CN213425545U - Load monitoring box capable of adjusting temperature - Google Patents
Load monitoring box capable of adjusting temperature Download PDFInfo
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- CN213425545U CN213425545U CN202021895787.XU CN202021895787U CN213425545U CN 213425545 U CN213425545 U CN 213425545U CN 202021895787 U CN202021895787 U CN 202021895787U CN 213425545 U CN213425545 U CN 213425545U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02B90/20—Smart grids as enabling technology in buildings sector
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
- Y04S20/242—Home appliances
- Y04S20/244—Home appliances the home appliances being or involving heating ventilating and air conditioning [HVAC] units
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/126—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wireless data transmission
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Abstract
The utility model discloses a load monitoring box that can adjust temperature relates to load monitoring box technical field, for solving current load monitoring box, because its effect of adjusting temperature can not feed back in real time, causes the staff to maintain the problem that can not in time discover to solve the trouble that can not have the hysteresis quality. The utility model discloses a temperature monitoring device for the automobile, including casing, support column, monitoring report printer, heat extraction air valve, communication antenna, bottom exhaust hole, temperature sensor and light, the lower extreme four corners of casing all is provided with the support column, the upper end of casing is provided with the monitoring report printer, the inside of casing is provided with monitoring circuit board, the lower extreme of casing is provided with attemperator, shells inner wall both sides all are provided with load device and detect the support, the outer wall both sides upper end of casing all is provided with heat extraction air valve, heat extraction air valve's below is provided with communication antenna, the inside bottom exhaust hole that is provided with of lower extreme.
Description
Technical Field
The utility model relates to a load monitoring box technical field specifically is a load monitoring box that can adjust temperature.
Background
The load box is a power supply detection device, mainly used for carrying out load detection and maintenance on a generator, an Uninterruptible Power Supply (UPS) and power transmission equipment, and is a tool device for periodically testing and maintaining the generator set and the UPS. The use of the device avoids economic loss caused by starting of a standby unit or a power supply or failure of initial use, and also provides scientific basis for detection of the loading capacity of a new unit. The resistor/inductor/capacitor type automatic load cabinet is a novel simulation load developed specially for experiment, aging, electrical parameter performance test and maintenance of high-power alternating-current power supply equipment such as UPS and the like. And detecting the performance of the alternating current power supply when different loads are connected. The resistance load box is mainly used for performance detection, aging and other occasions of online high-power UPS, inverters, switching power supplies and diesel generating sets in departments of electric power, telecommunication and the like and manufacturers. The sectional power input and the energy consumption type working mode are unified, and the forced air-cooled heat dissipation greatly ensures the reliability of constant-power discharge.
However, the existing load monitoring box cannot feed back the temperature adjusting effect in real time, so that the problem that the fault cannot be found and solved in time due to the hysteresis of the maintenance of the working personnel is caused; therefore, the existing requirements are not met, and a load monitoring box capable of adjusting temperature is provided for the requirement.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a load monitoring box that can adjust temperature to solve the current load monitoring box that proposes in the above-mentioned background art, because its effect of adjusting temperature can not feed back in real time, cause the staff to maintain the problem that can not in time discover to solve the trouble that can not have the hysteresis quality.
In order to achieve the above object, the utility model provides a following technical scheme: a temperature-adjustable load monitoring box comprises a shell, wherein supporting columns are arranged at four corners of the lower end of the shell and are connected with the shell in a welded mode, a monitoring report printer is arranged at the upper end of the shell and is connected with a shell bolt, a monitoring circuit board is arranged inside the shell and is connected with the inner wall of the shell in a bolt mode, a temperature adjusting device is arranged at the lower end of the shell and is connected with the shell in a welded mode, load device detecting supports are arranged on two sides of the inner wall of the shell and are connected with the shell bolt, heat exhaust valves are arranged at the upper ends of two sides of the outer wall of the shell and are connected with the shell in a welded mode, a communication antenna is arranged below the heat exhaust valves and is connected with the outer wall of the shell in a bolt mode, and the communication antenna is electrically connected with the monitoring circuit board, the inside bottom exhaust hole that is provided with of lower extreme of casing, and bottom exhaust hole and casing integrated into one piece set up, the inside upper end of casing is provided with temperature sensor and light respectively, and temperature sensor, light and the equal bolted connection of casing, inner wall one side lower extreme of casing is provided with humidity transducer, and humidity transducer and shells inner wall bolted connection, and the equal electric connection of monitor report printer, temperature sensor, light, attemperator and supervisory circuit board.
Preferably, the lower extreme of attemperator is provided with the attemperator, and attemperator and casing welded connection, the inside of attemperator is provided with the fan, and fan and attemperator welded connection, attemperator's upper end is provided with the inside casing of fan, and the inside casing of fan and casing bolted connection, the upper end of the inside casing of fan is provided with the fan electric heat net, and fan electric heat net, fan all with monitor circuit board electric connection.
Preferably, the inside of casing is provided with the hot plate, and hot plate and casing inner wall bolted connection, the center of hot plate is provided with the electric heat net, and electric heat net and hot plate welded connection, and hot plate and monitoring circuit board electric connection.
Preferably, the front end of casing is provided with control screen and automatically controlled panel respectively, and control screen, automatically controlled panel and the equal bolted connection of casing, and control screen, automatically controlled panel and the equal electric connection of monitoring circuit board.
Preferably, the outer wall of the monitoring circuit board is provided with a heat dissipation copper sheet, and the heat dissipation copper sheet is connected with the monitoring circuit board in a welding mode.
Preferably, the lower ends of the two sides of the outer wall of the shell are provided with external radiating fins, and the external radiating fins are connected with the shell in a welding mode.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses a temperature sensor, the light, humidity transducer, the monitoring circuit board, attemperator, the monitoring screen, the setting of electric heat net, when temperature sensor detects the high temperature, it sends the signal to the monitoring circuit board, the monitoring circuit board shows data on the monitoring screen in real time, and the fan on the attemperator of monitoring circuit board control starts, blow to the quick-witted incasement, greatly reduce the temperature in the machine case, the fan inhales the outside air from the air inlet net and blows off the cooling machine incasement temperature from the fan electric heat net again, the hot-air can be discharged from the hot exhaust valve of casing both sides by the air current that blows off, reach the function of real-time cooling, when the temperature is in safe range, can carry out passive heat dissipation through outside fin and reduce the power consumption, energy saving and emission reduction, when humidity transducer detects the moisture is too big, monitoring circuit board control fan blows in the air and the fan electric heat the air that blows, and electric heat net heating shell inner wall has greatly reduced quick-witted incasement portion's moisture, has reduced the fault rate to various data real time transmission show on the control screen, when detecting that the temperature crosses low the start-up of control circuit board control electric heat net, keep quick-witted incasement portion temperature, prevent that steam from condensing and causing the equipment short circuit.
2. Through the monitoring circuit board, the control screen, automatically controlled panel, communication antenna, the setting of control report printer, the monitoring circuit board can show the detected data of each sensor on the control screen in real time, but the work of automatically controlled panel manual control quick-witted incasement tempering equipment satisfies the special condition and uses, and communication antenna can give the backstage in order to monitor with real time monitoring's data remote transmission, the current load monitoring case has been solved, because its effect of adjusting the temperature can not the real-time feedback, cause the staff to maintain to have the problem that the trouble can not in time be found to the hysteresis quality, and the mode record that the control report printer can be printed the detected data through the paper, make things convenient for the statistics of gathering of measurement personnel, greatly reduced the loaded down with trivial details of detection work, reduce working strength and improve detection efficiency.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic external structural view of the present invention;
FIG. 3 is a partial enlarged view of the point A of the present invention;
in the figure: 1. a housing; 2. a support pillar; 3. a monitoring report printer; 4. monitoring the circuit board; 5. a heat dissipation copper sheet; 6. a temperature adjusting device; 7. a load device detection bracket; 8. a heat exhaust air valve; 9. a communication antenna; 10. a bottom vent hole; 11. an external heat sink; 12. a temperature sensor; 13. an illuminating lamp; 14. heating plates; 15. an electric heating net; 16. a humidity sensor; 17. a monitor screen; 18. an electric control panel; 19. a temperature regulating box; 20. a fan; 21. an air inlet net; 22. a fan inner housing; 23. and a fan electric heating net.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-3, the present invention provides an embodiment: a temperature-adjustable load monitoring box comprises a shell 1, wherein supporting columns 2 are arranged at four corners of the lower end of the shell 1, the supporting columns 2 are connected with the shell 1 in a welded mode, a monitoring report printer 3 is arranged at the upper end of the shell 1, the monitoring report printer 3 is connected with the shell 1 through bolts, a monitoring circuit board 4 is arranged inside the shell 1, the monitoring circuit board 4 is connected with the inner wall of the shell 1 through bolts, a temperature adjusting device 6 is arranged at the lower end of the shell 1, the temperature adjusting device 6 is connected with the shell 1 in a welded mode, load device detecting supports 7 are arranged on two sides of the inner wall of the shell 1, the load device detecting supports 7 are connected with the shell 1 through bolts, heat exhaust valves 8 are arranged at the upper ends of two sides of the outer wall of the shell 1, the heat exhaust valves 8 are connected with the shell 1 in a welded mode, a communication antenna 9 is, and communication antenna 9 and monitoring circuit board 4 electric connection, the inside bottom exhaust hole 10 that is provided with of lower extreme of casing 1, and bottom exhaust hole 10 sets up with casing 1 integrated into one piece, the inside upper end of casing 1 is provided with temperature sensor 12 and light 13 respectively, and temperature sensor 12, light 13 and the equal bolted connection of casing 1, inner wall one side lower extreme of casing 1 is provided with humidity transducer 16, and humidity transducer 16 and the bolted connection of casing 1 inner wall, and the equal electric connection of control report printer 3, temperature sensor 12, light 13, attemperator 6 and monitoring circuit board 4.
Further, a temperature adjusting box 19 is arranged at the lower end of the temperature adjusting device 6, the temperature adjusting box 19 is connected with the shell 1 in a welding mode, a fan 20 is arranged inside the temperature adjusting box 19, the fan 20 is connected with the temperature adjusting box 19 in a welding mode, a fan inner shell 22 is arranged at the upper end of the temperature adjusting device 6, the fan inner shell 22 is connected with the shell 1 through bolts, a fan electric heating net 23 is arranged at the upper end of the fan inner shell 22, the fan electric heating net 23 and the fan 20 are both electrically connected with the monitoring circuit board 4, when the temperature sensor 12 detects that the temperature is too high, signals are sent to the monitoring circuit board 4, the monitoring circuit board 4 displays data on the monitoring screen 17 in real time, the monitoring circuit board 4 controls the fan 20 on the temperature adjusting device 6 to start and blow air into the case, the temperature in the case is greatly reduced, the fan 20 sucks external air from the net 21 and blows the air out of the fan electric heating net 23, the hot air can be discharged from the heat exhaust air valves 8 at the two sides of the shell 1 by the blown air flow, so that the function of real-time cooling is achieved.
Further, the inside of casing 1 is provided with hot plate 14, and hot plate 14 and 1 inner wall bolted connection of casing, and the center of hot plate 14 is provided with electric heat net 15, and electric heat net 15 and hot plate 14 welded connection, and hot plate 14 and monitoring circuit board 4 electric connection, and hot plate 14 is used for heating 1 inner wall of casing, reaches the effect of heating dehumidification.
Further, the front end of casing 1 is provided with control screen 17 and automatically controlled panel 18 respectively, and control screen 17, automatically controlled panel 18 and the equal bolted connection of casing 1, and control screen 17, automatically controlled panel 18 and the equal electric connection of monitoring circuit board 4, and control screen 17 can be with real-time supervision's data display on the screen to make things convenient for the more audio-visual work of detecting that detects of measurement personnel.
Further, the outer wall of the monitoring circuit board 4 is provided with the heat dissipation copper sheet 5, the heat dissipation copper sheet 5 is connected with the monitoring circuit board 4 in a welding mode, the heat dissipation copper sheet 5 increases the heat dissipation area of the monitoring circuit board 4, passive heat dissipation efficiency of the monitoring circuit board 4 is greatly improved, working temperature of the monitoring circuit board 4 is reduced, and working stability of the monitoring circuit board is improved.
Further, the lower ends of two sides of the outer wall of the shell 1 are respectively provided with an external radiating fin 11, the external radiating fins 11 are connected with the shell 1 in a welding mode, and the external radiating fins 11 are used for expanding the passive radiating capacity of the shell 1, reducing power consumption, saving energy and reducing emission.
The working principle is as follows: when the temperature sensor 12 detects that the temperature is too high, the temperature sensor sends a signal to the monitoring circuit board 4, the monitoring circuit board 4 displays data on the monitoring screen 17 in real time, the monitoring circuit board 4 controls the fan 20 on the temperature adjusting device 6 to start and blow air into the case, the temperature in the case is greatly reduced, the fan 20 sucks air from the air inlet net 21 into external air and blows the air out of the fan electric heating net 23 to cool the internal temperature of the case, hot air can be discharged from the heat discharging air valves 8 on the two sides of the shell 1 by blown air flow, the function of real-time temperature reduction is achieved, when the temperature is in a safe range, passive heat dissipation can be carried out through the external radiating fins 11 to reduce power consumption, energy conservation and emission reduction are achieved, when the humidity sensor 16 detects that the humidity is too high, the monitoring circuit board 4 controls the fan 20 to blow air and the fan electric heating net 23 to heat the blown air, and the, greatly reduces the moisture in the case, reduces the failure rate, and transmits and displays various data on the monitoring screen 17 in real time, when the monitoring circuit board 4 detects that the temperature is too low, the monitoring circuit board 4 controls the electric heating net 15 to start, keeps the temperature in the case, and prevents the equipment short circuit caused by water vapor condensation, the monitoring circuit board 4 can display the detection data of each sensor on the monitoring screen 17 in real time, the electric control panel 18 can manually control the work of the temperature adjusting equipment in the case to meet the special condition, the communication antenna 9 can remotely transmit the real-time monitoring data to the background for monitoring, thereby solving the problem that the fault cannot be found and solved in time due to the fact that the temperature adjusting effect cannot be fed back in real time, the monitoring report printer 3 can record the detection data in a printing mode, thereby facilitating the paper statistics of the detection personnel, the complexity of detection work is greatly reduced, the working strength is reduced, and the detection efficiency is improved.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. The utility model provides a load monitoring box that can adjust temperature, includes casing (1), its characterized in that: the device is characterized in that support columns (2) are arranged at four corners of the lower end of the shell (1), the support columns (2) are connected with the shell (1) in a welded mode, a monitoring report printer (3) is arranged at the upper end of the shell (1), the monitoring report printer (3) is connected with the shell (1) through bolts, a monitoring circuit board (4) is arranged inside the shell (1), the monitoring circuit board (4) is connected with the inner wall of the shell (1) through bolts, a temperature adjusting device (6) is arranged at the lower end of the shell (1), the temperature adjusting device (6) is connected with the shell (1) in a welded mode, load device detecting supports (7) are arranged on two sides of the inner wall of the shell (1), the load device detecting supports (7) are connected with the shell (1) through bolts, heat exhaust air valves (8) are arranged at the upper ends of two sides of the outer wall of the shell (1), a communication antenna (9) is arranged below the heat exhaust air valve (8), the communication antenna (9) is connected with the outer wall of the shell (1) through bolts, the communication antenna (9) is electrically connected with the monitoring circuit board (4), a bottom vent hole (10) is arranged inside the lower end of the shell (1), the bottom vent hole (10) and the shell (1) are integrally formed, the upper end in the shell (1) is respectively provided with a temperature sensor (12) and a lighting lamp (13), the temperature sensor (12) and the illuminating lamp (13) are connected with the shell (1) by bolts, a humidity sensor (16) is arranged at the lower end of one side of the inner wall of the shell (1), and the humidity sensor (16) is connected with the inner wall of the shell (1) through bolts, and the monitoring report printer (3), the temperature sensor (12), the illuminating lamp (13), the temperature adjusting device (6) and the monitoring circuit board (4) are electrically connected.
2. A temperature-adjustable load monitoring cabinet according to claim 1, characterized in that: the lower extreme of attemperator (6) is provided with attemperator (19), and attemperator (19) and casing (1) welded connection, the inside of attemperator (19) is provided with fan (20), and fan (20) and attemperator (19) welded connection, the upper end of attemperator (6) is provided with fan inside casing (22), and fan inside casing (22) and casing (1) bolted connection, the upper end of fan inside casing (22) is provided with fan electric heat net (23), and fan electric heat net (23), fan (20) all with monitor circuit board (4) electric connection.
3. A temperature-adjustable load monitoring cabinet according to claim 1, characterized in that: the inside of casing (1) is provided with hot plate (14), and hot plate (14) and casing (1) inner wall bolted connection, the center of hot plate (14) is provided with electric heat net (15), and electric heat net (15) and hot plate (14) welded connection, and hot plate (14) and monitoring circuit board (4) electric connection.
4. A temperature-adjustable load monitoring cabinet according to claim 1, characterized in that: the front end of casing (1) is provided with control screen (17) and automatically controlled panel (18) respectively, and control screen (17), automatically controlled panel (18) and the equal bolted connection of casing (1), and control screen (17), automatically controlled panel (18) and the equal electric connection of control circuit board (4).
5. A temperature-adjustable load monitoring cabinet according to claim 1, characterized in that: the outer wall of the monitoring circuit board (4) is provided with a heat dissipation copper sheet (5), and the heat dissipation copper sheet (5) is connected with the monitoring circuit board (4) in a welding mode.
6. A temperature-adjustable load monitoring cabinet according to claim 1, characterized in that: the lower ends of two sides of the outer wall of the shell (1) are provided with external radiating fins (11), and the external radiating fins (11) are connected with the shell (1) in a welded mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021895787.XU CN213425545U (en) | 2020-09-03 | 2020-09-03 | Load monitoring box capable of adjusting temperature |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021895787.XU CN213425545U (en) | 2020-09-03 | 2020-09-03 | Load monitoring box capable of adjusting temperature |
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| Publication Number | Publication Date |
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| CN213425545U true CN213425545U (en) | 2021-06-11 |
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| CN202021895787.XU Active CN213425545U (en) | 2020-09-03 | 2020-09-03 | Load monitoring box capable of adjusting temperature |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114878876A (en) * | 2022-05-06 | 2022-08-09 | 苏州新能先锋检测科技有限公司 | Detection probe for detecting performance of new energy battery piece and detection method thereof |
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2020
- 2020-09-03 CN CN202021895787.XU patent/CN213425545U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114878876A (en) * | 2022-05-06 | 2022-08-09 | 苏州新能先锋检测科技有限公司 | Detection probe for detecting performance of new energy battery piece and detection method thereof |
| CN114878876B (en) * | 2022-05-06 | 2024-08-16 | 苏州新能先锋检测科技有限公司 | New energy battery piece performance detection device and detection method thereof |
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