CN214643204U - Combined inner hexagon and screwdriver set with alternating current-direct current electricity testing function - Google Patents
Combined inner hexagon and screwdriver set with alternating current-direct current electricity testing function Download PDFInfo
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- CN214643204U CN214643204U CN202120579541.XU CN202120579541U CN214643204U CN 214643204 U CN214643204 U CN 214643204U CN 202120579541 U CN202120579541 U CN 202120579541U CN 214643204 U CN214643204 U CN 214643204U
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Abstract
The utility model discloses a combined inner hexagon and screwdriver set with AC/DC electricity testing function, which comprises a handle, wherein one end of the handle is provided with a hand contact electrode and a battery switch, and the other end of the handle is provided with a butt joint groove which is matched with an end mechanism in a splicing way; the handle embeds there is the battery and tests electric integrated device, and the handle surface is connected with tests electric banks, tests electric banks and battery and tests electric integrated device electric connection. The device has solved that current electroscopic equipment operation step is loaded down with trivial details and sequence nature is strong, causes the electric shock problem easily, and the commonality is relatively poor, can't adapt to the problem of multiple type bolt, has simple structure, uses convenient, and the security is strong, the better characteristics of commonality.
Description
Technical Field
The utility model belongs to electrical operation instrument field, in particular to have an alternating current-direct current tests electric function combination allen key, bottle opener suit.
Background
At present, in the work of electric power systems of various power plants and power grids, electric work is carried out in a temporary electricity utilization distribution box and an electric panel cabinet very frequently, electricity is tested before work, a general operation method is that electricity is tested through an electricity testing pen or a universal meter, after electricity is confirmed, the fact that the electricity is alternating current or direct current positive or negative needs to be further judged sometimes, then a power line is disconnected through replacing an inner hexagon or a screwdriver, and the work has certain sequence and safety requirements.
At present, the work of temporarily using the live wire bolts for the power distribution box and the electric panel cabinet to be disconnected has the following risks: the working process has the defects of insufficient experience or carelessness of personnel, and the direct work without electricity test results in the risks of electric shock of the personnel and short circuit of equipment. At present, bolts for connecting live wires in the temporary power distribution box and the electric panel cabinet in an idle-disconnecting mode are generally divided into a straight line, a cross and an inner hexagon, the bolts are different in size and inconvenient to carry tools, workers can return to a warehouse to take the tools easily, and time is delayed; the tool taking is not recorded, the number of tools and instruments is forgotten after the tool taking is too many and complicated, and the risk of leaving the tools on the working site is increased. And the common screw driver and the inner hexagon do not have the electricity testing function, so that an accidental call exists, and a worker is not informed in time to cause the risk of electric shock.
At present, a straight screwdriver, a cross screwdriver and an inner hexagon combined tool which can test alternating current and direct current, can meet the field requirement, can be flexibly matched and can be directly disassembled and assembled is lacked in the power industry. When the circuit is disconnected, even if an unexpected call comes, the working personnel can be prompted at the first time, and accidents are prevented.
Disclosure of Invention
The utility model aims to solve the technical problem that a have the alternating current-direct current test electric function combination allen key, bottle opener suit, the device has solved current test electrical equipment operation step loaded down with trivial details and sequence nature strong, causes the problem of electrocuteeing easily, and the commonality is relatively poor, the problem of multiple type bolt of unable adaptation has simple structure, uses conveniently, and the security is strong, the better characteristics of commonality.
In order to solve the technical problem, the utility model discloses the technical scheme who adopts is: a combined inner hexagon and screwdriver set with an alternating current and direct current electricity testing function comprises a handle, wherein one end of the handle is provided with a hand contact electrode and a battery switch, and the other end of the handle is provided with a butt joint groove which is in plug-in fit with an end mechanism; the handle embeds there is the battery and tests electric integrated device, and the handle surface is connected with tests electric banks, tests electric banks and battery and tests electric integrated device electric connection.
Preferably, the end mechanism comprises a body rod, one end of the body rod is connected with a butt joint raised head which is matched with the butt joint groove in an inserting mode, the other end of the body rod is connected with a contact head, and the contact head is a linear raised head or a cross raised head or a hexagon socket head.
Further, the contacts may comprise a plurality of different sized contacts.
Preferably, the terminal mechanism is an electrically conductive terminal mechanism, and an electrically conductive path is formed from the contact to the docking nose and the electroscopic integrated device.
Preferably, the outer surface of the shaft is coated with an insulating layer.
Preferably, the butt joint groove and the butt joint raised head are both polygonal structures; the inner wall of the butt joint groove is provided with a limiting groove.
Preferably, the outer surface of the butt joint raised head is provided with a groove, and a limiting pin is connected in the groove through a disc spring and is in inserted fit with the limiting groove.
Preferably, one end of the inner wall of the limiting groove facing the outside of the handle is slidably connected with a pin withdrawing rod in contact fit with the limiting pin.
Preferably, the electroscope group comprises a first electroscope lamp and a second electroscope lamp; the first electroscope lamp and the second electroscope lamp are light emitting diodes with different colors.
Preferably, the first electroscope lamp is preferably an electroscope red lamp, and the second electroscope lamp is preferably an electroscope green lamp; the handle is made of insulating materials.
Preferably, the electroscopic integrated device comprises a voltage sampling loop, a voltage comparison loop and an output display loop.
Furthermore, the voltage sampling loop comprises a voltage dividing resistor R voltage dividing and collecting resistor R collecting, one end of the R voltage dividing is connected with the contact, and the other end of the R voltage dividing is connected with an IN 1-pin of the R collecting and voltage comparing loop U0; the other end of the R acquisition is connected with a hand touch electrode; an OUT1 pin of the voltage comparison circuit U0 is connected with an N pole of an electroscopic red lamp, an OUT2 pin is connected with an N pole of an electroscopic green lamp, and an IN1+ pin, a VS-pin and an IN 2-pin are connected with a hand contact electrode and a battery cathode; the VS + pin is connected with the positive electrode of the battery, the output display loop consists of an R current-limiting 2 connected with the P electrode of the electroscopic red lamp and an R current-limiting 1 connected with the P electrode of the electroscopic green lamp, and the other ends of the R current-limiting 1 and the R current-limiting 2 are connected with the positive electrode of the battery.
The utility model has the advantages that:
1, the prior common inner hexagon and screwdriver only have the functions of fastening and disassembling a single bolt and do not have the function of detecting AC and DC electricity simultaneously; the novel tool is also combined and sleeved, can meet the requirements of fastening and disassembling wire crimping bolts on most fields, can detect alternating current and direct current, has multiple functions and is convenient for power work;
2, this novel suit, at electric power working process, can the very first time inform the staff to have or not electrocute risk. The risk of electric shock caused by the fact that workers are lack of experience or careless and forget to test electricity before working is greatly reduced;
3, when the wire bolt is fastened and disassembled, even if the power is suddenly supplied, the worker can be informed in the first time, and the life safety of the worker is ensured.
Drawings
FIG. 1 is a schematic structural view of the handle of the present invention;
fig. 2 is a schematic structural view of the middle end mechanism of the present invention;
fig. 3 is a schematic circuit connection diagram of the middle test electricity integration apparatus of the present invention;
the reference numbers in the figures are: the electric power testing device comprises a handle 1, a hand contact electrode 2, a battery switch 3, a battery 4, a first testing lamp 5, a second testing lamp 6, an electric power testing integrated device 7, a butt joint groove 8, a pin withdrawing rod 9, a limiting groove 10, a butt joint raised head 11, a disc spring 12, a limiting pin 13, a body rod 14, a straight start head 21, a cross start head 22 and a hexagon socket head 23.
Detailed Description
As shown in fig. 1-3, a combined socket cap and screwdriver set with an ac/dc electricity testing function comprises a handle 1, wherein one end of the handle 1 is provided with a hand contact electrode 2 and a battery switch 3, and the other end of the handle 1 is provided with a butt joint groove 8 for being in plug-in fit with an end mechanism; the handle 1 embeds there are battery 4 and test electric integrated device 7, and handle 1 surface is connected with tests electric banks, tests electric banks and battery 4 and test electric integrated device 7 electric connection.
Preferably, the end mechanism comprises a body rod 14, one end of the body rod 14 is connected with a butt joint raised head 11 which is matched with the butt joint groove 8 in an inserting mode, and the other end of the body rod 14 is connected with a contact which is a straight raised head 21 or a cross raised head 22 or a hexagon socket head 23.
Further, the contacts may comprise a plurality of different sized contacts.
Preferably, the terminal mechanism is an electrically conductive terminal mechanism, and an electrically conductive path is formed from the contact to the docking nose 11 and the electroscopic integration device 7.
Preferably, the outer surface of the shaft 14 is coated with an insulating layer.
Preferably, the docking recess 8 and the docking nose 11 are both polygonal in configuration; the inner wall of the butt joint groove 8 is provided with a limiting groove 10.
Preferably, the outer surface of the butt joint raised head 11 is provided with a groove, and a limit pin 13 is connected in the groove through a disc spring 12 and is in plug fit with the limit groove 10.
Preferably, one end of the inner wall of the limit groove 10 facing the outside of the handle 1 is slidably connected with a pin-withdrawing rod 9 in contact fit with the limit pin 13.
Preferably, the electroscope group comprises a first electroscope lamp 5 and a second electroscope lamp 6; the first and second lamps 5 and 6 are light emitting diodes of different colors.
Preferably, the first electroscope lamp 5 is preferably an electroscopic red lamp, and the second electroscope lamp 6 is preferably an electroscopic green lamp; the handle 1 is made of insulating materials.
Preferably, the electroscopic integrated device 7 comprises a voltage sampling loop, a voltage comparison loop and an output display loop.
Furthermore, the voltage sampling loop comprises a voltage dividing resistor R voltage dividing and collecting resistor R collecting, one end of the R voltage dividing is connected with the contact, and the other end of the R voltage dividing is connected with an IN 1-pin of the R collecting and voltage comparing loop U0; the other end of the R acquisition is connected with the hand touch electrode 2; an OUT1 pin of the voltage comparison circuit U0 is connected with an N pole of an electroscopic red lamp, an OUT2 pin is connected with an N pole of an electroscopic green lamp, and an IN1+ pin, a VS-pin and an IN 2-pin are connected with the hand touch electrode 2 and the negative pole of the battery 4; the VS + pin is connected with the positive pole of the battery 4, the output display loop consists of an R current-limiting 2 connected with the P pole of the electroscopic red lamp and an R current-limiting 1 connected with the P pole of the electroscopic green lamp, and the other ends of the R current-limiting 1 and the R current-limiting 2 are connected with the positive pole of the battery 4.
The working principle of the combined inner hexagon and screwdriver set with the alternating current and direct current electricity testing function is as follows:
when the contact of the electroscope pen contacts the positive pole of the direct-current power supply, the potential of the No. 1 voltage comparator IN1+ is less than the potential of the IN1-, the OUT1 output is low potential, the electroscope red light is lightened, the potential of the No. 2 voltage comparator IN2+ is greater than the potential of the IN2-, the 0UT2 output is high potential, and the electroscope green light is kept off; when the negative potential is tested, the potential of the No. 1 voltage comparator IN1+ is greater than the potential of the IN1-, the output of OUT1 is high potential, the electroscopic red light is kept off, the potential of the No. 2 voltage comparator IN2+ is less than the potential of the IN2-, the output of 0UT2 is low potential, and the electroscopic green light is lightened. When alternating current is tested, the 2 voltage comparators output low potentials alternately, and the two light-emitting diodes are lighted alternately. Due to the persistence of vision, two LEDs are seen to be on, and a red light and a green light are seen to be on; the determination results are as follows:
1, if the electroscopic red light is on and the electroscopic green light is not on, indicating that the circuit has direct current and is the anode of a direct current power supply; 2, if the electroscopic red light is not on and the electroscopic green light is on, indicating that the circuit has direct current and is the cathode of the direct current power supply; 3, if the electroscopic red light is on and the electroscopic green light is on, the circuit is indicated to have alternating current and is an alternating current power supply live wire; and 4, if the electroscopic red light is not on and the electroscopic green light is not on, the circuit is indicated to have no alternating current and direct current.
The worker can select the hexagon socket head 23, the straight start head 21 and the cross start head 22 with proper sizes according to the type and size requirements of the on-site electric wire disconnecting and connecting bolt, and the complete hexagon socket, the straight screwdriver or the cross screwdriver is assembled for operation.
When an electrician works, if the traffic light is on, the power supply air-open bolt has alternating current and direct current, so that the worker is reminded; even if the work process suddenly comes in, the traffic light is lightened to remind the operator that the line has electricity, and the life safety of the operator is ensured.
The above embodiments are merely preferred technical solutions of the present invention, and should not be considered as limitations of the present invention, and the features in the embodiments and the examples in the present application may be arbitrarily combined with each other without conflict. 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 (9)
1. The utility model provides a have that alternating current-direct current tests electric function combination allen key, bottle opener suit which characterized in that: the electric hand-held device comprises a handle (1), wherein one end of the handle (1) is provided with a hand-touch electrode (2) and a battery switch (3), and the other end of the handle (1) is provided with a butt joint groove (8) which is matched with an end mechanism in an inserting way; the handle (1) is internally provided with a battery (4) and an electricity testing integrated device (7), the outer surface of the handle (1) is connected with an electricity testing lamp set, and the electricity testing lamp set is electrically connected with the battery (4) and the electricity testing integrated device (7).
2. The combined inner hexagon and screwdriver set with the AC/DC electricity testing function of claim 1, wherein: the end mechanism comprises a body rod (14), one end of the body rod (14) is connected with a butt joint raised head (11) to be matched with the butt joint groove (8) in an inserting mode, the other end of the body rod is connected with a contact, and the contact is a straight raised head (21), a cross raised head (22) or an inner hexagon head (23).
3. The combined inner hexagon and screwdriver set with the alternating current and direct current electricity testing function of claim 2, wherein the combined inner hexagon and screwdriver set comprises: the end mechanism is a conductive end mechanism, and a conductive path is formed from the contact to the butt joint raised head (11) and the electricity testing integrated device (7).
4. The combined inner hexagon and screwdriver set with the alternating current and direct current electricity testing function of claim 2, wherein the combined inner hexagon and screwdriver set comprises: the outer surface of the body rod (14) is coated with an insulating layer.
5. The combined inner hexagon and screwdriver set with the AC/DC electricity testing function of claim 1, wherein: the butt joint groove (8) and the butt joint raised head (11) are both polygonal structures; the inner wall of the butt joint groove (8) is provided with a limit groove (10).
6. The combined inner hexagon and screwdriver set with the alternating current and direct current electricity testing function of claim 2, wherein the combined inner hexagon and screwdriver set comprises: the outer surface of the butt joint raised head (11) is provided with a groove, and a limiting pin (13) is connected in the groove through a disc spring (12) and is in plug-in fit with the limiting groove (10).
7. The combined inner hexagon and screwdriver set with the AC/DC electricity testing function of claim 5, wherein: one end of the inner wall of the limiting groove (10) facing the outside of the handle (1) is connected with a pin withdrawing rod (9) in a sliding manner and is in contact fit with a limiting pin (13).
8. The combined inner hexagon and screwdriver set with the AC/DC electricity testing function of claim 1, wherein: the electroscope group comprises a first electroscope lamp (5) and a second electroscope lamp (6); the first electroscope (5) and the second electroscope (6) are light emitting diodes with different colors.
9. The combined inner hexagon and screwdriver set with the AC/DC electricity testing function of claim 1, wherein: the electricity testing integrated device (7) comprises a voltage sampling loop, a voltage comparison loop and an output display loop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120579541.XU CN214643204U (en) | 2021-03-22 | 2021-03-22 | Combined inner hexagon and screwdriver set with alternating current-direct current electricity testing function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120579541.XU CN214643204U (en) | 2021-03-22 | 2021-03-22 | Combined inner hexagon and screwdriver set with alternating current-direct current electricity testing function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214643204U true CN214643204U (en) | 2021-11-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120579541.XU Active CN214643204U (en) | 2021-03-22 | 2021-03-22 | Combined inner hexagon and screwdriver set with alternating current-direct current electricity testing function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214643204U (en) |
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2021
- 2021-03-22 CN CN202120579541.XU patent/CN214643204U/en active Active
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