CN215066910U - Line voltage and on-off detection indicator - Google Patents
Line voltage and on-off detection indicator Download PDFInfo
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- CN215066910U CN215066910U CN202121081511.2U CN202121081511U CN215066910U CN 215066910 U CN215066910 U CN 215066910U CN 202121081511 U CN202121081511 U CN 202121081511U CN 215066910 U CN215066910 U CN 215066910U
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Abstract
The utility model discloses a line voltage and break-make detection indicator, including the indicator body, the indicator body includes the indicator shell, install the switch button on the indicator shell, the power negative pole is connected to switch button one end, other end connection pilot lamp structure, the power is installed inside the indicator shell, the black table stick is connected through the table stick connecting wire to the pilot lamp structure, the anodal red table stick of connecting through the table stick connecting wire of passing through of power. The device can indicate the on-off state of the line connection; can indicate whether there is AC voltage between two points of the circuit loop; the safety of equipment and operators can be effectively, conveniently and quickly protected.
Description
Technical Field
The utility model relates to an indicator technical field, concretely relates to line voltage and break-make detect indicator.
Background
Aiming at the requirements of various users on the power supply reliability, the uninterrupted operation becomes very important work content of the power grid. The development of marketing measurement uninterrupted power operation is one of the most direct and effective measures for improving the power supply reliability. In the process of changing the meter without power failure, the connection reliability of the connecting line is ensured, and the meter changing device is safe, reliable and convenient to operate. The existing on-off indication is generally carried out by using a universal meter to check on-off, and the universal meter is also used for measuring voltage if electricity exists. Whether the circuit has electricity when this in-process can not guarantee the inspection short circuit, probably burns out the universal meter, arouses short circuit and equipment potential safety hazard.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a line voltage and break-make detect indicator to solve the problem of mentioning in the background art. In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a line voltage and break-make detection indicator, includes the indicator body, the indicator body includes the indicator shell, install the switch button on the indicator shell, switch button one end is connected the power negative pole, and the pilot lamp structure is connected to the other end, the power is installed inside the indicator shell, the black table stick is connected through the table stick connecting wire to the pilot lamp structure, the positive pole of power is connected red table stick through the table stick connecting wire.
Preferably, the pilot lamp structure includes the pilot lamp, the pilot lamp is equipped with two, is green pilot lamp and red pilot lamp respectively, connect in series with the resistance after green pilot lamp and red pilot lamp reverse parallel, parallelly connected with the diode again, green pilot lamp and red pilot lamp are inlayed on the indicator shell, the switch button is connected the positive pole of diode and red pilot lamp, connects the negative pole of green pilot lamp.
Preferably, a diode I is connected between the anode and the cathode of the power supply, the cathode of the power supply is connected with the anode of the diode I, and a variable resistor is connected between the indicator light structure and the black indicator bar.
Preferably, the end of the indicator rod connecting wire is connected with a plug, the plug can be detachably connected with two sockets, and the two sockets are arranged on the indicator shell and respectively correspond to the positive electrodes of the indicator lamp structure and the power supply.
Preferably, the end parts of the black gauge rod and the red gauge rod are respectively sleeved with a protective sleeve head, the protective sleeve heads are in threaded connection with the black gauge rod and the red gauge rod, and the end parts of the inner sides of the protective sleeve heads are provided with cushion pads.
The utility model discloses a technological effect and advantage: the device can indicate the on-off state of the line connection; can indicate whether there is AC voltage between two points of the circuit loop; the safety of equipment and operators can be effectively, conveniently and quickly protected.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view of the protective sleeve head of the present invention;
fig. 3 is a schematic circuit diagram of the present invention.
In the figure: 1-indicator body, 2-indicator shell, 3-power switch key, 4-meter rod connecting line, 5-black meter rod, 6-red meter rod, 7-green indicator light, 8-red indicator light, 9-resistor, 10-diode, 11-diode I, 12-variable resistor, 13-plug, 14-socket, 15-protective sleeve head and 16-buffer pad.
Detailed Description
In order to make the technical means, the creative features, the objectives and the functions of the present invention easily understood and appreciated, the present invention will be further described with reference to the specific drawings, and in the description of the present invention, unless otherwise specified or limited, the terms "mounted," connected "and" connected "should be understood broadly, and for example, the terms" fixed connection, "detachable connection," integral connection, mechanical connection, and electrical connection may be used; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements.
Example 1
The line voltage and on-off detection indicator shown in fig. 1 and 2 comprises an indicator body 1, wherein the indicator body 1 comprises an indicator shell 2, a power switch key 3 is installed on the indicator shell 2, one end of the power switch key 3 is connected with a power cathode, the other end of the power switch key 3 is connected with an indicator lamp structure, the power source is installed inside the indicator shell 2, the indicator lamp structure is connected with a black indicator rod 5 through an indicator rod connecting wire 4, and the anode of the power source is connected with a red indicator rod 6 through the indicator rod connecting wire 4.
Example 2
The line voltage and on-off detection indicator shown in fig. 1 and 2 comprises an indicator body 1, wherein the indicator body 1 comprises an indicator shell 2, a power switch key 3 is installed on the indicator shell 2, one end of the power switch key 3 is connected with a power cathode, the other end of the power switch key 3 is connected with an indicator lamp structure, the power source is installed inside the indicator shell 2, the indicator lamp structure is connected with a black indicator rod 5 through an indicator rod connecting wire 4, and the anode of the power source is connected with a red indicator rod 6 through the indicator rod connecting wire 4.
Preferably, the pilot lamp structure includes the pilot lamp, the pilot lamp is equipped with two, is green pilot lamp 7 and red pilot lamp 8 respectively, connect in series with resistance 9 after green pilot lamp 7 and red pilot lamp 8 are connected in parallel in the opposite direction, connect in parallel with diode 10 again, green pilot lamp 7 and red pilot lamp 8 are inlayed on indicator shell 2, switch button 3 connects the positive pole of diode 10 and red pilot lamp 8, connects the negative pole of green pilot lamp 7.
Preferably, a diode I11 is connected between the anode and the cathode of the power supply, the cathode of the power supply is connected with the anode of the diode I11, and a variable resistor 12 is connected between the indicator light structure and the black indicator bar 5.
Preferably, the end of the gauge stick connecting wire 4 is connected with the plug 13, the plug 13 can be separated to connect with the socket 14, the socket 14 is provided with two sockets, and the two sockets are arranged on the indicator shell 2 and respectively correspond to the positive electrodes of the connecting indicator lamp structure and the power supply, so that the black gauge stick 5 and the red gauge stick 6 can be conveniently replaced when being damaged in the later period.
Preferably, the end parts of the black gauge rod 5 and the red gauge rod 6 are respectively sleeved with a protective sleeve head 15, the protective sleeve heads 15 are in threaded connection with the black gauge rod 5 and the red gauge rod 6, the end part of the inner side of the protective sleeve head 15 is provided with a buffer pad 16, and the protective sleeve heads 15 can protect the end probes of the black gauge rod 5 and the red gauge rod 6 from being damaged by the external environment, so that the normal use of the black gauge rod 5 and the red gauge rod 6 is ensured.
The utility model discloses process flow and theory of operation do: when the device is used for measurement and inspection, as shown in fig. 3, the power switch key 3 is turned on to communicate the contact 2 with the contact 3, the protective sleeve head 15 is taken down firstly, the black meter bar 5 and the red meter bar 6 are in short circuit in a contact manner, the green indicator light 7 is on, and the red indicator light 8 is not on, so that the device works normally; when the black meter bar 5 and the red meter bar 6 are used for measuring two points of a detection loop, if the green indicator light 7 is on, the red indicator light 8 is not on, and the conduction between the test points is represented; if the green indicator light 7 is on, the red indicator light 8 is on, and voltage exists between the test points; if the green indicating lamp 7 is not lighted, the red indicating lamp 8 is not lighted, which indicates that the test points are disconnected.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (5)
1. The utility model provides a line voltage and break-make detection indicator, includes the indicator body, its characterized in that: the indicator body comprises an indicator shell, a power switch key is installed on the indicator shell, one end of the power switch key is connected with a power cathode, the other end of the power switch key is connected with an indicator lamp structure, the power is installed inside the indicator shell, the indicator lamp structure is connected with a black indicator stick through an indicator stick connecting wire, and the anode of the power is connected with a red indicator stick through an indicator stick connecting wire.
2. A line voltage and on-off detection indicator as defined in claim 1, wherein: the pilot lamp structure includes the pilot lamp, the pilot lamp is equipped with two, is green pilot lamp and red pilot lamp respectively, connect in series with resistance after green pilot lamp and red pilot lamp are connected in parallel backward, parallelly connected with the diode again, green pilot lamp and red pilot lamp are inlayed on the indicator shell, the switch is pressed the positive pole of connecting diode and red pilot lamp, connects the negative pole of green pilot lamp.
3. A line voltage and on-off detection indicator according to any of claims 1 or 2, wherein: be connected with diode I between the positive pole and the negative pole of power, the positive pole of diode I is connected to the negative pole of power, be connected with variable resistance between pilot lamp structure and the black gauge stick.
4. A line voltage and on-off detection indicator as defined in claim 1, wherein: the meter stick connecting wire end is connected with the plug, the plug can be separated to connect with the sockets, and the two sockets are arranged on the indicator shell and respectively correspond to the positive electrodes of the indicator light structure and the power supply.
5. A line voltage and on-off detection indicator as defined in claim 1, wherein: the protective sleeve head is sleeved on the end portions of the black meter rod and the red meter rod respectively, the protective sleeve head is in threaded connection with the black meter rod and the red meter rod, and a cushion pad is arranged at the end portion of the inner side of the protective sleeve head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121081511.2U CN215066910U (en) | 2021-05-20 | 2021-05-20 | Line voltage and on-off detection indicator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121081511.2U CN215066910U (en) | 2021-05-20 | 2021-05-20 | Line voltage and on-off detection indicator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215066910U true CN215066910U (en) | 2021-12-07 |
Family
ID=79212689
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121081511.2U Active CN215066910U (en) | 2021-05-20 | 2021-05-20 | Line voltage and on-off detection indicator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215066910U (en) |
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2021
- 2021-05-20 CN CN202121081511.2U patent/CN215066910U/en active Active
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