire 7 in the insulating main body 1; when jack panel 13 is equipped with three hole jacks, three jacks of three hole jacks correspond to live wire 9, ground wire 8 and zero line 7 in the insulating main part 1 respectively. According to the utility model discloses a socket box can also be connected with measuring instrument or measuring equipment such as voltmeter, ampere meter or power meter through main part wiring end 2 and/or base wiring end 5 to acquire the corresponding parameter of resistive load on the socket box and/or equipment under test 15.

Adopt above-mentioned technical scheme, the general purpose jack is prior art, can insert two hole plugs/three hole plugs, specifically, combines fig. 5, and the jack of connecting ground wire 8 is the rectangle, and the jack of connecting live wire 9 and connecting zero line 7 is the pentagon, and the jack of connecting live wire 9 and connecting zero line 7 is symmetrical arrangement respectively and is in the side below of the jack of connecting ground wire 8.

In an embodiment of the present application, a safety device is further disposed in the insulating main body 1.

By adopting the technical scheme, the fuse device can adopt a fuse, an air switch and the like which are connected in series with a live wire 9 or a zero wire 7 in the insulating main body 1 in the prior art, when the insulating main body 1 is connected into a resistance load and/or other instruments for testing, if the current flowing through the fuse device reaches the trigger current of the fuse device, the fuse device takes effect, namely, the fuse is fused, the air switch is disconnected and the like, so that the circuit where the fuse device is located is disconnected; the safety device can also adopt a control chip in the prior art, namely the control chip measures parameters such as current, voltage, power or temperature of the circuit, and when the measured parameters reach a preset threshold value, the control chip controls the circuit to be disconnected. Through the mode that sets up safeties in insulating main part 1, the safety of guarantee test goes on, effectively avoids appearing the problem that conductive component in insulating main part 1, the resistive load and/or other instruments and the equipment 15 that awaits measuring that insert of insulating main part 1 burn out to a certain extent. Is favorable for prolonging the service life of the socket box. Likewise, the insulating base 6 can further ensure the safety of the test operation by being provided with the safety device.

In an embodiment of the present application, the end surface of the insulating main body 1 provided with the connecting hole 3 and the end surface of the insulating base 6 provided with the plug pin 4 are in plane contact with each other in a state that the insulating main body 1 is inserted into the insulating base 6.

Adopt above-mentioned technical scheme, the terminal surface that is equipped with connecting hole 3 of insulating main part 1 and the terminal surface plane that is equipped with bolt 4 of insulating base 6 support and lean on, when insulating main part 1 is pegged graft with base bolt 4 promptly, the terminal surface that is equipped with connecting hole 3 of insulating main part 1 and the terminal surface plane that is equipped with bolt 4 of insulating base 6 support and lean on to make the connection between insulating main part 1 and insulating base 6 fasten more, help the guarantee the safe in utilization of socket box, in this embodiment, insulating main part 1 and insulating base 6 are the cube.

By adopting the technical scheme, the measuring device comprises the acquisition unit and the display device, the acquisition unit is preferably detachably connected with the insulating main body 1, and also can be detachably connected with the insulating base 6, for example, the acquisition unit is spliced with the insulating main body 1 and/or the insulating base 6, the acquisition unit is arranged in the insulating main body 1 and/or the insulating base 6, and the like, so that the maintenance is facilitated. Specifically, the acquisition unit may be connected to a conductive component in the insulating main body 1 to acquire parameters corresponding to a resistive load and/or other instruments connected to the insulating main body 1; the acquisition unit can also be connected with a live wire channel and a zero line channel in the insulating base 6 to acquire parameters corresponding to instruments or equipment connected with the insulating base 6, and the acquisition unit can adopt an acquisition circuit of voltage, current, power, temperature and the like in the prior art. The display device is externally connected with the insulating main body 1 or the insulating base 6, is in communication connection with the acquisition unit and is used for displaying the parameters acquired by the acquisition unit, and can be a digital display instrument, a nixie tube, a liquid crystal screen, a pointer display instrument and the like in the prior art.

Preferably, the measuring device further comprises a battery module, a control module, a communication module, a storage module and the like, wherein the power supply module is used for supplying power to the display device so as to ensure the normal operation of the display device; the control module is used for controlling the connection/disconnection of the measuring circuit, the control module can be a human body sensing unit, namely when the distance between a tester and the socket box of the utility model is greater than a distance threshold value, the measuring circuit is connected to start testing, and the control module can also be a sound control unit and other control means in the prior art; the communication module can adopt wireless communication modes such as Bluetooth, infrared, WIFI, 3G, 4G and 5G and the like or wired communication modes such as data line connection and the like in the prior art, is used for connecting the control module with the test terminal in a communication manner, and is particularly suitable for short-distance test to achieve the aim of remote test; the storage module is used for storing the test data and the like collected by the measuring device.

Specifically, when the socket box according to the utility model is in a test state, the conductive component in the insulating main body 1 and the resistance load and/or other instruments connected to the insulating main body 1 are powered on, the acquisition unit is powered on and acquires corresponding parameters, and the display screen displays the parameters; when the test is finished, the device to be tested 15 is separated from the insulating main body 1/the insulating base 6, the conductive assembly in the insulating main body 1 and the resistance load and/or other instruments connected to the insulating main body 1 are powered off, the acquisition unit is powered off immediately, and the display screen is reset and closed.

The insulation main body 1 and/or the insulation base 6 are connected with a measuring device, so that the corresponding parameters of the resistance load and/or other instruments connected with the insulation main body 1 can be visually checked. In addition, the measuring device can also be provided with a reminding function, namely when the parameter measured by the acquisition unit exceeds a preset safety threshold value, the measuring device reminds a tester through alarm means in the prior art such as a buzzer, an indicator light and a display screen. For safety reasons, in field test operation, the use of the socket box according to the present embodiment requires that the rated parameters of the measuring device, such as rated voltage, rated current, etc., be taken into account to ensure the safety of the test tool and the device under test 15.

The utility model discloses a connected mode of socket box includes:

when the resistive loads accessed by the two insulating main bodies 1 need to be connected in series, as shown in fig. 6, a main body terminal 2 corresponding to a live wire 9 of one insulating main body 1 and a main body terminal 2 corresponding to a zero wire 7 of the other insulating main body 1 are connected by a lead 14, the other main body terminal 2 corresponding to the live wire 9 and the other main body terminal 2 corresponding to the zero wire 7 are connected with a power line of a device to be tested 15, so that the two insulating main bodies 1 are connected in series, and the resistive loads are accessed on the jack panel 13 of the socket box, so that the purpose of connecting a larger resistive load can be achieved, namely, a resistive load with a larger resistance value is obtained by connecting a plurality of resistive loads with smaller resistance values in series;

when the resistor loads accessed by the plurality of insulation main bodies 1 need to be connected in parallel, as shown in fig. 7, the plurality of insulation main bodies 1 are inserted into the insulation base 6, the base wiring terminal 5 is connected with a power line of the equipment to be tested 15, and the required resistor loads are accessed to the jack panel 13 of the socket box, so that the aim of connecting the plurality of resistor loads in parallel can be fulfilled; at least one insulation main body 1 can be inserted on one insulation base 6, a plurality of insulation sockets 6 inserted with the insulation main bodies 1 are sequentially connected through a wire 14, and one insulation base 6 is connected with a device to be tested 15 through a wire.

When testing the direct current device 15 to be tested, selecting a resistance load which can be connected with direct current in accordance with the connection mode;

when the single-phase alternating current device to be tested 15 is tested, the resistance load which can be introduced with alternating current is selected according to the connection mode;

when testing a device 15 to be tested with three-phase and three-wire, as shown in fig. 8, the main body terminals 2 of the three insulating main bodies 1 corresponding to the zero line 7 are connected together by the wires 14, the main body terminals 2 of the three insulating main bodies 1 corresponding to the live wire 9 are respectively connected with the phase line a, the phase line B and the phase line C of the device 15 to be tested, the required resistive load is connected to the jack panel 13 of the socket box, and the sum of the powers between the insulating main bodies 1 and the corresponding phase lines is the total power of the device 15 to be tested;

when testing a device 15 to be tested of a three-phase four-wire system, as shown in fig. 9, connecting the main body terminals 2 of the three insulating main bodies 1 corresponding to the zero line 7 with the zero line power line of the device 15 to be tested, connecting the main body terminals 2 of the three insulating main bodies 1 corresponding to the live wire 9 with the phase line a, the phase line B and the phase line C of the device 15 to be tested respectively, connecting a required resistive load on the jack panel 13 of the socket box, wherein the sum of the powers of the insulating main bodies 1 and the corresponding phase lines is the total power of the device 15 to be tested;

for safety, when testing the high-power device 15 to be tested, as shown in fig. 7, the insulating main body 1 may be inserted into the insulating base 6, and the base terminal 5 of the insulating base 6 is connected to the insulating base 6 or the device 15 to be tested, so as to improve the safety of the testing operation;

it is emphasized that, in the field test process, the specific number of the resistive loads required to be connected in series and/or in parallel, and the number of the resistive loads required to be connected in series and/or in parallel are determined according to the test requirements; and resistance load is preferred to be stable and portable resistance load of resistances such as electric stove, incandescent lamp, and tester portability resistance load of multiple different resistances splices the socket box in a flexible way according to the test demand, different structural design according to the utility model discloses a socket box also can make up wantonly, if be equipped with insulating main part 1/insulating base 6 of a pair of or many pairs of wiring end at different terminal surfaces, be connected with measuring device's insulating main part 1/insulating base 6, not connect measuring device's insulating main part 1/insulating base 6 etc. tester can select according to specific test demand. Furthermore, references to testing in the present disclosure include, but are not limited to, measuring, calibrating, verifying, detecting, etc. an instrument or device.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that modifications and embellishments without departing from the principles of the present invention will occur to those skilled in the art, and are to be considered within the scope of the present invention.

Claims

1. The utility model provides a socket box, includes insulating main part (1), be equipped with jack panel (13) on insulating main part (1), be equipped with the socket hole on jack panel (13), be equipped with in insulating main part (1) with the conductive component that the socket hole corresponds, conductive component includes live wire (9) and zero line (7) at least, its characterized in that, insulating main part (1) is equipped with a pair of main part wiring end (2) at least, a pair of main part wiring end (2) respectively corresponding to live wire (9) with zero line (7).

2. The socket case according to claim 1, wherein the insulating body (1) is provided with at least one contact hole (3), the one contact hole (3) corresponding to the live wire (9) and the neutral wire (7); the socket box further comprises an insulating base (6), the insulating base (6) is provided with an insulating channel (12) and a live wire channel (11) and a zero wire channel (10) which are located in the insulating channel (12), the live wire channel (11) and the zero wire channel (10) are made of conducting materials, and the insulating base (6) is at least further provided with a pair of pins (4) which respectively correspond to the live wire channel (11) and the zero wire channel (10).

3. Socket box according to claim 2, wherein the insulating base (6) is further provided with at least one pair of base terminals (5), the pair of base terminals (5) corresponding to the live channel (11) and the neutral channel (10), respectively.

4. Socket box according to claim 3, characterised in that the body terminal (2) and/or the base terminal (5) are provided with at least one conductive hole, respectively.

5. Socket box according to claim 4, characterised in that an insulating protective cover is also provided on the body terminal (2) and/or the base terminal (5).

6. Socket box according to claim 1, wherein the jack panel (13) is provided with two-hole jacks and/or three-hole jacks.

7. The socket case according to claim 6, wherein the three-hole jack is a universal jack.

8. Socket box according to claim 1, wherein a safety device is further provided in the insulating body (1).

9. The socket case according to claim 2, wherein an end surface of the insulating main body (1) provided with the connection hole (3) and an end surface of the insulating base (6) provided with the plug pin (4) are in planar abutment in a state where the insulating main body (1) is plugged with the insulating base (6).

10. The socket box according to any one of claims 2 to 9, further comprising a measuring device, the measuring device further comprising a collecting unit connected to the conductive member, and a display device in signal connection with the collecting unit.