CN212256513U - Make things convenient for electric fire monitor of dismouting - Google Patents
Make things convenient for electric fire monitor of dismouting Download PDFInfo
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- CN212256513U CN212256513U CN202020856741.0U CN202020856741U CN212256513U CN 212256513 U CN212256513 U CN 212256513U CN 202020856741 U CN202020856741 U CN 202020856741U CN 212256513 U CN212256513 U CN 212256513U
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Abstract
The utility model provides a make things convenient for electric fire monitor of dismouting, including the shell and with shell fixed connection's base, base sliding connection has the mounting bar, the base is equipped with the mounting groove, and mounting groove one side is equipped with spacing, the mounting bar is equipped with the boss, the boss leans on spacing one side to be equipped with the spacing groove, spacing card is put at spacing inslot, the mounting groove is equipped with positioning mechanism with the right-hand member of the relative one side of spacing, be equipped with processing module and residual current detection circuit in the cavity that shell and base formed, processing module is connected with residual current detection circuit electricity, the shell is equipped with current detection hole and temperature detection hole, residual current detection circuit passes through the current detection hole and is connected by protection circuit, processing module passes through the temperature detection hole and is connected with external temperature sensor. The temperature sensor is externally arranged, so that the overall size is reduced, and the purposes of reducing the size and facilitating installation are achieved.
Description
Technical Field
The utility model belongs to the technical field of the fire detection technique and specifically relates to a make things convenient for electric fire monitor of dismouting.
Background
The multifunctional instrument plays a critical role in measurement and protection in the complete set of electrical cabinet, is an important electrical component, and has a very wide application range. The multifunctional instrument can measure all commonly used electric quantity parameters such as three-phase voltage, three-phase current, active power, reactive power, power factor, grid frequency, active electric energy and reactive electric energy in a three-phase grid system at high precision, and has a communication interface and an electric energy pulse output function.
In actual production, the multifunctional instrument and the temperature control sensor in the cabinet body are separately installed, so that residual current cannot be well monitored, and dangerous situations are judged to give an alarm. The existing product integrating the two products in the market has larger volume and inconvenient installation, and can not be well applied to actual production.
SUMMERY OF THE UTILITY MODEL
The instrument that residual current and temperature monitored simultaneously is bulky among the prior art, the problem of inconvenient installation, the utility model provides a make things convenient for electric fire monitor of dismouting adopts the mode of slip joint to install, and is external with temperature sensor simultaneously, reduces whole size, reaches the purpose that reduces volume easy to assemble.
In order to achieve the above object, the present invention provides the following technical solutions:
the utility model provides a make things convenient for electric fire monitor of dismouting, include the shell and with shell fixed connection's base, base sliding connection has the mounting bar, the base is equipped with the mounting groove, and mounting groove one side is equipped with spacing, the mounting bar is equipped with the boss, the boss leans on spacing one side to be equipped with the spacing groove, spacing card is put at the spacing inslot, the mounting groove is equipped with positioning mechanism with the right-hand member of the relative one side of spacing, be equipped with processing module and residual current detection circuit in the cavity that shell and base formed, processing module is connected with residual current detection circuit electricity, the shell is equipped with current detection hole and temperature detection hole, residual current detection circuit passes through the current detection hole and is connected by protection circuit, processing module passes through the temperature detection hole and is connected with external temperature sensor.
The external temperature sensor is installed at the top of the whole set of electrical cabinet, the installation bar is fixed on the inner wall of the whole set of electrical cabinet, the residual current detection circuit detects the residual current of the protected circuit and transmits the residual current to the processing module, the processing module is internally provided with a residual current threshold value, and if the residual current exceeds the threshold value, the processing module outputs an alarm signal; the external temperature sensor monitors the internal temperature of the complete electrical cabinet in real time and transmits temperature information to the processing module, a temperature threshold is arranged in the processing module, and if the temperature exceeds the threshold, the processing module outputs an alarm signal. Through integrated residual current detection and temperature detection, the workload of construction maintainers is greatly reduced, the working efficiency is improved, and the safe operation of equipment is guaranteed.
Preferably, the shell is provided with a data transmission serial port, and the data transmission serial port is electrically connected with the processing module. The data transmission serial port adopts a universal RS485 serial port, and different communication modules are selected according to different requirements so as to realize different communication modes.
Preferably, the shell is provided with a sound groove and a light groove, the shell is embedded with a display screen, the inner wall of the shell is fixed with an audible and visual alarm, and the display screen and the audible and visual alarm are electrically connected with the processing module. The alarm sound emitted by the buzzer of the audible and visual alarm is transmitted through the sound groove, and the sound groove is used for reducing the obstruction of sound transmission; the flash lamp of audible and visual alarm sets up on the light trough, and the effect of light trough is to reduce light and is blockked by the shell.
Preferably, the base is provided with a first limiting column, the inner wall of the shell is provided with a second limiting column, a circuit board is arranged between the first limiting column and the second limiting column, and the processing module and the residual current detection circuit are fixed on the circuit board. Because processing module and residual current detection circuit work for a long time, produce a large amount of heats by oneself, first spacing post, the spacing post of second and circuit board pass through bolted connection, the effect that sets up like this makes processing module and residual current detection circuit built on stilts, is favorable to this device self heat dissipation.
Preferably, heat dissipation holes are formed in the periphery of the shell. The heat dissipation holes are arranged to form an air channel relative to the heat dissipation holes, and the air drives the heat in the device to be dissipated to the outside of the device when flowing.
Preferably, the positioning mechanism comprises a spring groove, a spring, a positioning pin, an adjusting groove and an adjusting rod, one end of the spring is fixed at the bottom of the spring groove, the other end of the spring is fixed with one end of the positioning pin, the adjusting rod is vertically fixed with the positioning pin, and the adjusting rod is slidably connected in the adjusting groove.
When the device is installed, the adjusting rod is pressed tightly to drive the positioning pin to press the spring downwards, when the base slides to a corresponding position on the installation strip, the adjusting rod is loosened, the spring is reset to drive the positioning pin to extrude a boss of the installation strip, and the device is positioned by utilizing the elasticity of the spring; during the dismantlement, compress tightly the regulation pole, can loosen the regulation pole until the base is followed the mounting bar roll-off completely.
Preferably, the end face of the adjusting rod is provided with a transverse extension section. The effect of setting up the extension section makes the better atress of regulation pole, conveniently extrudees the spring.
Preferably, one side of the boss of the mounting strip, which is close to the positioning pin, is provided with a plurality of positioning holes. The positioning holes are arranged to enable the positioning pins to be inserted into the positioning holes, original positioning by spring elasticity is changed into clamping positioning, and positioning strength is improved.
The utility model discloses there is following beneficial effect: by integrating residual current detection and temperature detection, the workload of construction maintainers is greatly reduced, the working efficiency is improved, and the safe operation of equipment is guaranteed; the positioning mechanism is arranged, and the elastic force of the spring is utilized for positioning, so that the installation and the disassembly are convenient; the positioning hole is arranged, so that the positioning pin is inserted into the positioning hole, and the positioning strength is increased; the heat dissipation holes are arranged to form an air channel relative to the heat dissipation holes, and the air drives the heat in the device to be dissipated to the outside of the device when flowing, so that the heat dissipation of the device is facilitated; the processing module and the residual current detection circuit are overhead, and the device is favorable for self heat dissipation.
Drawings
FIG. 1 is an external view of the present embodiment;
FIG. 2 is a schematic view of the internal structure of the present embodiment;
FIG. 3 is a sectional view of the positioning structure of the present embodiment;
FIG. 4 is a schematic view of a heat dissipation hole of the present embodiment;
wherein: 1. The device comprises a shell 2, a base 3, a mounting strip 4, a limiting strip 5, a limiting groove 6, a processing module 7, a residual current detection circuit 8, a current detection hole 9, a temperature detection hole 10, an external temperature sensor 11, a data transmission serial port 12, a sound groove 13, a light groove 14, a display screen 15, an audible and visual alarm 16, a first limiting column 17, a second limiting column 18, a circuit board 19, a spring groove 20, a spring 21, a positioning pin 22, an adjusting groove 23, an adjusting rod 24 and a heat dissipation hole.
Detailed Description
Example (b):
the embodiment provides an electrical fire monitor convenient to disassemble and assemble, refer to fig. 1 and fig. 2, and comprise a shell 1 and a base 2 fixedly connected with the shell 1, wherein the base 2 is connected with a mounting strip 3 in a sliding manner, the base 2 is provided with a mounting groove, one side of the mounting groove is provided with a limiting strip 4, the mounting strip 3 is provided with a boss, one side of the boss close to the limiting strip 4 is provided with a limiting groove 5, the limiting strip 4 is clamped in the limiting groove 5, the right end of one side of the mounting groove opposite to the limiting strip 4 is provided with a positioning mechanism, a processing module 6 and a residual current detection circuit 7 are arranged in a cavity formed by the shell 1 and the base 2, the processing module 6 is electrically connected with the residual current detection circuit 7, the shell 1 is provided with a current detection hole 8 and a temperature detection hole 9, the residual current detection circuit 7 is connected with a protected circuit through the current detection; the shell 1 is provided with a data transmission serial port 11, and the data transmission serial port 11 is electrically connected with the processing module 6; a sound groove 12 and a light groove 13 are arranged on the shell 1, a display screen 14 is embedded on the shell 1, an audible and visual alarm 15 is fixed on the inner wall of the shell 1, and the display screen 14 and the audible and visual alarm 15 are electrically connected with the processing module 6; the base 2 is provided with a first limiting column 16, the inner wall of the shell 1 is provided with a second limiting column 17, a circuit board 18 is arranged between the first limiting column 16 and the second limiting column 17, and the processing module 6 and the residual current detection circuit 7 are fixed on the circuit board 18;
referring to fig. 3, the positioning mechanism includes a spring groove 19, a spring 20, a positioning pin 21, an adjusting groove 22 and an adjusting rod 23, one end of the spring 20 is fixed at the bottom of the spring groove 19, the other end of the spring is fixed with one end of the positioning pin 21, the adjusting rod 23 is vertically fixed with the positioning pin 21, and the adjusting rod 23 is slidably connected in the adjusting groove 22.
The end surface of the adjusting rod 23 is provided with a transverse extension section. The effect of setting up the extension section makes the better atress of regulation pole, conveniently extrudees the spring.
A plurality of positioning holes are formed in one side, close to the positioning pins 21, of the boss of the mounting strip 3. The positioning holes are arranged to enable the positioning pins to be inserted into the positioning holes, original positioning by spring elasticity is changed into clamping positioning, and positioning strength is improved. Referring to fig. 4, heat dissipation holes 24 are formed around the housing 1.
The external temperature sensor is installed at the top of the whole set of electrical cabinet, the installation bar is fixed on the inner wall of the whole set of electrical cabinet, the residual current detection circuit detects the residual current of the protected circuit and transmits the residual current to the processing module, the processing module is internally provided with a residual current threshold value, and if the residual current exceeds the threshold value, the processing module outputs an alarm signal; the external temperature sensor monitors the internal temperature of the complete electrical cabinet in real time and transmits temperature information to the processing module, a temperature threshold is arranged in the processing module, and if the temperature exceeds the threshold, the processing module outputs an alarm signal. Through integrated residual current detection and temperature detection, the workload of construction maintainers is greatly reduced, the working efficiency is improved, and the safe operation of equipment is guaranteed.
The data transmission serial port adopts a universal RS485 serial port, and different communication modules are selected according to different requirements so as to realize different communication modes.
The alarm sound emitted by the buzzer of the audible and visual alarm is transmitted through the sound groove, and the sound groove is used for reducing the obstruction of sound transmission; the flash lamp of audible and visual alarm sets up on the light trough, and the effect of light trough is to reduce light and is blockked by the shell.
Because processing module and residual current detection circuit work for a long time, produce a large amount of heats by oneself, first spacing post, the spacing post of second and circuit board pass through bolted connection, the effect that sets up like this makes processing module and residual current detection circuit built on stilts, is favorable to this device self heat dissipation.
The heat dissipation holes are arranged to form an air channel relative to the heat dissipation holes, and the air drives the heat in the device to be dissipated to the outside of the device when flowing.
When the device is installed, the adjusting rod is pressed tightly to drive the positioning pin to press the spring downwards, when the base slides to a corresponding position on the installation strip, the adjusting rod is loosened, the spring is reset to drive the positioning pin to extrude a boss of the installation strip, and the device is positioned by utilizing the elasticity of the spring; during the dismantlement, compress tightly the regulation pole, can loosen the regulation pole until the base is followed the mounting bar roll-off completely.
The utility model discloses there is following beneficial effect: by integrating residual current detection and temperature detection, the workload of construction maintainers is greatly reduced, the working efficiency is improved, and the safe operation of equipment is guaranteed; the positioning mechanism is arranged, and the elastic force of the spring is utilized for positioning, so that the installation and the disassembly are convenient; the positioning hole is arranged, so that the positioning pin is inserted into the positioning hole, and the positioning strength is increased; the heat dissipation holes are arranged to form an air channel relative to the heat dissipation holes, and the air drives the heat in the device to be dissipated to the outside of the device when flowing, so that the heat dissipation of the device is facilitated; the processing module and the residual current detection circuit are overhead, and the device is favorable for self heat dissipation.
Claims (8)
1. An electric fire monitor convenient to disassemble and assemble comprises a shell (1) and a base (2) fixedly connected with the shell (1), and is characterized in that the base (2) is connected with a mounting strip (3) in a sliding manner, the base (2) is provided with a mounting groove, one side of the mounting groove is provided with a limiting strip (4), the mounting strip (3) is provided with a boss, one side of the boss close to the limiting strip (4) is provided with a limiting groove (5), the limiting strip (4) is clamped in the limiting groove (5), the right end of one side of the mounting groove opposite to the limiting strip (4) is provided with a positioning mechanism, a cavity formed by the shell (1) and the base (2) is internally provided with a processing module (6) and a residual current detection circuit (7), the processing module (6) is electrically connected with the residual current detection circuit (7), the shell (1) is provided with a current detection hole (8) and a temperature detection hole (9, the residual current detection circuit (7) is connected with the protection circuit through a current detection hole (8), and the processing module (6) is connected with an external temperature sensor (10) through a temperature detection hole (9).
2. The electrical fire monitor convenient to disassemble and assemble according to claim 1, wherein the casing (1) is provided with a data transmission serial port (11), and the data transmission serial port (11) is electrically connected with the processing module (6).
3. The electrical fire monitor convenient to disassemble and assemble according to claim 1, wherein a sound groove (12) and a light groove (13) are formed in the shell (1), a display screen (14) is embedded in the shell (1), an audible and visual alarm (15) is fixed on the inner wall of the shell (1), and the display screen (14) and the audible and visual alarm (15) are electrically connected with the processing module (6).
4. An electric fire monitor convenient to disassemble and assemble according to claim 1, wherein the base (2) is provided with a first limiting column (16), the inner wall of the shell (1) is provided with a second limiting column (17), a circuit board (18) is arranged between the first limiting column (16) and the second limiting column (17), and the processing module (6) and the residual current detection circuit (7) are fixed on the circuit board (18).
5. An electrical fire monitor convenient to disassemble and assemble according to claim 4, wherein the casing (1) is provided with heat dissipation holes (24) on the periphery.
6. The electrical fire monitor convenient to disassemble and assemble as claimed in claim 1, wherein the positioning mechanism comprises a spring groove (19), a spring (20), a positioning pin (21), an adjusting groove (22) and an adjusting rod (23), one end of the spring (20) is fixed at the bottom of the spring groove (19), the other end of the spring is fixed with one end of the positioning pin (21), the adjusting rod (23) is vertically fixed with the positioning pin (21), and the adjusting rod (23) is slidably connected in the adjusting groove (22).
7. An electrical fire monitor according to claim 6, wherein the end face of the adjusting rod (23) is provided with a transverse extension.
8. The electrical fire monitor convenient to disassemble and assemble as claimed in claim 6, wherein the boss of the mounting bar (3) is provided with a plurality of positioning holes at one side close to the positioning pins (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020856741.0U CN212256513U (en) | 2020-05-20 | 2020-05-20 | Make things convenient for electric fire monitor of dismouting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020856741.0U CN212256513U (en) | 2020-05-20 | 2020-05-20 | Make things convenient for electric fire monitor of dismouting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212256513U true CN212256513U (en) | 2020-12-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020856741.0U Active CN212256513U (en) | 2020-05-20 | 2020-05-20 | Make things convenient for electric fire monitor of dismouting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212256513U (en) |
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2020
- 2020-05-20 CN CN202020856741.0U patent/CN212256513U/en active Active
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