CN216981195U - Switch cabinet - Google Patents
Switch cabinet Download PDFInfo
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- CN216981195U CN216981195U CN202220075232.3U CN202220075232U CN216981195U CN 216981195 U CN216981195 U CN 216981195U CN 202220075232 U CN202220075232 U CN 202220075232U CN 216981195 U CN216981195 U CN 216981195U
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- 238000009434 installation Methods 0.000 claims abstract description 57
- 238000012544 monitoring process Methods 0.000 claims abstract description 54
- 238000005192 partition Methods 0.000 claims abstract description 37
- 230000005540 biological transmission Effects 0.000 claims description 30
- 239000003990 capacitor Substances 0.000 claims description 15
- 125000006850 spacer group Chemical group 0.000 claims description 14
- 238000001514 detection method Methods 0.000 description 5
- 230000002159 abnormal effect Effects 0.000 description 4
- 239000004020 conductor Substances 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 230000015556 catabolic process Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000009529 body temperature measurement Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004870 electrical engineering Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000016507 interphase Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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Abstract
The utility model provides a switch cabinet, which comprises a cabinet body, wherein the cabinet body comprises an electric appliance cavity and an installation cavity, a plurality of electric appliance elements are installed in the electric appliance cavity, and the switch cabinet also comprises: the installation partition plate is positioned between the electric appliance chamber and the installation chamber; the heat monitoring component is arranged on the first side surface of the installation partition plate so as to monitor the heat energy information of each electrical appliance element through the heat monitoring component, and the first side surface faces the electrical appliance cavity; the electric energy receiving assembly is arranged on the first side surface of the mounting partition plate, and the heat monitoring component is connected with the electric energy receiving assembly; and the power transmitting assembly is arranged on the second side surface of the mounting partition plate, at least part of the power transmitting assembly is coaxially arranged with the power receiving assembly so as to transmit power to the power receiving assembly through the power transmitting assembly, and the second side surface faces the mounting chamber. The utility model solves the problem that the temperature of equipment in the gas box of the gas-filled cabinet can not be monitored globally in real time in the prior art.
Description
Technical Field
The utility model relates to the technical field of monitoring of the internal temperature of an electrical cabinet, in particular to a switch cabinet.
Background
In the electrical engineering field, aerify the inside equipment temperature variation of cabinet gas tank and can exert an influence to equipment operation, when equipment intensification exceedes normal range, influence the reliability and the stability of the inside equipment operation of gas tank, consequently need carry out real-time detection to the temperature in the gas tank.
In the prior art, temperature measurement is mainly performed through a wireless temperature measuring belt placed or bound on a bus conductor, and temperature data are transmitted back to a relay protection device placed on a cabinet door through an antenna, so that the temperature in the gas box is monitored.
However, the temperature measuring devices such as the wireless temperature measuring band are directly fixed on the bus conductor, so that the insulation distance of the conductor is occupied, and meanwhile, the induction capacitor device adopted by the wireless temperature measuring band contains sharp components such as polar plates, so that the gas tank is compact in internal structure, and when the equipment is installed on the conductor, insulation failure is easy to occur, and serious accidents such as point discharge and even interphase breakdown are caused when the voltage level is higher; in addition, the wireless temperature measuring belt can only measure the temperature of a certain point below the wireless temperature measuring belt, the measured result is related to the position of the temperature measuring belt, when abnormal temperature rise occurs, the specific position of an abnormal heat source cannot be determined, the condition of internal equipment caused by heating cannot be visually observed, equipment in the gas box cannot be globally monitored, and the maintenance and detection of the equipment in the gas box by operators are affected.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide a switch cabinet, which solves the problem that the temperature of equipment in an air box of an inflatable cabinet cannot be globally monitored in real time in the prior art.
In order to achieve the above object, the present invention provides a switch cabinet, including a cabinet body, the cabinet body includes an electrical appliance cavity and an installation cavity, a plurality of electrical appliance elements are installed in the electrical appliance cavity, the switch cabinet further includes: the installation partition plate is positioned between the electric appliance chamber and the installation chamber; the heat monitoring component is arranged on the first side surface of the installation partition plate so as to monitor the heat energy information of each electrical element through the heat monitoring component, and the first side surface faces the electrical chamber; the electric energy receiving assembly is arranged on the first side surface of the installation partition plate, and the heat monitoring component is connected with the electric energy receiving assembly; the power transmitting assembly is arranged on the second side face of the mounting partition plate, at least part of the power transmitting assembly is coaxially arranged with the power receiving assembly so as to transmit power to the power receiving assembly through the power transmitting assembly, and the second side face faces the mounting cavity.
Further, the power receiving assembly includes a receiver coil mounted on the first side of the mounting spacer, the receiver coil being connected to the heat monitoring component.
Further, the power transmitting assembly includes: and the transmitting coil is arranged on the second side surface of the mounting partition plate, and the transmitting coil and the receiving coil are coaxially arranged.
Further, the power receiving assembly further includes: a rectifier mounted on the first side of the mounting partition, the rectifier being connected to the receiving coil and the heat monitoring unit, respectively; and the receiving end resonance capacitor is respectively connected with the receiving coil and the rectifier.
Further, the power transmitting assembly further includes: an inverter mounted on the second side of the mounting spacer, the inverter being connected to the transmitting coil; and the transmitting end resonant capacitor is respectively connected with the inverter and the transmitting coil.
Further, the heat monitoring part includes: an infrared camera mounted on the first side of the mounting spacer; and the image transmission module is installed on the first side surface of the installation partition plate and connected with the infrared camera so as to transmit the heat energy distribution image of each electrical component through the image transmission module.
Further, the cubical switchboard still includes: and the relay protection device is arranged on the inner wall of the installation chamber and connected with the image transmission module, and is used for receiving the heat energy distribution image information of the image transmission module.
Further, the switch cabinet further comprises a display panel, wherein the display panel is installed on the outer wall of the installation chamber and connected with the relay protection device, so that the display panel displays the heat energy distribution image of each electrical element.
Further, the cabinet body still includes: the cabinet door is arranged at the opening of the installation cavity and can be arranged in an opening and closing manner relative to the installation cavity so as to open or close the installation cavity; the relay protection device is installed on the terminal surface of the cabinet door towards the installation cavity, and the display panel is installed on the terminal surface of the cabinet door away from the installation cavity.
Further, the cubical switchboard still includes: the alarm module is installed on the outer wall surface of the cabinet body and connected with the heat monitoring component, and when the heat monitored by the heat monitoring component reaches a preset value, the alarm module sends out an alarm signal.
By applying the technical scheme, the switch cabinet provided by the utility model comprises a cabinet body, wherein the cabinet body comprises an electric appliance cavity and an installation cavity, a plurality of electric appliance elements are installed in the electric appliance cavity, the switch cabinet also comprises an installation partition plate, a heat monitoring part, an electric energy receiving assembly and an electric energy sending assembly, and the installation partition plate is positioned between the electric appliance cavity and the installation cavity; the heat monitoring component is arranged on the first side surface of the installation partition plate so as to monitor the heat energy information of each electrical element through the heat monitoring component; the electric energy receiving assembly is arranged on the first side surface of the mounting partition plate, and the heat monitoring component is connected with the electric energy receiving assembly; the power transmitting assembly is arranged on the second side face of the mounting partition plate, at least part of the power transmitting assembly is arranged coaxially with the power receiving assembly so as to transmit power to the power receiving assembly through the power transmitting assembly, and the second side face faces the mounting cavity. The heating condition of each electrical element in the electrical cavity is detected in real time through the heat monitoring component, the heat monitoring component in the electrical cavity is powered through an external power supply, the influence on the electrical elements in the electrical cavity is avoided, and the overall detection on each electrical element in the electrical cavity is convenient.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model. In the drawings:
fig. 1 shows a first view of a switchgear cabinet according to the utility model;
fig. 2 shows a second view of the switchgear cabinet according to the utility model;
fig. 3 shows a schematic representation of the control circuit of the switchgear cabinet of the utility model.
Wherein the figures include the following reference numerals:
1. a cabinet body; 10. installing a partition plate; 11. an appliance chamber; 12. installing a chamber; 13. a cabinet door; 2. a heat monitoring component; 20. an infrared camera; 21. an image transmission module; 3. a power receiving assembly; 30. a receiving coil; 31. a rectifier; 32. a receiving end resonance capacitor; 4. a power transmitting assembly; 40. a transmitting coil; 41. an inverter; 42. a transmitting end resonance capacitor; 5. a relay protection device; 6. a display panel; 7. and an alarm module.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
The utility model provides a switch cabinet, please refer to fig. 1 to 3, which includes a cabinet body 1, the cabinet body 1 includes an electrical appliance chamber 11 and an installation chamber 12, a plurality of electrical appliance elements are installed in the electrical appliance chamber 11, the switch cabinet further includes: a mounting partition 10 located between the appliance chamber 11 and the mounting chamber 12; a heat monitoring part 2 disposed on a first side of the installation partition 10 to monitor thermal energy information of each electrical component through the heat monitoring part 2, the first side facing the electrical chamber 11; a power receiving module 3 provided on a first side of the installation partition 10, the heat monitoring part 2 being connected to the power receiving module 3; and a power transmission module 4 disposed on a second side of the mounting partition 10, at least a portion of the power transmission module 4 being disposed coaxially with the power reception module 3 to transmit power to the power reception module 3 through the power transmission module 4, the second side facing the mounting chamber 12.
The switch cabinet provided by the utility model comprises a cabinet body 1, wherein the cabinet body 1 comprises an electric appliance cavity 11 and an installation cavity 12, a plurality of electric appliance elements are installed in the electric appliance cavity 11, the switch cabinet also comprises an installation partition plate 10, a heat monitoring component 2, an electric energy receiving component 3 and an electric energy sending component 4, and the installation partition plate 10 is positioned between the electric appliance cavity 11 and the installation cavity 12; the heat monitoring part 2 is disposed on a first side of the mounting spacer 10 to monitor thermal energy information of each electrical component through the heat monitoring part 2; the power receiving module 3 is arranged on the first side surface of the installation partition plate 10, and the heat monitoring part 2 is connected with the power receiving module 3; the power transmission module 4 is disposed on a second side of the mounting partition 10, at least a portion of the power transmission module 4 being disposed coaxially with the power reception module 3 to transmit power to the power reception module 3 through the power transmission module 4, the second side facing the mounting chamber 12. The heating condition of each electrical element in the electrical cavity 11 is detected in real time through the heat monitoring component 2, and the heat monitoring component 2 in the electrical cavity 11 is powered through an external power supply, so that the influence on the electrical elements in the electrical cavity 11 is avoided, and the overall detection on each electrical element in the electrical cavity 11 is facilitated.
As shown in fig. 1 and 2, the heat monitoring component 2 and the electric energy receiving component 3 are arranged on the first side surface of the installation partition plate 10, and the electric energy sending component 4 is arranged on the second side surface of the installation partition plate 10, so that the heat monitoring component 2 can be far away from an electric appliance element, the risk of accidents such as creepage or breakdown caused by additionally arranging parts in the electric appliance cavity 11 is reduced, and the safety and reliability of insulativity are effectively ensured while temperature monitoring is realized.
Wherein the power receiving module 3 includes a receiving coil 30, the receiving coil 30 is mounted on the first side surface of the mounting spacer 10, and the receiving coil 30 is connected to the heat monitoring part 2; the power transmission assembly 4 includes: and a transmitting coil 40 mounted on the second side of the mounting spacer 10, the transmitting coil 40 being disposed coaxially with the receiving coil 30. The receiving coil 30 and the transmitting coil 40 are coupled by a magnetic field, and the receiving coil 30 supplies power to the heat monitoring unit 2 by using the principle of magnetic induction.
Further, the power receiving module 3 further includes: a rectifier 31 installed on a first side surface of the installation spacer 10, the rectifier 31 being connected to the receiving coil 30 and the heat monitoring part 2, respectively; the receiving-end resonant capacitor 32 is connected to the receiving coil 30 and the rectifier 31, respectively. In order to ensure that the wireless power transmission has higher transmission efficiency, a resonant network formed by the resonant capacitor 32 and the inductor at the receiving end has the same frequency as that set in the power transmitting assembly 4, the receiving coil 30 is connected with the rectifying circuit and the filtering circuit, and is rectified into direct current voltage through the rectifying circuit and the filtering circuit so as to be used by the heat monitoring component 2.
In the embodiment provided by the present invention, the power transmission assembly 4 further includes: an inverter 41 mounted on the second side of the mounting spacer 10, the inverter 41 being connected to the transmitting coil 40; the transmitting end resonant capacitor 42, the transmitting end resonant capacitor 42 is connected to the inverter 41 and the transmitting coil 40, respectively. The inverter 41 uses a small direct current bus as an input power source, and the transmitting coil 40 is connected in series with the transmitting end resonant capacitor 42 to form a magnetic field passing through the mounting partition plate 10, so as to realize non-contact power supply for the heat monitoring component 2, wherein the inverter 41 is a single-phase bridge inverter.
In the implementation, the heat monitoring unit 2 includes: an infrared camera 20 installed on a first side of the installation spacer 10; and an image transmission module 21 installed on the first side of the installation partition 10 and connected with the infrared camera 20 to transmit the thermal energy distribution image of each electrical component through the image transmission module 21. Through the infrared camera 20, non-contact global detection of each electrical element can be realized, when abnormal temperature rise occurs, the fault position can be directly observed through a video, the highest point of the temperature is automatically positioned, the temperature of each part is more visual, the real-time state of the temperature and the mechanical structure of each part can be directly observed, and the monotonicity of only transmitting temperature data is avoided.
As shown in fig. 1, the switchgear further includes: the relay protection device 5 is installed on the inner wall of the installation chamber 12 and connected with the image transmission module 21, and the relay protection device 5 is used for receiving the heat energy distribution image information of the image transmission module 21; and a display panel 6 installed on an outer wall of the installation chamber 12 and connected with the relay protection device 5 to display a heat energy distribution image of each electrical component through the display panel 6. The relay protection device 5 is used for controlling the operation of the heat monitoring component 2 on one hand and receiving the image returned by the infrared camera 20 on the other hand, and transmitting the image to the display panel 6 for display.
In order to make things convenient for operating personnel to observe the information that the heat distributes, cabinet body 1 still includes: a cabinet door 13 installed at an opening of the installation chamber 12, the cabinet door 13 being openably and closably provided with respect to the installation chamber 12 to open or close the installation chamber 12; the relay protection device 5 is installed on a first end face of the cabinet door 13 facing the installation chamber 12, and the display panel 6 is installed on a second end face of the cabinet door 13 far away from the installation chamber 12. The first end face and the second end face are oppositely arranged, wherein a plane where the first end face is located is an inner wall face of the installation cavity 12, and a plane where the second end face is located is an outer wall face of the installation cavity 12. Set up like this and be favorable to electric energy sending subassembly 4 to protect, cabinet door 13 can set up with opening and shutting simultaneously, conveniently maintains or changes spare part.
Wherein, the cubical switchboard still includes: the alarm module 7 is installed on the outer wall surface of the cabinet body 1, the alarm module 7 is connected with the heat monitoring part 2, and when the heat monitored by the heat monitoring part 2 reaches a preset value, the alarm module 7 sends out an alarm signal. The alarm module 7 is connected with the relay protection device 5, and when the relay protection device 5 receives the abnormal temperature rise signal, the signal is transmitted to the alarm module 7 to remind an operator.
As shown in fig. 3, which is a schematic circuit diagram of a switch cabinet, input power sources of a relay protection device 5 and an inverter 41 are from a secondary side power supply bus of a gas-filled cabinet, the relay protection device 5 sends a control signal to an electric energy sending component 4, the inverter is driven by a PWM (pulse width modulation) wave to output a high-frequency alternating voltage, a transmitting end resonant capacitor 42 and a transmitting coil 40 generate resonance at the same frequency, the transmitting coil 40 generates a magnetic field at the same frequency, the magnetic field crosses a mounting partition plate 10, and induced electromotive force is formed in a receiving coil 30, so that a process of wirelessly transmitting electric energy outside an electric appliance chamber to the inside of the gas tank in the form of the magnetic field is realized, the receiving end resonant capacitor 32 and the receiving coil 30 develop resonance at the same resonance frequency of the inverter 41 at the sending end and input into a rectifier 31, and convert the resonance into linear voltage, and input into an infrared camera 20 and an image transmission module 21 respectively, the image containing the temperature information collected by the infrared camera 20 is transmitted to the relay protection device 5 via the image transmission module 21 in the communication frequency band, and is displayed on the display panel 6.
From the above description, it can be seen that the above-described embodiments of the present invention achieve the following technical effects:
the switch cabinet provided by the utility model comprises a cabinet body 1, wherein the cabinet body 1 comprises an electric appliance cavity 11 and an installation cavity 12, a plurality of electric appliance elements are installed in the electric appliance cavity 11, the switch cabinet also comprises an installation partition plate 10, a heat monitoring component 2, an electric energy receiving component 3 and an electric energy sending component 4, and the installation partition plate 10 is positioned between the electric appliance cavity 11 and the installation cavity 12; the heat monitoring part 2 is disposed on a first side of the mounting spacer 10 to monitor thermal energy information of each electrical component through the heat monitoring part 2; the power receiving module 3 is arranged on the first side surface of the installation partition plate 10, and the heat monitoring part 2 is connected with the power receiving module 3; the power transmission module 4 is disposed on a second side of the mounting partition 10, at least a portion of the power transmission module 4 being disposed coaxially with the power reception module 3 to transmit power to the power reception module 3 through the power transmission module 4, the second side facing the mounting chamber 12. The heating condition of each electrical element in the electrical cavity 11 is detected in real time through the heat monitoring component 2, and the heat monitoring component 2 in the electrical cavity 11 is powered through an external power supply, so that the influence on the electrical elements in the electrical cavity 11 is avoided, and the overall detection on each electrical element in the electrical cavity 11 is facilitated.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a switch cabinet, includes the cabinet body (1), the cabinet body (1) includes electrical apparatus cavity (11) and installation cavity (12), install a plurality of electrical components in electrical apparatus cavity (11), its characterized in that, switch cabinet still includes:
a mounting partition (10) located between the appliance chamber (11) and the mounting chamber (12);
a heat monitoring part (2) disposed on a first side of the mounting partition (10) to monitor thermal energy information of each of the electrical components through the heat monitoring part (2), the first side facing the electrical chamber (11);
a power receiving module (3) disposed on a first side of the mounting partition (10), the heat monitoring component (2) being connected to the power receiving module (3);
a power transmitting assembly (4) disposed on a second side of the mounting bulkhead (10), at least a portion of the power transmitting assembly (4) being disposed coaxially with the power receiving assembly (3) to transmit power to the power receiving assembly (3) through the power transmitting assembly (4), the second side facing the mounting chamber (12).
2. A switchgear cabinet according to claim 1, characterized in that the power receiving assembly (3) comprises a receiving coil (30), the receiving coil (30) being mounted on a first side of the mounting bulkhead (10), the receiving coil (30) being connected to the heat monitoring component (2).
3. Switchgear cabinet according to claim 2, characterized in that said power transmission assembly (4) comprises:
a transmitting coil (40) mounted on a second side of the mounting spacer (10), the transmitting coil (40) being disposed coaxially with the receiving coil (30).
4. A switchgear cabinet according to claim 3, characterized in that the power receiving assembly (3) further comprises:
a rectifier (31) mounted on a first side of the mounting spacer (10), the rectifier (31) being connected to the receiving coil (30) and the heat monitoring component (2), respectively;
and the receiving end resonance capacitor (32) is respectively connected with the receiving coil (30) and the rectifier (31).
5. A switchgear cabinet according to claim 3, characterized in that the power transmission assembly (4) further comprises:
an inverter (41) mounted on a second side of the mounting spacer (10), the inverter (41) being connected to the transmitting coil (40);
a transmitting end resonant capacitor (42), the transmitting end resonant capacitor (42) being connected to the inverter (41) and the transmitting coil (40), respectively.
6. Switchgear cabinet according to claim 1, characterized in that the heat monitoring means (2) comprise:
an infrared camera (20) mounted on a first side of the mounting bulkhead (10);
an image transmission module (21) mounted on a first side of the mounting spacer (10) and connected with the infrared camera (20) to transmit a thermal energy distribution image of each of the electrical components through the image transmission module (21).
7. The switchgear cabinet according to claim 6, further comprising:
the relay protection device (5) is installed on the inner wall of the installation chamber (12) and connected with the image transmission module (21), and the relay protection device (5) is used for receiving the heat energy distribution image information of the image transmission module (21).
8. The switchgear cabinet according to claim 7, further comprising:
and the display panel (6) is installed on the outer wall of the installation chamber (12) and connected with the relay protection device (5) so as to display the heat energy distribution image of each electrical element through the display panel (6).
9. The switchgear cabinet according to claim 8, characterized in that said cabinet body (1) further comprises:
a cabinet door (13) installed at an opening of the installation chamber (12), the cabinet door (13) being openably and closably provided with respect to the installation chamber (12) to open or close the installation chamber (12);
the relay protection device (5) is installed on the end face, facing the installation cavity (12), of the cabinet door (13), and the display panel (6) is installed on the end face, far away from the installation cavity (12), of the cabinet door (13).
10. The switchgear cabinet according to claim 1, characterized in that the switchgear cabinet further comprises:
the alarm module (7) is installed on the outer wall surface of the cabinet body (1), the alarm module (7) is connected with the heat monitoring part (2), and when the heat monitored by the heat monitoring part (2) reaches a preset value, the alarm module (7) sends out an alarm signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220075232.3U CN216981195U (en) | 2022-01-12 | 2022-01-12 | Switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220075232.3U CN216981195U (en) | 2022-01-12 | 2022-01-12 | Switch cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216981195U true CN216981195U (en) | 2022-07-15 |
Family
ID=82351320
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220075232.3U Active CN216981195U (en) | 2022-01-12 | 2022-01-12 | Switch cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216981195U (en) |
-
2022
- 2022-01-12 CN CN202220075232.3U patent/CN216981195U/en active Active
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