CN213875797U - Electric energy metering combined junction box with terminal protective sleeve - Google Patents
Electric energy metering combined junction box with terminal protective sleeve Download PDFInfo
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- CN213875797U CN213875797U CN202022452405.2U CN202022452405U CN213875797U CN 213875797 U CN213875797 U CN 213875797U CN 202022452405 U CN202022452405 U CN 202022452405U CN 213875797 U CN213875797 U CN 213875797U
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Abstract
The utility model relates to an electric energy metering combined junction box with a terminal protective sleeve, which comprises a bottom shell and an upper cover which can be covered on the bottom shell; the bottom shell is of a groove body structure, and a plurality of groups of electric energy metering positions of a current inlet and outlet terminal, a voltage inlet and outlet terminal and a test terminal are arranged in the groove body; and the electric energy metering positions of the current inlet and outlet terminal, the voltage inlet and outlet terminal and the test terminal are also fixedly provided with a current inlet and outlet terminal protective sleeve, a voltage inlet and outlet terminal protective sleeve and a test terminal protective sleeve which are of hollow cylinder structures. Operating personnel is when uniting the terminal box operation to the electric energy measurement, the utility model discloses a terminal protective sheath effectively carries out the separation, has improved the security that the terminal box was united in the electric energy measurement, can avoid operating personnel maloperation simultaneously, and touching electric current business turn over terminal, voltage business turn over terminal and test terminal prevent the emergence of potential safety hazard.
Description
Technical Field
The utility model relates to a terminal box, in particular to take terminal protective sheath's joint terminal box of electric energy measurement.
Background
The electric energy metering combined junction box can realize that secondary wires led out by a mutual inductor are connected in series and parallel through terminals of wiring ends of the electric energy metering combined junction box and then connected to wiring terminals of an electric energy meter, and is suitable for single-phase illumination and three-phase active and reactive electric energy metering combined wiring of various voltage levels.
The common electric energy metering combined junction box on the market generally comprises a plurality of groups of electric energy metering positions for carrying out tests, current, voltage and other electric energy metering, and 3 groups of types in the electric energy metering positions of the electric energy metering combined junction box are common; the single group of electric energy metering positions comprise A, B, C three groups of currents, including one-in one-out or one-in multiple-out voltage, and current tests and voltage tests for the current and voltage tests; meanwhile, the test, the current and the voltage are related to a corresponding test terminal, a corresponding current terminal and a corresponding voltage terminal.
In actual use, a plurality of test terminals, current terminals and voltage terminals involved in the conventional electric energy metering combined junction box do not involve corresponding safety protection measures. When an operator starts the electric energy metering combined junction box to perform required operation, the operator can directly touch the terminal; meanwhile, when the electric energy metering combined junction box is used, an operator needs to operate the electric energy metering combined junction box under the condition of electrifying. Therefore, the electrified test terminal, the current terminal and the voltage terminal in the electric energy metering combined junction box can be directly touched, and certain potential safety hazards exist.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a high safety can prevent to operate the electric energy measurement and unite the terminal box in-process, and the electric energy measurement of taking the terminal protective sheath of direct touch test terminal, current terminal and voltage terminal unites the terminal box.
The utility model adopts the technical proposal that:
an electric energy metering combined junction box with a terminal protective sleeve comprises a bottom shell and an upper cover capable of covering the bottom shell; the bottom shell is of a groove body structure, and a plurality of groups of electric energy metering positions of a current inlet and outlet terminal, a voltage inlet and outlet terminal and a test terminal are arranged in the groove body; and the electric energy metering positions of the current inlet and outlet terminal, the voltage inlet and outlet terminal and the test terminal are also fixedly provided with a current inlet and outlet terminal protective sleeve, a voltage inlet and outlet terminal protective sleeve and a test terminal protective sleeve which are of hollow cylinder structures.
Preferably, the current inlet and outlet terminal protective sleeve, the voltage inlet and outlet terminal protective sleeve and the test terminal protective sleeve are integrally formed or fixedly connected with the bottom shell; the height of the test terminal is higher than that of the current inlet and outlet terminal, the voltage inlet and outlet terminal and the test terminal, and is lower than the top surface of the bottom shell.
Preferably, a voltage short-circuit terminal and a current short-circuit terminal fixing hole are further formed in the groove body of the bottom shell.
Preferably, the bottom of upper cover still is equipped with a plurality of mistake proofing position blocks, mistake proofing position block can with voltage short circuit terminal short circuit connection piece and the crimping of electric current short circuit terminal short circuit connection piece.
Preferably, the anti-dislocation block has a T-shaped structure.
Preferably, a rectangular sealing plate made of transparent materials is further arranged above the groove body of the bottom shell, and a waist-shaped through hole and a T-shaped through hole are formed in the sealing plate.
Preferably, the upper cover is detachably connected with the bottom shell through a bolt; and the top of the upper cover is also provided with a lead sealing hole position.
The utility model has the advantages that:
operating personnel is when uniting the terminal box operation to the electric energy measurement, the utility model discloses a terminal protective sheath effectively carries out the separation, has improved the security that the terminal box was united in the electric energy measurement, can avoid operating personnel maloperation simultaneously, and touching electric current business turn over terminal, voltage business turn over terminal and test terminal prevent the emergence of potential safety hazard.
Drawings
Fig. 1 and fig. 2 are schematic diagrams of the overall structure of the present invention when the voltage input/output terminal has one input and one output and one input and three outputs;
fig. 3 and 4 are schematic top surface structures of the bottom case of the present invention when the voltage input/output terminal has one input and one output and one input and three outputs;
fig. 5 and 6 are schematic structural views of the upper cover of the present invention.
Fig. 7 and 8 are schematic structural views of the sealing plate of the present invention.
In the figures 1-7, 1-bottom shell, 2-upper cover, 3-current inlet and outlet terminal protective sleeve, 4-voltage inlet and outlet terminal protective sleeve, 5-test terminal protective sleeve, 6-voltage short-circuit terminal and current short-circuit terminal fixing hole, 7-dislocation preventing block, 8-lead sealing hole position and 9-sealing plate.
Detailed Description
The technical solution in the embodiments of the present invention will be clear and fully described below with reference to the accompanying drawings of the embodiments of the present invention. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without any creative effort belong to the protection scope of the present invention.
As shown in fig. 1-4, the utility model relates to a terminal box is united in electric energy measurement of taking terminal protective sheath to three-phase four-wire electric energy measurement is united the terminal box for the example, certainly the utility model discloses not only be limited to three-phase four-wire electric energy measurement and unite the terminal box, also can be the electric energy measurement of other forms and unite the terminal box. The electric energy metering combined junction box comprises a bottom shell 1 and an upper cover 2 capable of covering the bottom shell 1. The upper cover 2 is provided with a through hole, the bottom shell 1 is provided with a threaded hole, and the upper cover 2 is detachably connected with the bottom shell 1 through a bolt. In addition, in order to facilitate customs seal, business check seal or business seal, a lead seal hole 8 is further formed in the top of the upper cover 2.
The bottom shell 1 is of a groove body structure, and a plurality of groups of electric energy metering positions of a current inlet and outlet terminal, a voltage inlet and outlet terminal and a test terminal are arranged in the groove body; the electric energy metering position of the voltage inlet and outlet terminal can be in the form of one inlet and one outlet, one inlet and two outlets, one inlet and three outlets or one inlet and multiple outlets. And the electric energy metering positions of the current inlet and outlet terminal, the voltage inlet and outlet terminal and the test terminal are also fixedly provided with a current inlet and outlet terminal protective sleeve 3, a voltage inlet and outlet terminal protective sleeve 4 and a test terminal protective sleeve 5 which are of hollow cylinder structures. When operating personnel is operating the joint terminal box of electric energy measurement, can effectively carry out the separation through the terminal protective sheath, improve the security that this joint terminal box of electric energy measurement used, can avoid operating personnel maloperation simultaneously, touching electric current business turn over terminal, voltage business turn over terminal and test terminal, prevent the emergence of potential safety hazard.
Current business turn over terminal protective sheath 3, voltage business turn over terminal protective sheath 4 and test terminal protective sheath 5 are multiple with the connected mode of drain pan 1, and current business turn over terminal protective sheath 3, voltage business turn over terminal protective sheath 4 and test terminal protective sheath 5 can with drain pan 1 integrated into one piece, also fixable connection. Because the terminal protective sheath can play the guard action while, still need to satisfy upper cover 2 and can close on drain pan 1. It is preferably higher than the current inlet and outlet terminals, the voltage inlet and outlet terminals, and the test terminal, and lower than the top surface of the bottom case 1.
In order to meet the three-phase active and reactive electric energy metering combined wiring, a voltage short-circuit terminal and a current short-circuit terminal fixing hole 6 are further formed in the groove body of the bottom shell 1. In addition, as shown in fig. 5-6, the bottom of the upper cover 2 is further provided with a plurality of anti-dislocation blocks 7, and the anti-dislocation blocks 7 can be abutted to the voltage short-circuit terminal short-circuit tabs and the current short-circuit terminal short-circuit tabs to prevent the voltage short-circuit terminal short-circuit tabs and the current short-circuit terminal short-circuit tabs from being dislocated. The anti-dislocation block 7 is preferably of a T-shaped structure, the upper end of the T shape faces the short splicing sheet, and the strength of the matched anti-dislocation block 7 is ensured on the premise that the T-shaped structure is adopted to ensure normal use.
Under the prerequisite that is equipped with the terminal protective sheath and carries out the separation protection, in order to further improve the security. A rectangular sealing plate 9 made of transparent materials can be additionally arranged above the groove body of the bottom shell 1, the specific structure of the sealing plate 9 is shown in fig. 7-8, and the sealing plate 9 is located above the groove body of the bottom shell, so that an isolation effect is further achieved, and the safety is improved. The closing plate 9 is provided with through holes which are respectively positioned above the corresponding fixing hole positions of the voltage cut-off screw and the voltage jack, the current short-circuit terminal and the current jack and are used for matching the voltage cut-off screw, the current short-circuit terminal and the anti-dislocation block 7 and obtaining voltage and current signals.
Claims (7)
1. The utility model provides a terminal box is united in electric energy measurement of taking terminal protective sheath which characterized in that: the electric energy metering combined junction box comprises a bottom shell and an upper cover capable of covering the bottom shell; the bottom shell is of a groove body structure, and a plurality of groups of electric energy metering positions of a current inlet and outlet terminal, a voltage inlet and outlet terminal and a test terminal are arranged in the groove body; and the electric energy metering positions of the current inlet and outlet terminal, the voltage inlet and outlet terminal and the test terminal are also fixedly provided with a current inlet and outlet terminal protective sleeve, a voltage inlet and outlet terminal protective sleeve and a test terminal protective sleeve which are of hollow cylinder structures.
2. The electric energy metering combination junction box of claim 1, wherein: the current inlet and outlet terminal protective sleeve, the voltage inlet and outlet terminal protective sleeve and the test terminal protective sleeve are integrally formed or fixedly connected with the bottom shell; the height of the test terminal is higher than that of the current inlet and outlet terminal, the voltage inlet and outlet terminal and the test terminal, and is lower than the top surface of the bottom shell.
3. The electric energy metering combination junction box of claim 1, wherein: and a voltage short-circuit terminal and a current short-circuit terminal fixing hole are also formed in the groove body of the bottom shell.
4. The electric energy metering junction box of claim 3, wherein: the bottom of upper cover still is equipped with a plurality of mistake proofing position blocks, mistake proofing position block can with voltage short circuit terminal short connection piece and electric current short circuit terminal short connection piece butt.
5. The electric energy metering combination junction box of claim 4, wherein: the dislocation preventing block is of a T-shaped structure.
6. The electric energy metering combination junction box of claim 4, wherein: a rectangular sealing plate made of transparent materials is further arranged above the groove body of the bottom shell, and a waist-shaped through hole and a T-shaped through hole are formed in the sealing plate.
7. The electric energy metering combination junction box of claim 1, wherein: the upper cover is detachably connected with the bottom shell through bolts; and the top of the upper cover is also provided with a lead sealing hole position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022452405.2U CN213875797U (en) | 2020-10-29 | 2020-10-29 | Electric energy metering combined junction box with terminal protective sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022452405.2U CN213875797U (en) | 2020-10-29 | 2020-10-29 | Electric energy metering combined junction box with terminal protective sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213875797U true CN213875797U (en) | 2021-08-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022452405.2U Active CN213875797U (en) | 2020-10-29 | 2020-10-29 | Electric energy metering combined junction box with terminal protective sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213875797U (en) |
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2020
- 2020-10-29 CN CN202022452405.2U patent/CN213875797U/en active Active
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