CN213990479U - Portable power box for electrical test work - Google Patents
Portable power box for electrical test work Download PDFInfo
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- CN213990479U CN213990479U CN202120027483.XU CN202120027483U CN213990479U CN 213990479 U CN213990479 U CN 213990479U CN 202120027483 U CN202120027483 U CN 202120027483U CN 213990479 U CN213990479 U CN 213990479U
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- 230000001012 protector Effects 0.000 claims abstract description 55
- 230000005611 electricity Effects 0.000 claims description 10
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 238000010248 power generation Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model belongs to the technical field of electric power, in particular to a portable power supply box for electrical test work, which is provided with a pull rod, a box body and a box cover, wherein the box body is composed of a box main body, four corners at the bottom of the box main body are respectively provided with a universal wheel, the pull rod is fixed at the back of the box body, the box main body is provided with a strip-shaped wire outlet below the front surface, a drum is arranged below the inside, a cable is wound on the drum, a power supply panel is arranged above the drum, an overcurrent protector, an overvoltage and undervoltage protector, a knife switch, a leakage protector and at least one socket are sequentially connected on the power supply panel in series, the panel is fixed with the box body, one end of the cable is connected with the overcurrent protector and extends out of the box main body through the wire outlet, the other end of the cable is connected with a plug, a limit ball is also fixed on the cable at the back of the plug, the utility model has simple structure, the transportation and the use are convenient and safe, and the plug can not be damaged or loosened during the transportation.
Description
Technical Field
The utility model belongs to the technical field of electric power, especially, relate to a portable power supply box for electric test work.
Background
When the field work is carried out, various equipment is needed, the equipment is often required to be connected with electricity, but the power line of the equipment cannot be connected with electricity due to the limitation of the length and the field place, and the help of a portable power box is needed at this moment.
In the prior art, as CN205319563U discloses a portable maintenance power supply box, including box, power drum, circuit board and earth-leakage protector, install the case lid on the box, the panel is installed through the loose-leaf in the upper portion of box, and power drum, circuit board and earth-leakage protector are installed to the panel below, install power drum rocking handle and pull rod respectively in the outside adjacent both sides of box, have seted up the power drum outlet on the box, install two universal wheels at least at the bottom half, and the universal wheel passes through the installation pedestal mounting on the box, the universal wheel includes the wheel.
The above prior art has the following disadvantages: 1. when a power generation power supply is connected, an electric instrument is easily damaged due to unstable voltage; 2. whether the power panel is in an overload working state or not cannot be judged, so that the knife switch and the cable are heated due to overlarge load, and a fire disaster is caused.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problems, the present invention discloses a portable power box for electrical test work, which is realized by the following technical solution.
A portable power box for electrical test work has a pull rod, a box body and a box cover, the right sides of the box body and the box cover are connected through a hinge, the left sides of the box body and the box cover are provided with a lock catch, the box body is composed of a box main body, four corners at the bottom of the box main body are respectively provided with a universal wheel, the pull rod is fixed at the back of the box body, the portable power box is characterized in that a strip-shaped wire outlet is formed below the front side of the box main body, an electric drum shaft is arranged below the inside of the portable power box, an electric drum is sleeved on the electric drum shaft and is an automatic telescopic wire winder with a self-locking function, a cable is wound on the electric drum, a power panel is arranged above the electric drum and consists of a panel, an overcurrent protector, an overvoltage and undervoltage protector, a knife switch, a leakage protector and at least one socket are sequentially connected in series on the panel, an electrifying indicator lamp, the electrifying indicator lamp and the socket are connected in parallel, when two or more than two sockets are arranged, all the sockets are connected in parallel, the panel is fixed at the upper ends of the four supports through fixing screws, the lower ends of the supports are fixed with the box body through the cross beam, one end of the cable is connected with the overcurrent protector and extends out of the box body through the wire outlet, the other end of the cable is connected with a plug, a limiting ball is further fixed on the cable behind the plug, and the diameter of the limiting ball is larger than the width of the wire outlet.
The portable power box for electrical test work is characterized in that the side wall of the box body above the outlet is also provided with an insert fixer, a limiting block is arranged below the insert fixer, and the insert fixer is also provided with a plurality of holes corresponding to the pins of the insert.
Above-mentioned a portable power supply box for electrical test work, through set up an insert fixer on case main part lateral wall, can the fixed plug, prevent when carrying the power supply box, rock the striking and fall into that the plug shell damages or the internal connection head is not hard up, lead to incident and equipment to damage, insert fixer below still is equipped with a stopper, can fix the cable that stretches out in case main part, can prevent when carrying the power supply box, stretch out in case main part's cable and hang other things, cause the plug to damage.
The portable power box for electrical test work is characterized in that the panel is further provided with a grounding pile.
The portable power box for electrical test work is characterized in that the box body and the box cover are made of stainless steel.
The portable power box for electrical test work is characterized in that the pull rod is a telescopic pull rod.
The portable power box for electrical test work is characterized in that the cable is a three-core cable.
The portable power box for electrical test work is characterized in that the length range of the cable is 50-100 meters.
The portable power box for electrical test work is characterized in that the overvoltage and undervoltage protector is a digital display overvoltage and undervoltage protector.
The portable power box for electrical test work is characterized in that the overcurrent protector is an overcurrent protector with a digital display.
In the portable power box for electrical test work, the overvoltage/undervoltage protector and the overcurrent protector can adopt the common market protectors meeting the current and voltage limiting requirements.
The portable power box for electrical test work is characterized in that the plug is a three-pin plug.
The utility model avoids the problem of damage to the electricity utilization instrument caused by unstable voltage when using the power generation power supply by using the over-voltage and under-voltage protector; the safety of test workers is guaranteed by arranging the leakage protector; by using the overcurrent protector, whether the power panel is in an overload working state or not can be judged in time, so that the phenomena that the disconnecting link cable with an overlarge load generates heat and a fire disaster is caused are avoided; by arranging the automatic telescopic winder with the self-locking function, the cable can be conveniently wound, and the working efficiency of constructors is improved; the pull rod and the universal wheel are arranged, so that the power box is convenient to carry; through setting up spacing ball, make the plug be in outside the box always, make things convenient for the connection of plug and external power source.
Therefore, the utility model has the advantages of simple structure, transportation, convenient to use, safety, the plug can not damage during the transport, not hard up.
Drawings
Fig. 1 is a front view of embodiment 1 of the present invention.
Fig. 2 is a front view of embodiment 2 of the present invention.
Fig. 3 is a schematic view of the internal structure of the present invention.
Fig. 4 is a schematic diagram of the structure of the power panel of the present invention.
Fig. 5 is a schematic diagram of the power panel wiring of the present invention.
In the figure: 1. the pull rod, the box body, the box cover, the hinge, the lock catch, the box body, the plug fixing device, the plug fixing block, the limiting block, the wire outlet, the universal wheel, the limiting ball, the cable, the plug, the power panel, the overcurrent protector, the undervoltage protector, the knife switch, the leakage protector, the current leakage protector, the power-on indicator, the socket, the grounding pile, the fixing screw, the electric drum shaft, the support, the power supply, the universal wheel, the limiting ball, the cable, the plug, the power panel, the overcurrent protector, the undervoltage protector, the knife switch, the leakage protector, the power-on indicator, the socket, the grounding pile, the fixing screw, the electric drum shaft, and the support, are arranged in the pull rod, the box body and the box body, the plug fixing device, the plug, the panel, the power supply, the switch, the supply, the power supply.
Detailed Description
Example 1
Referring to fig. 1, 3, 4 and 5, a portable power box for electrical test work comprises a pull rod 1, a box body 2 and a box cover 21, wherein the right sides of the box body 2 and the box cover 21 are connected through a hinge 22, the left sides of the box body 2 and the box cover 21 are provided with a lock 23, the box body 2 is composed of a box main body 24, four corners of the bottom of the box main body 24 are respectively provided with a universal wheel 28, the pull rod 1 is fixed on the back side of the box body 2, the portable power box is characterized in that a strip-shaped outlet 27 is formed below the front side of the box main body 24, an electric drum shaft 71 is arranged below the box main body, an electric drum 7 is sleeved on the electric drum shaft 71, the electric drum 7 is an automatic telescopic reel with a self-locking function, a cable 4 is wound on the electric drum 7, a power panel 6 is arranged above the electric drum 7, the power panel 6 is composed of a panel 61, an overcurrent protector 62 and an overvoltage protector 63 and an undervoltage protector 63 are sequentially connected in series on the panel 61, The switch 64, the earth leakage protector 65 and at least one socket 67, still have a circular telegram pilot lamp 66 on the panel 61, circular telegram pilot lamp 66 is parallelly connected with socket 67, and when having two or more than two socket 67, all sockets 67 are parallelly connected, and panel 61 is fixed in the upper end of four supports 8 through set screw 69, and the support 8 lower extreme is fixed with box 2 through the crossbeam, the one end of cable 4 meets with overcurrent protector 62 to stretch out box main part 24 through outlet 27, and the cable 4 other end is connected with a plug 5, still is fixed with a spacing ball 3 on the cable 4 behind plug 5, and the diameter of spacing ball 3 is greater than the width of outlet 27.
Example 2
Referring to fig. 2, 3, 4 and 5, a portable power box for electrical test work comprises a pull rod 1, a box body 2 and a box cover 21, wherein the right sides of the box body 2 and the box cover 21 are connected through a hinge 22, the left sides of the box body 2 and the box cover 21 are provided with a lock catch 23, the box body 2 is composed of a box main body 24, four corners of the bottom of the box main body 24 are respectively provided with a universal wheel 28, the pull rod 1 is fixed on the back side of the box body 2, the portable power box is characterized in that a strip-shaped outlet 27 is formed below the front side of the box main body 24, an electric drum shaft 71 is arranged below the box main body, an electric drum 7 is sleeved on the electric drum shaft 71, the electric drum 7 is an automatic telescopic reel with a self-locking function, a cable 4 is wound on the electric drum 7, a power panel 6 is arranged above the electric drum 7, the power panel 6 is composed of a panel 61, an overcurrent protector 62 and an overvoltage protector 63 and an undervoltage protector 63 are sequentially connected in series on the panel 61, A knife switch 64, a leakage protector 65 and at least one socket 67, wherein the panel 61 is also provided with a power-on indicator lamp 66, the power-on indicator lamp 66 is connected with the socket 67 in parallel, when two or more than two sockets 67 are provided, all the sockets 67 are connected in parallel, the panel 61 is fixed at the upper ends of four brackets 8 through fixing screws 69, the lower ends of the brackets 8 are fixed with the box body 2 through a cross beam, one end of the cable 4 is connected with the overcurrent protector 62, and extends out of the box main body 24 through a wire outlet 27, the other end of the cable 4 is connected with a plug 5, a limiting ball 3 is fixed on the cable 4 behind the plug 5, the diameter of the limiting ball 3 is larger than the width of the wire outlet 27, an insert holder 25 is further provided on the side wall of the box main body 24 above the outlet 27, a limit block 26 is further disposed below the plug holder 25, and the plug holder 25 further forms a plurality of holes corresponding to the pins of the plug 5.
According to the portable power box for electrical test work, the plug fixing device 25 is arranged on the side wall of the box main body 24, the plug 5 can be fixed, the situation that safety accidents and equipment damage are caused due to the fact that the shell of the plug 5 is damaged or an internal connector is loosened when the power box is carried due to shaking and impacting is avoided, the limiting block 26 is further arranged below the plug fixing device 25, the cable 4 extending out of the box main body 24 can be fixed, and the situation that the cable 4 extending out of the box main body 24 is hung on other objects to cause damage to the plug 5 when the power box is carried can be avoided.
The portable power box for electrical test work in any embodiment is characterized in that the panel 61 is further provided with a grounding pile 68.
The portable power supply box for electrical test work in any embodiment is characterized in that the box body 2 and the box cover 21 are made of stainless steel.
The portable power box for electrical test work in any embodiment is characterized in that the pull rod 1 is a telescopic pull rod.
The portable power box for electrical test work in any embodiment is characterized in that the cable is a three-core cable.
A portable power supply case for electrical test work as in any of the above embodiments, wherein the cable length is in the range of 50 to 100 meters.
The portable power box for electrical test work in any embodiment is characterized in that the overvoltage and undervoltage protector 63 is an overvoltage and undervoltage protector with a digital display.
The portable power box for electrical test work in any embodiment is characterized in that the overcurrent protector 62 is an overcurrent protector with a digital display.
In the portable power box for electrical test work, the overvoltage/undervoltage protector and the overcurrent protector can adopt the common market protectors meeting the current and voltage limiting requirements.
The portable power box for electrical test work in any embodiment is characterized in that the plug 5 is a three-pin plug.
The utility model avoids the problem of damage to the electricity utilization instrument caused by unstable voltage when using the power generation power supply by using the over-voltage and under-voltage protector; the safety of test workers is guaranteed by arranging the leakage protector; by using the overcurrent protector, whether the power panel is in an overload working state or not can be judged in time, so that the phenomena that the disconnecting link cable with an overlarge load generates heat and a fire disaster is caused are avoided; by arranging the automatic telescopic winder with the self-locking function, the cable can be conveniently wound, and the working efficiency of constructors is improved; the pull rod and the universal wheel are arranged, so that the power box is convenient to carry; through setting up spacing ball, make the plug be in outside the box always, make things convenient for the connection of plug and external power source.
The utility model solves the problem that the power consumption instrument is easy to be damaged due to unstable voltage when the power generation power supply is connected in the prior art; whether the power panel is in an overload working state or not cannot be judged, so that the problems that the disconnecting link cable is heated and a fire disaster occurs due to overload can be caused.
The above-mentioned embodiments are merely preferred technical solutions of the present invention, and should not be construed as limitations of the present invention. The protection scope of the present invention shall be defined by the claims and the technical solutions described in the claims, including the technical features of the equivalent alternatives as the protection scope. Namely, equivalent alterations and modifications within the scope of the invention are also within the scope of the invention.
Claims (10)
1. A portable power supply box for electrical test work has pull rod (1), box (2) and case lid (21), the right side of box (2) and case lid (21) is passed through hinge (22) and is connected, and the left side of box (2) and case lid (21) is equipped with hasp (23), box (2) comprises case main part (24), and four angles in case main part (24) bottom respectively are equipped with a universal wheel (28), and pull rod (1) is fixed in the box (2) back, its characterized in that, case main part (24) openly below becomes a long banding outlet (27), and the inside below is equipped with an electricity drum axle (71), and the cover has an electricity drum (7) on electricity drum axle (71), electricity drum (7) are the automatic telescopic winder of taking self-locking function, and it has cable (4) to coil on electricity drum (7), and electricity drum (7) top is equipped with a power pack (6), the power panel (6) is composed of a panel (61), an overcurrent protector (62), an overvoltage and undervoltage protector (63), a disconnecting link (64), a leakage protector (65) and at least one socket (67) are sequentially connected on the panel (61) in series, a power-on indicator lamp (66) and the socket (67) are connected in parallel on the panel (61), when two or more sockets (67) are arranged, all the sockets (67) are connected in parallel, the panel (61) is fixed at the upper ends of four supports (8) through fixing screws (69), the lower ends of the supports (8) are fixed with the box body (2) through a cross beam, one end of the cable (4) is connected with the overcurrent protector (62) and extends out of the box body (24) through a wire outlet (27), the other end of the cable (4) is connected with a plug (5), a limiting ball (3) is further fixed on the cable (4) behind the plug (5), the diameter of the limiting ball (3) is larger than the width of the wire outlet (27).
2. A portable power supply box for electrical test work according to claim 1, wherein an insert holder (25) is further provided on a side wall of the box main body (24) above the outlet (27), a stopper (26) is further provided below the insert holder (25), and the insert holder (25) further forms a plurality of holes corresponding to the pins of the insert (5).
3. A portable power supply case for electrical test work according to claim 1 or claim 2, characterized in that the panel (61) is further provided with a grounding peg (68).
4. A portable power supply box for electrical test work according to claim 3, characterized in that the box body (2) and the box cover (21) are made of stainless steel.
5. A portable power supply case for electrical test work according to claim 4, characterized in that the pull rod (1) is a telescopic pull rod.
6. A portable power supply case for electrical testing operations as claimed in claim 5, wherein said cable is a three-wire cable.
7. A portable power supply case for electrical test work according to claim 6, wherein the length of the cable is in the range of 50 to 100 meters.
8. The portable power supply box for electrical test operation as claimed in claim 7, wherein the overvoltage and undervoltage protector (63) is a digital display overvoltage and undervoltage protector.
9. The portable power supply box for electrical test work of claim 8, wherein the over-current protector (62) is a digital display over-current protector.
10. A portable power supply box for electrical test work according to claim 9, characterized in that said plug (5) is a three-pin plug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120027483.XU CN213990479U (en) | 2021-01-05 | 2021-01-05 | Portable power box for electrical test work |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120027483.XU CN213990479U (en) | 2021-01-05 | 2021-01-05 | Portable power box for electrical test work |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213990479U true CN213990479U (en) | 2021-08-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120027483.XU Active CN213990479U (en) | 2021-01-05 | 2021-01-05 | Portable power box for electrical test work |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213990479U (en) |
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2021
- 2021-01-05 CN CN202120027483.XU patent/CN213990479U/en active Active
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