CN213515249U - High-frequency power module for cooling tower - Google Patents
High-frequency power module for cooling tower Download PDFInfo
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- CN213515249U CN213515249U CN202022440480.7U CN202022440480U CN213515249U CN 213515249 U CN213515249 U CN 213515249U CN 202022440480 U CN202022440480 U CN 202022440480U CN 213515249 U CN213515249 U CN 213515249U
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Abstract
The utility model discloses a high-frequency power supply module for a cooling tower, which comprises a machine box, wherein a circuit board is fixed in the machine box, a working power supply module, a communication box connected with the working power supply module in series and a load connected with the communication box and the working power supply module in series are electrically connected on the circuit board, the load is connected with a resistance with a variable resistance in series, and the load is connected with a load switch in series; a communication module is arranged in the communication box, the communication module comprises a voltage current detector and a conductivity tester, and one end of a resistor is connected with the output end of the communication module; the output voltage of the working power supply module is DC24V, and the load-bearing voltage of the load is DC 15-30V; the utility model discloses in, firstly, set up resistance, through the detection adjustment power output condition to quality of water, adjust DC24V power output for DC15 ~ 30V, changed the output mode of original constant voltage, when cooling circulation water quality exceeds standard, ability automatically regulated output stabilizes effectual output electrochemical reaction, avoids its reaction to be excited.
Description
Technical Field
The utility model relates to a cooling tower field especially relates to a high frequency power module for cooling tower.
Background
The high-frequency working power supply module used by the existing cooling tower circulating water is output by DC24V, only constant voltage output can be generated for a titanium electrode, when the water quality in the cooling tower exceeds the standard (the conductivity exceeds 5000US/CM), due to the constant voltage (DC24V) output, the electrochemical reaction is too violent, the titanium electrode is overheated, and the high-frequency power supply overload operation automatic protection device is started, so that the system protection stops operating, the water quality adjustment operation in the cooling tower cannot be finished, and the service life is reduced even due to the high-load operation of the system.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a high-frequency power module for a cooling tower.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a high-frequency power supply module for a cooling tower comprises a case, wherein a circuit board is fixed in the case, a working power supply module, a communication box connected with the working power supply module in series and a load connected with the communication box and the working power supply module in series are electrically connected onto the circuit board, the load is connected with a resistor with a variable resistance in series, and the load is connected with a load switch in series; a communication module is arranged in the communication box, the communication module comprises a voltage current detector and a conductivity tester, and one end of the resistor is connected with the output end of the communication module; the output voltage of the working power supply module is DC24V, and the load-bearing voltage of the load is DC 15-30V.
Preferably, the resistor is a sliding resistor, and a sliding end of the resistor is connected to an output end of the communication module.
Preferably, the working power supply module is connected in series with a radiator, and an over-temperature protection element connected in series with the working power supply module is arranged in the radiator.
Preferably, the working power supply module is connected with a shunt in series, and two ends of the shunt are respectively connected with the input end of the communication box and the output end of the radiator; the shunt is connected in parallel with the load.
Preferably, the working power supply module is a high-frequency electromagnetic power supply module.
Preferably, a plurality of fans facing the working power supply module are fixed in the case.
The utility model has the advantages that: in the utility model, firstly, the resistor is arranged, the power output condition is adjusted through the detection of water quality, the DC24V power output is adjusted to DC 15-30V, the original constant voltage output mode is changed, when the water quality of the cooling circulating water exceeds the standard, the output power can be automatically adjusted, the effective output electrochemical reaction is stabilized, and the reaction overexcitation is avoided; and the communication box is arranged to collect and output voltage, current, power and total power consumption, so that a worker can master the current working condition of the power supply in the cooling tower in real time and supervise and change the current working condition.
Drawings
Fig. 1 is a schematic diagram of a circuit board structure of the high-frequency power module according to the present invention;
fig. 2 is a schematic diagram of the high-frequency power module according to the present invention;
fig. 3 is a schematic view of the internal structure of the communication box.
Reference numbers in the figures: the device comprises a machine box 1, a circuit board 2, a working power supply module 3, a communication box 4, a current divider 5, a heat radiator 6, a fan 7, a load 8, a resistor 9 and a load switch 10.
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, a high-frequency power module for a cooling tower comprises a machine box 1, wherein a circuit board 2 is fixed in the machine box 1, the circuit board 2 is electrically connected with a working power module 3, a communication box 4 connected in series with the working power module 3, and a load 8 connected in series with the communication box 4 and the working power module 3, the load 8 is connected in series with a variable-resistance resistor 9, and the load 8 is connected in series with a load switch; a communication module is arranged in the communication box 4, the communication module comprises a voltage current detector and a conductivity tester, and one end of a resistor 9 is connected with the output end of the communication module; the output voltage of the working power supply module 3 is DC24V, and the load voltage of the load 8 is DC 15-30V.
In this embodiment, the resistor 9 is a sliding resistor, and the sliding end of the sliding resistor is connected to the output end of the communication module.
In this embodiment, the working power module 3 is connected in series with the heat sink 6, and the over-temperature protection element connected in series with the working power module 3 is disposed in the heat sink 6.
In this embodiment, the working power supply module 3 is connected in series with a shunt 5, and two ends of the shunt 5 are respectively connected to the input end of the communication box 4 and the output end of the radiator 6; the shunt 5 is connected in parallel with the load 8.
In the present embodiment, the operating power module 3 is a high-frequency electromagnetic power module.
In this embodiment, a plurality of fans 7 facing the operating power supply module 3 are fixed in the casing 1.
The working principle is as follows: in the water circulation process of the cooling tower, the water quality changes, the corresponding conductivities of different water qualities are different, the communication box 4 can collect and output voltage, current, power and total electricity consumption in real time, and when the water quality exceeds the standard, the communication box 4 controls the power output DC24V to be changed into the output quantity with the proper water quality conductivity; specifically, the communication box 4 keeps monitoring the output voltage of the working power supply module 3 and measuring the total current, and keeps detecting the water quality of the circulating water, when the water quality changes and exceeds the standard, the communication box 4 controls the resistance value of the resistor 9 to change, and the output voltage of the whole circuit is adjusted through the change of the resistance value of the resistor 9; specifically, the communication box 4 outputs information, so that a worker can monitor and supervise the circuit in real time, and timely maintenance and response are guaranteed; specifically, when the circuit is over-temperature, the heat sink 6 not only can perform a heat dissipation function, but also can perform a circuit breaking function to achieve over-temperature protection.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. A high-frequency power supply module for a cooling tower is characterized by comprising a machine box (1), wherein a circuit board (2) is fixed in the machine box (1), the circuit board (2) is electrically connected with a working power supply module (3), a communication box (4) connected with the working power supply module (3) in series, and a load (8) connected with the communication box (4) and the working power supply module (3) in series, the load (8) is connected with a resistor (9) with a variable resistance value in series, and the load (8) is connected with a load switch in series; a communication module is arranged in the communication box (4), the communication module comprises a voltage and current detector and a conductivity tester, and one end of the resistor (9) is connected to the output end of the communication module; the output voltage of the working power supply module (3) is DC24V, and the bearing voltage of the load (8) is DC 15-30V.
2. A high-frequency power supply module for cooling towers according to claim 1, characterized in that said resistor (9) is a sliding resistor, the sliding end of which is connected to the output end of said communication module.
3. The high-frequency power supply module for the cooling tower as claimed in claim 1, wherein the working power supply module (3) is connected with a radiator (6) in series, and an over-temperature protection element connected with the working power supply module (3) in series is arranged in the radiator (6).
4. A high-frequency power supply module for a cooling tower as claimed in claim 3, wherein a shunt (5) is connected in series with the working power supply module (3), and two ends of the shunt (5) are respectively connected to the input end of the communication box (4) and the output end of the radiator (6); the shunt (5) is connected in parallel with the load (8).
5. A high-frequency power supply module for a cooling tower as claimed in claim 1, wherein the working power supply module (3) is a high-frequency electromagnetic power supply module.
6. A high-frequency power supply module for a cooling tower as claimed in claim 1, wherein a plurality of fans (7) facing the operating power supply module (3) are fixed in the case (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022440480.7U CN213515249U (en) | 2020-10-28 | 2020-10-28 | High-frequency power module for cooling tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022440480.7U CN213515249U (en) | 2020-10-28 | 2020-10-28 | High-frequency power module for cooling tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213515249U true CN213515249U (en) | 2021-06-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022440480.7U Active CN213515249U (en) | 2020-10-28 | 2020-10-28 | High-frequency power module for cooling tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213515249U (en) |
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2020
- 2020-10-28 CN CN202022440480.7U patent/CN213515249U/en active Active
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