CN211718385U - Mining hand-operated meter safe to use - Google Patents
Mining hand-operated meter safe to use Download PDFInfo
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- CN211718385U CN211718385U CN201922117671.7U CN201922117671U CN211718385U CN 211718385 U CN211718385 U CN 211718385U CN 201922117671 U CN201922117671 U CN 201922117671U CN 211718385 U CN211718385 U CN 211718385U
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- circuit breaker
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- safe
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Abstract
The utility model belongs to the technical field of mining check out test set technique and specifically relates to a mining hand table safe in utilization, including the watchcase, set up the table body in the watchcase, the table body has wiring end L, ground wire end E, shielding end G, and the hand table is still including the handle that passes the watchcase, include: be formed with the mounting hole on the watchcase, mounting hole department is equipped with the circuit breaker who establishes ties with wiring end L, is equipped with the pilot lamp on the watchcase, the supply circuit who links to each other with the pilot lamp, supply circuit inserts have with circuit breaker complex linked switch, with when circuit breaker disconnection wiring end L, linked switch change over switch state, so that the pilot lamp closes or opens, the utility model discloses can one-man operation, can open circuit through the quick terminal L of circuit breaker after detecting, be favorable to protecting the table body, go back the break-make that the light and shade state that accessible pilot lamp shows circuit breaker, prevent the maloperation. Obviously, the utility model discloses can effectively satisfy the demand of use.
Description
The technical field is as follows:
the utility model belongs to the technical field of mining check out test set technique and specifically relates to a safe in utilization's mining hand table.
Background art:
a manual megger is also called a megohm-level resistance meter, and is used for measuring the insulation resistance of various electrical equipment in order to avoid accidents, and the megohm-level resistance meter is convenient and reliable for measuring the insulation resistance. In mine production, hand watches are often used to check the insulation of motors, electrical appliances and lines and to measure high-value resistances. The hand-operated meter with the large range needs two persons to cooperate to operate when large equipment with high insulation in a mine or large capacitance is measured, wherein one person shakes the meter, the other person holds the detection wire to detect, and after the detection wire is separated from the detected equipment, a person shaking the meter can stop the hand-operated meter to prevent the large equipment and the large capacitance from being damaged by reverse charging. Adopt this kind of mode, need two people's simultaneous operation, not only occupy the manpower, still lead to hand table reverse charging impaired because of the cooperation error easily.
The utility model has the following contents:
the utility model provides a safe in utilization's mining hand table, its structure is ingenious, and reasonable in design can one-man operation, can be after detecting, through the quick break circuit with terminal L of circuit breaker, is favorable to protecting the table body, go back the light and shade state display circuit breaker's of pilot lamp break-make, prevents the maloperation. Obviously, the utility model discloses can effectively satisfy the demand of use.
The utility model discloses a solve the technical scheme that above-mentioned technical problem adopted and be: including the watchcase, set up in the watch body in the watchcase, the watch body has wiring end L, ground wire end E, shielding end G, the hand watch still includes and passes the handle of watchcase includes: the meter comprises a shell, a wiring terminal L and a linkage switch, wherein a mounting hole is formed in the shell, a circuit breaker connected with the wiring terminal L in series is arranged at the mounting hole, an indicator lamp and a power supply circuit connected with the indicator lamp are arranged on the shell, the power supply circuit is connected into the linkage switch matched with the circuit breaker, and when the circuit breaker is disconnected with the wiring terminal L, the linkage switch switches the state of the switch, so that the indicator lamp is turned off or turned on.
Further, the terminal L is connected with the watch body through a first conducting wire, and the circuit breaker comprises a first button switch connected into the first conducting wire and a pressing plate abutted against the button end of the first button switch; the linkage switch comprises a second button switch, and the button end of the second button switch is abutted to the pressing plate.
Furthermore, the outer edge of the pressure plate is folded towards the inner surface of the watchcase to form a convex rib which is abutted against the inner surface of the watchcase.
Further, when the first button switch is turned on, the second button switch is turned on.
Furthermore, two mounting holes are formed in the watch case, the two mounting holes are respectively located on two sides of the rotation axis of the handle, the two mounting holes are respectively provided with one circuit breaker, and the circuit breakers are respectively provided with one linked switch.
Furthermore, the top of the watch case is provided with a window hole for mounting a dial plate, and the indicator light is a frame-shaped indicator light surrounding the inner edge of the window hole.
Further, a diode is also connected in series on the first lead.
Furthermore, the power supply circuit comprises a battery and a second lead which are arranged in the watch case, and the second lead is connected with the battery, the indicator light and the ganged switch in series.
Further, the outer surface of the watch case is covered with a flexible film for closing the mounting hole.
The beneficial effects of the utility model reside in that, its structure is ingenious, reasonable in design, can one-man operation, can be after detecting, through the quick terminal L that opens circuit of circuit breaker, be favorable to protecting the table body, go back the light and shade state of passing through the pilot lamp and show circuit breaker's break-make, prevent the maloperation. Obviously, the utility model discloses can effectively satisfy the demand of use.
Description of the drawings:
fig. 1 is a schematic side view of the present invention;
fig. 2 is a schematic top view of the present invention;
FIG. 3 is a schematic sectional view of the present invention at the mounting hole;
fig. 4 is a schematic diagram of the circuit connection structure of the present invention;
in the figure, 1, a watch case; 2. a watch body; 3. a terminal L; 4. a handle; 5. mounting holes; 6. a cut-off switch; 601. a first push button switch; 602. pressing a plate; 7. an indicator light; 8. a ganged switch; 801. a second push button switch; 9. a first conductive line; 10. a rib is protruded; 11. a window aperture; 12. a dial plate; 13. a diode; 14. A battery; 15. a second conductive line; 16. a flexible film.
The specific implementation mode is as follows:
in order to clearly illustrate the technical features of the present invention, the present invention is explained in detail by the following embodiments in combination with the accompanying drawings.
The utility model discloses an embodiment is as shown in fig. 1-4, a mining hand table safe in utilization, including the hand table, the hand table include watchcase 1, set up in table body 2 in the watchcase 1, table body 2 has wiring end L3, ground wire end E, shielding end G, the hand table is still including passing handle 4 of watchcase 1 includes: the watch case comprises a watch case body 1, and is characterized in that a mounting hole 5 is formed in the watch case body 1, a circuit breaker 6 connected with a terminal L3 in series is arranged at the mounting hole, an indicator light 7 and a power supply circuit connected with the indicator light 7 are arranged on the watch case body 1, and a linkage switch 8 matched with the circuit breaker 6 is connected to the power supply circuit, so that when the circuit breaker 6 is disconnected with the terminal L3, the linkage switch 8 switches the on-off state, and the indicator light 7 is turned off or turned on.
The utility model discloses a hand table is when using, and the user can be in advance with detecting with wire and hand table and link to each other, then is in the on-state with circuit breaker 6 again, and twist grip 4 can detect, and when detecting the end, the user accessible touches circuit breaker 6 for circuit breaker 6 breaks off in the twinkling of an eye, and at this moment, the user can stop to wave handle 4. When a user touches the disconnecting switch 6, the linked switch 8 switches the switch state, so that the indicator light 7 is turned off or turned on, the state switching of the indicator light 7 can remind the user of the on-off state of the current disconnecting switch 6, and the user can be prevented from stopping shaking the handle 4 in the state of the non-port disconnecting switch 6.
In a preferred embodiment, more specifically, the terminal L3 is connected to the watch body 2 through a first conducting wire 9, and the disconnecting switch 6 includes a first push button switch 601 connected to the first conducting wire 9, and a pressing plate 602 abutting against a push button end of the first push button switch 601; the ganged switch 8 comprises a second button switch 801, and a button end of the second button switch 801 abuts against the pressure plate 602. With such an arrangement, it is ensured that the second push switch 801 can be simultaneously actuated when the cut switch 6 is actuated, as shown in the figure.
A further optimization is that the outer edge of the pressure plate 602 is folded back toward the inner surface of the case 1 to form a rib 10 abutting against the inner surface of the case 1.
In the illustrated embodiment, more specifically, when the first button switch 601 is turned on, the second button switch 801 is turned on. As shown in the figure, can be when the user megger from this, pilot lamp 7 lights, can provide the function of partial illumination, and the person of facilitating the use observes the dial plate 12 of megger, and especially to the mine light relatively poor, the utility model discloses it is more suitable for.
The further optimization is that as shown in the figure, two mounting holes 5 are arranged on the watch case 1, the two mounting holes 5 are respectively positioned at two sides of the rotation axis of the handle 4, the two circuit breakers 6 are respectively arranged in the two mounting holes 5, and the linked switch is respectively arranged at each circuit breaker 6. Through such setting, the user is when the operation, can right hand megger, the fixed watchcase 1 of left hand, also can left hand megger, the fixed watchcase 1 of right hand, can be applicable to left-handed person and right-handed person.
A further optimization is that a diode 13 is also connected in series with the first conductor 9. With such an arrangement, the current in first lead 9 can flow in one direction, and thus, watch body 2 can be protected against an operation error of a user.
More specifically, the power supply circuit comprises a battery 14 and a second wire 15 which are arranged in the watch case 1, and the second wire 15 is connected in series with the battery 14, the indicator light 7 and the ganged switch 8.
The further optimization is that the top of the watch case 1 is provided with a window hole 11 for installing a dial 12, and the indicator light 7 is a frame-shaped indicator light 7 surrounding the inner edge of the window hole 11. As shown in the figure, when the indicator light 7 is on, the dial 12 can be sufficiently illuminated, and the use is convenient for users.
A further optimization is that the outer surface of the watch case 1 is also covered with a flexible membrane 16 closing the mounting hole 5. Through such setting, can prevent that external dust, steam from getting into the inboard of watchcase 1 by mounting hole 5, be particularly useful for the relatively abominable service environment in the mine. Among them, the flexible film 16 is preferably a rubber film.
Wherein need explain, the utility model discloses in the table body 2 that points to, including existing electrical component such as the inside detecting element of current hand table, hand power generation part, this part is not the utility model discloses modified main part, consequently choose for use the table body 2 of what kind of form all not influence the utility model discloses an implement.
The frame type indicator lamp 7 adopted in the figure can be a transparent hollow frame, and a lamp holder is placed in the frame, which is a structure common in the lamp field or easily available, and is not described herein again.
The above-mentioned specific embodiments can not be regarded as the restriction to the scope of protection of the utility model, to technical personnel in this technical field, it is right the utility model discloses any replacement improvement or transform that embodiment made all fall within the scope of protection of the utility model.
The parts of the present invention not described in detail are the known techniques of those skilled in the art.
Claims (9)
1. A mining hand-operated watch safe in use, comprising a watch case, a watch body arranged in the watch case, the watch body is provided with a terminal L, a ground terminal E and a shielding end G, the hand-operated watch further comprises a handle penetrating through the watch case, and the mining hand-operated watch is characterized by comprising: the meter comprises a shell, a wiring terminal L and a linkage switch, wherein a mounting hole is formed in the shell, a circuit breaker connected with the wiring terminal L in series is arranged at the mounting hole, an indicator lamp and a power supply circuit connected with the indicator lamp are arranged on the shell, the power supply circuit is connected into the linkage switch matched with the circuit breaker, and when the circuit breaker is disconnected with the wiring terminal L, the linkage switch switches the state of the switch, so that the indicator lamp is turned off or turned on.
2. The mining hand watch safe in use according to claim 1, characterized in that: the terminal L is connected with the watch body through a first lead, and the circuit breaker comprises a first button switch connected with the first lead and a pressing plate abutted against the button end of the first button switch; the linkage switch comprises a second button switch, and the button end of the second button switch is abutted to the pressing plate.
3. The mining hand watch safe in use according to claim 2, characterized in that: the outer edge of the pressure plate is turned over towards the inner surface of the watchcase to form a convex rib abutted against the inner surface of the watchcase.
4. The mining hand watch safe in use according to claim 2, characterized in that: and when the first button switch is conducted, the second button switch is conducted.
5. The mining hand watch safe in use according to claim 4, characterized in that: the shell is provided with two mounting holes which are respectively positioned at two sides of the rotation axis of the handle, the two mounting holes are respectively provided with one circuit breaker, and the circuit breakers are respectively provided with one linked switch.
6. The mining hand watch safe in use according to claim 4, characterized in that: the top of the watch case is provided with a window hole for mounting a dial plate, and the indicator lamp is a frame-shaped indicator lamp surrounding the inner edge of the window hole.
7. The mining hand watch safe in use according to claim 2, characterized in that: and a diode is also connected in series on the first lead.
8. The mining hand watch safe in use according to claim 1, characterized in that: the power supply circuit comprises a battery and a second wire which are arranged in the watch case, and the second wire is connected with the battery, the indicator light and the linkage switch in series.
9. The mining hand watch safe in use according to claim 1, characterized in that: the outer surface of the watch case is also covered with a flexible film which closes the mounting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922117671.7U CN211718385U (en) | 2019-12-02 | 2019-12-02 | Mining hand-operated meter safe to use |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922117671.7U CN211718385U (en) | 2019-12-02 | 2019-12-02 | Mining hand-operated meter safe to use |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211718385U true CN211718385U (en) | 2020-10-20 |
Family
ID=72815813
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922117671.7U Active CN211718385U (en) | 2019-12-02 | 2019-12-02 | Mining hand-operated meter safe to use |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211718385U (en) |
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2019
- 2019-12-02 CN CN201922117671.7U patent/CN211718385U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhao Hailong Inventor after: Wu Haojun Inventor after: Hao Huanming Inventor after: Ping Zhaoyue Inventor after: Zhao Hongyun Inventor after: Su Guomin Inventor after: Tang Ke Inventor after: Zhang Dianchun Inventor after: Feng Jie Inventor after: Sheng Yuzhu Inventor after: Zhang Wei Inventor before: Ping Zhaoyue Inventor before: Hao Huanming Inventor before: Zhao Hongyun Inventor before: Su Guomin Inventor before: Tang Ke Inventor before: Zhang Dianchun Inventor before: Feng Jie Inventor before: Sheng Yuzhu Inventor before: Zhang Wei Inventor before: Wu Haojun |