CN212749038U - Electrified induction indicating device for switch cabinet - Google Patents
Electrified induction indicating device for switch cabinet Download PDFInfo
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- CN212749038U CN212749038U CN202021085231.4U CN202021085231U CN212749038U CN 212749038 U CN212749038 U CN 212749038U CN 202021085231 U CN202021085231 U CN 202021085231U CN 212749038 U CN212749038 U CN 212749038U
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Abstract
The utility model relates to a live induction indicating device for a switch cabinet, which belongs to the technical field of live induction indicating devices for switch cabinets; the technical problem to be solved is as follows: the improvement of the hardware structure of the electrified induction indicating device for the switch cabinet is provided; the technical scheme for solving the technical problem is as follows: the device shell comprises an upper cover and a base, wherein the upper cover is fixedly connected with the base through screws, a functional panel is arranged on the outer side of the upper cover, a control circuit board is fixedly arranged in the base, and an induction port is also arranged on one side of the base; the circuit structure in the control circuit board is as follows: one end of the inductor L1 is connected with the induction port, the other end of the inductor L1 is connected with the base electrode of a triode T1, the emitting electrode of the triode T1 is connected with the base electrode of a triode T2, the emitting electrode of the triode T2 is connected with the base electrode of a triode T3, and the emitting electrode of the triode T3 is connected with the negative electrode of the button cell BT 1; the utility model discloses the cubical switchboard is applied to in the installation.
Description
Technical Field
The utility model relates to a cubical switchboard is with electrified response indicating device belongs to cubical switchboard is with electrified response indicating device technical field.
Background
The middling pressure that uses at present, high tension switchgear has the defect in the design, the inside static contact that sets up of cubical switchboard is not done insulation treatment, only is provided with the baffle in the outside, the staff is when maintaining the inspection, often can not judge whether current cubical switchboard is electrified, and all do not set up corresponding electrified warning device on the static contact of cubical switchboard and the casing, lead to often taking place the staff among the maintenance process and touch electrified static contact because of the mistake, and take place to electrocute casualties accident, bring very big potential safety hazard for enterprise and staff.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an overcome not enough that exists among the prior art, the technical problem that will solve is: the utility model provides an improvement of electrified response indicating device hardware architecture for cubical switchboard.
In order to solve the technical problem, the utility model discloses a technical scheme be: an electrified induction indicating device for a switch cabinet comprises a device shell, wherein the device shell comprises an upper cover and a base, the upper cover is fixedly connected with the base through screws, a functional panel is arranged on the outer side of the upper cover, a control circuit board is fixedly arranged in the base, and an induction port is further arranged on one side of the base;
the control circuit board is integrated with an inductor L1, a triode T1, a triode T2, a triode T3, a light-emitting diode D1, a button cell BT1 and a buzzer HA1, and the control circuit board is characterized in that the control circuit board HAs a circuit structure as follows:
one end of the inductor L1 is connected with the induction port, the other end of the inductor L1 is connected with the base electrode of a triode T1, the emitting electrode of the triode T1 is connected with the base electrode of a triode T2, the emitting electrode of the triode T2 is connected with the base electrode of a triode T3, and the emitting electrode of the triode T3 is connected with the negative electrode of the button cell BT 1;
the positive electrode of the button cell BT1 is sequentially connected with the positive electrode of a buzzer HA1 in parallel, the positive electrode of a light-emitting diode D1 and the collector electrode of a triode T2 are connected with the collector electrode of the triode T1, and the negative electrode of a light-emitting diode D1 is connected with the negative electrode of a buzzer HA1 in parallel and then connected with the collector electrode of the triode T3;
the arrangement position of the light emitting diode D1 on the control circuit board corresponds to the position of an indicator lamp of the function panel;
the arrangement position of the buzzer HA1 on the control circuit board corresponds to the bell mouth position of the function panel.
The triode T1, the triode T2 and the triode T3 are NPN triodes and are in a model number of C945.
The back of the base is also provided with a button battery bin, and the button battery bin corresponds to the installation position of the button battery BT 1.
The utility model discloses beneficial effect for prior art possesses does: the utility model provides a to the problem that the static contact is touched to the mistake when examining and repairing the cubical switchboard at present and lead to the electric shock, provide a install the electrified response indicating device on the static contact, the device encapsulates in insulating housing, structural design is simple, the use is reliable, adopt SMD component to install on the device internal circuit board, reduced the device volume, make it conveniently install the direct-viewing instruction electrified state in the middling pressure, high tension switchgear, will trigger the audible and visual warning when the cubical switchboard is electrified, in time inform maintenance personal, reduce the contact accident and take place; the utility model discloses also can be according to the difference of using the scene, install its audio-visual instruction electrified state in all kinds of electrical equipment, function extension is effectual.
Drawings
The present invention will be further explained with reference to the accompanying drawings:
fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic diagram of the circuit structure of the present invention;
FIG. 3 is a diagram illustrating the effect of the present invention;
in the figure: 1 is an upper cover, 2 is a base, 3 is a functional panel, 4 is a control circuit board, 5 is an induction port, and 6 is a button battery cabin.
Detailed Description
As shown in fig. 1 to 3, the utility model relates to a live induction indicating device for switch cabinet, which comprises a device shell, wherein the device shell comprises an upper cover (1) and a base (2), the upper cover (1) is connected and fixed with the base (2) through screws, a functional panel (3) is arranged on the outer side of the upper cover (1), a control circuit board (4) is fixedly arranged in the base (2), and an induction port (5) is further arranged on one side of the base (2);
the control circuit board (4) is integrated with an inductor L1, a triode T1, a triode T2, a triode T3, a light-emitting diode D1, a button cell BT1 and a buzzer HA1, and the circuit structure in the control circuit board (4) is as follows:
one end of the inductor L1 is connected with the induction port (5), the other end of the inductor L1 is connected with the base electrode of a triode T1, the emitter electrode of the triode T1 is connected with the base electrode of a triode T2, the emitter electrode of the triode T2 is connected with the base electrode of a triode T3, and the emitter electrode of the triode T3 is connected with the negative electrode of the button cell BT 1;
the positive electrode of the button cell BT1 is sequentially connected with the positive electrode of a buzzer HA1 in parallel, the positive electrode of a light-emitting diode D1 and the collector electrode of a triode T2 are connected with the collector electrode of the triode T1, and the negative electrode of a light-emitting diode D1 is connected with the negative electrode of a buzzer HA1 in parallel and then connected with the collector electrode of the triode T3;
the arrangement position of the light emitting diode D1 on the control circuit board (4) corresponds to the position of an indicator light of the function panel (3);
the arrangement position of the buzzer HA1 on the control circuit board (4) corresponds to the position of the bell mouth of the functional panel (3).
The triode T1, the triode T2 and the triode T3 are NPN triodes and are in a model number of C945.
The back of base (2) still is provided with button cell storehouse (6), button cell storehouse (6) correspond with button cell BT 1's mounted position.
The utility model provides an electric electrified detection device mainly is applied to middling pressure, high tension switchgear, installs on the quiet contact of cubical switchboard the utility model discloses can the visual display electrified condition behind the device, avoid the staff mistake to touch and bump electrified contact and take place the electric shock accident.
The utility model discloses an exchange the response electricity as trigger signal, drive LED pilot lamp and send electrified warning after triode multistage amplification, this static contact of warning staff that can be audio-visual is electrified state, forbids being close to or contacts, can avoid the emergence of electric shock accident, and the later stage also can be through installing bee calling organ additional, adopts audible-visual alarm mode to improve warning effect.
The utility model is provided with a corresponding control circuit board in the shell, and integrates all components on the circuit board in a patch mode by matching with the positions of the base and the functional panel; in the control circuit, an amplifying circuit formed by a triode amplifying tube is designed, wherein an NPN triode T1 is used as a primary amplifying tube, an NPN triode T2 is used as a secondary amplifying tube, an NPN triode T3 is used as a tertiary amplifying tube, an induction coil is arranged in the control circuit, one end of the induction coil is suspended, the other end of the induction coil is connected with a base electrode of the primary amplifying tube, an emitting electrode of the primary amplifying tube is connected with a base electrode of the secondary amplifying tube, an emitting electrode of the secondary amplifying tube is connected with a base electrode of the tertiary amplifying tube, and a collector electrode of the tertiary amplifying tube is connected with a cathode of a;
the button cell BT1 is used as a power supply, the anode of the button cell BT1 is connected with the collector of the primary amplifier tube, the collector of the secondary amplifier tube and the anode of the light-emitting diode, and the cathode of the button cell BT1 is connected with the emitter of the tertiary amplifier tube.
The utility model has simple design loop inside, few elements, small size and portability, is more suitable for being installed at the position with narrow space of a static contact inside a medium-voltage and high-voltage switch cabinet, adopts NPN triodes for all signal amplification components, has uniform specification and convenient manufacture; the device can be installed on various existing electrical equipment for indicating live, and a control circuit in the device is free of vulnerable elements such as capacitors and rectifier stacks, so that the failure rate is low, and the working reliability is high; the working power supply of the device can be supplied by a button battery or by a super capacitor after being rectified by coil induction.
When the live indicator is used, a shell (comprising a button cell, a warning lamp and an induction coil) of the live indicator is arranged at six static contact positions of a switch cabinet, and an induction port arranged on the shell of the device is contacted with the static contacts, so that the live condition of each static contact can be monitored in real time; the utility model discloses convenient in the internet of things expansion of electrical equipment, equipment cost is low, long service life, but adopt maintenance-free behind the ultracapacitor system power supply of response mode.
About the utility model discloses what the concrete structure need explain, the utility model discloses a each part module connection relation each other is definite, realizable, except that the special explanation in the embodiment, its specific connection relation can bring corresponding technological effect to based on do not rely on under the prerequisite of corresponding software program execution, solve the utility model provides a technical problem, the utility model provides a model, the connection mode of parts, module, specific components and parts that appear all belong to the prior art such as the published patent that technical staff can acquire before the application day, published journal paper, or common general knowledge, need not to describe in detail for the technical scheme that the present case provided is clear, complete, realizable, and can be according to this technical means or obtain corresponding entity product.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (3)
1. The utility model provides a cubical switchboard is with electrified response indicating device, includes the device casing, the device casing includes upper cover (1) and base (2), upper cover (1) is connected fixedly through screw and base (2), its characterized in that: a functional panel (3) is arranged on the outer side of the upper cover (1), a control circuit board (4) is fixedly arranged in the base (2), and an induction port (5) is further arranged on one side of the base (2);
the control circuit board (4) is integrated with an inductor L1, a triode T1, a triode T2, a triode T3, a light-emitting diode D1, a button cell BT1 and a buzzer HA1, and the circuit structure in the control circuit board (4) is as follows:
one end of the inductor L1 is connected with the induction port (5), the other end of the inductor L1 is connected with the base electrode of a triode T1, the emitter electrode of the triode T1 is connected with the base electrode of a triode T2, the emitter electrode of the triode T2 is connected with the base electrode of a triode T3, and the emitter electrode of the triode T3 is connected with the negative electrode of the button cell BT 1;
the positive electrode of the button cell BT1 is sequentially connected with the positive electrode of a buzzer HA1 in parallel, the positive electrode of a light-emitting diode D1 and the collector electrode of a triode T2 are connected with the collector electrode of the triode T1, and the negative electrode of a light-emitting diode D1 is connected with the negative electrode of a buzzer HA1 in parallel and then connected with the collector electrode of the triode T3;
the arrangement position of the light emitting diode D1 on the control circuit board (4) corresponds to the position of an indicator light of the function panel (3);
the arrangement position of the buzzer HA1 on the control circuit board (4) corresponds to the position of the bell mouth of the functional panel (3).
2. The live induction indicating device for the switch cabinet according to claim 1, wherein: the triode T1, the triode T2 and the triode T3 are NPN triodes and are in a model number of C945.
3. The live induction indicating device for the switch cabinet according to claim 2, wherein: the back of base (2) still is provided with button cell storehouse (6), button cell storehouse (6) correspond with button cell BT 1's mounted position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021085231.4U CN212749038U (en) | 2020-06-12 | 2020-06-12 | Electrified induction indicating device for switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021085231.4U CN212749038U (en) | 2020-06-12 | 2020-06-12 | Electrified induction indicating device for switch cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212749038U true CN212749038U (en) | 2021-03-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021085231.4U Active CN212749038U (en) | 2020-06-12 | 2020-06-12 | Electrified induction indicating device for switch cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212749038U (en) |
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2020
- 2020-06-12 CN CN202021085231.4U patent/CN212749038U/en active Active
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