CN212409818U - Solar human body induction liquid level meter of converter station valve external cooling system - Google Patents
Solar human body induction liquid level meter of converter station valve external cooling system Download PDFInfo
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- CN212409818U CN212409818U CN202020207184.XU CN202020207184U CN212409818U CN 212409818 U CN212409818 U CN 212409818U CN 202020207184 U CN202020207184 U CN 202020207184U CN 212409818 U CN212409818 U CN 212409818U
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Abstract
The utility model relates to a converter station valve external cooling system solar energy human body induction liquid level meter, which is columnar and internally provided with a solar charging device, a control device and a liquid level display device; the solar charging device consists of a solar battery, a 5V voltage stabilizer, two voltage reduction diodes and a rechargeable lithium battery; the control device consists of a direct current boosting module and a human body induction switch; the liquid level display device is composed of a direct current boosting module, a transmitter and a liquid level display. The solar human body induction liquid level meter is charged by solar energy, does not need to be provided with a power supply, and can be used in an outdoor environment without commercial power; the condition of the water level of the spray water tank is automatically displayed by field operation maintenance personnel during patrol maintenance through the control device and the liquid level display device, and the spray water tank is automatically closed when the field operation maintenance personnel leave the patrol maintenance; in addition, the solar human body induction liquid level meter can be taken out when the valve external cooling system is not stopped, and maintenance is facilitated.
Description
Technical Field
The utility model relates to a cold system spray pond liquid level detection device of converter station valve, in particular to cold system solar energy human body response level gauge outside converter station valve.
Background
In a high-voltage direct-current transmission system, a converter valve is core equipment of a direct-current transmission project, and three-phase alternating-current voltage is sequentially connected to a direct-current end to obtain expected direct-current voltage and control over power. Converter valves generate a large amount of heat during operation, which requires a valve cooling system to dissipate the heat. The valve cooling system is divided into an inner cooling system and an outer cooling system, the inner cooling system cools the converter valve device to remove heat of all components on the valve body out of the valve hall, the temperature of the converter valve is guaranteed to be within a normal operation range, and the outer cooling system cools the inner cooling system to reduce the temperature of the inner cooling system to a lower range. In the valve outside cooling system, a spray water tank is an important device, and the heat loss of the converter valve can be transferred to spray water and the atmosphere is closed through the continuous circulation of the spray water. In order to ensure the stability and reliability of the spray water, an underground water tank is arranged outdoors, a liquid level meter is arranged inside the water tank, and the water level of the spray water tank is monitored in time.
Statistics shows that the liquid level meter for monitoring the water level of the existing spray water tank has the following problems: (1) the spray tank level gauge is installed in the tank, and field operation maintainers can not timely and accurately see the condition of the water level of the spray tank during patrol maintenance, so that the operation condition of the valve external cooling system can not be accurately judged. (2) The installation of the existing liquid level meter needs to provide power for the liquid level meter, so a new liquid level meter circuit needs to be installed, the circuit is installed in a water pool, potential safety hazards exist, and the installation is difficult. (3) The existing liquid level meter is arranged inside a water tank, and cannot be taken out when an external valve cooling system is not stopped, so that the maintenance is very difficult.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome current for the monitoring level gauge of spray tank water level and install in the pond, the maintenance is inconvenient with the tour, and the unsafe scheduling problem of arrangement circuit provides a converter station valve external cooling system solar energy human body response level gauge.
The utility model adopts the technical proposal that:
a converter station valve external cooling system solar energy human body induction liquid level meter is characterized in that the solar energy human body induction liquid level meter is columnar and is vertically inserted into a spraying water tank of the converter station valve external cooling system, one end of a column body can leak out of the water surface, and a solar charging device, a control device and a liquid level display device are arranged inside the column body; the solar charging device comprises a solar cell, a 5V voltage stabilizer, two voltage reduction diodes and a rechargeable lithium battery, wherein the solar cell is connected with the 5V voltage stabilizer, the two voltage reduction diodes are connected in series and then connected with the rechargeable lithium battery, and the solar cell is connected with the two voltage reduction diodes and the rechargeable lithium battery which are connected in series in parallel; the control device is composed of a direct current boosting module and a human body induction switch, the direct current boosting module is connected with the human body induction switch in series, and the direct current boosting module is connected with a rechargeable lithium battery of the solar charging device; the liquid level display device is composed of a direct current boosting module, a transmitter and a liquid level display, the direct current boosting module, the transmitter and the liquid level display are connected in series, and the direct current boosting module is respectively connected with a rechargeable lithium battery of the solar charging device and a human body induction switch of the control device; the solar battery and the liquid level display of the solar charging device are positioned at one end of the column body, which is exposed out of the water surface.
The rechargeable lithium battery of the solar charging device is also connected with a filter capacitor in parallel, and the rechargeable lithium battery is respectively connected with the direct current boosting module of the control device and the direct current boosting module of the liquid level display device after stabilizing direct current voltage through the filter capacitor.
The utility model has the advantages that:
the solar human body induction liquid level meter is charged by solar energy, does not need to be provided with a power supply, and can be used in an outdoor environment without commercial power; the condition of the water level of the spray water tank is automatically displayed by field operation maintenance personnel during patrol maintenance through the control device and the liquid level display device, and the spray water tank is automatically closed when the field operation maintenance personnel leave the patrol maintenance; in addition, the solar human body induction liquid level meter can be taken out when the valve external cooling system is not stopped, and maintenance is facilitated.
Drawings
Fig. 1 is a schematic view of the installation position of the present invention;
fig. 2 is a schematic circuit diagram of the present invention.
In fig. 1-2, 1-solar energy human body induction liquid level meter, 2-spraying water pool, 3-solar cell, 4-5V voltage stabilizer, 5-voltage reduction diode, 6-voltage reduction diode, 7-rechargeable lithium battery, 8-filter capacitor, 9-direct current boost module, 10-human body induction switch, 11-direct current boost module, 12-transmitter, 13-liquid level display.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of 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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without any creative effort belong to the protection scope of the present invention.
As shown in fig. 1-2, the utility model relates to a cold system solar energy human body response level gauge outside converter station valve, this solar energy human body response level gauge 1 be the column, in the vertical pond 2 that sprays that inserts the cold system outside converter station valve, the surface of water can spill to the one end of cylinder, inside solar charging device, controlling means and the liquid level display device of being equipped with of cylinder.
The solar charging device is composed of a solar battery 3, a 5V voltage stabilizer 4, a voltage reduction diode 5, a voltage reduction diode 6 and a rechargeable lithium battery 7. The solar cell 3 adopts 9V/4W; the output of the 5V voltage stabilizer 4 is 1.5A, and the voltage stabilizing block of 5V; the voltage reduction diode 5 and the voltage reduction diode 6 adopt 3A/100V, and 1N5401 is selected; 4 batteries 18650 are selected and connected in parallel for the rechargeable lithium battery 7, the capacity of a single battery is 3000mAh, and the total capacity is 12000 mAh. Solar cell 3 is connected with 5V stabiliser 4, and two step-down diodes are connected after establishing ties with rechargeable lithium cell 7, and solar cell 3 and two step-down diodes of series connection and rechargeable lithium cell 7 parallel connection.
The control device is composed of a direct current boosting module 9 and a human body induction switch 10. The output voltage of the direct current boosting module 9 is 5.0V, and the output current is 1.0A; the operating voltage of the human body induction switch 10 is 5.0V. The direct current boost module 9 is connected with the human body induction switch 10 in series, and the direct current boost module 9 is connected with the rechargeable lithium battery 7 of the solar charging device.
The liquid level display device is composed of a direct current boosting module 11, a transmitter 12 and a liquid level display 13. The output voltage of the direct current boosting module 11 is 24V, and the output current is 0.5A; the transmitter 12 can be selected according to the liquid level depth to be measured, the general specifications are 0.5m, 1.0m, 1.5m and the like, and the output current is 4-20 mA; the liquid level display 13 can be selected as a two-wire intelligent passive meter head with the model number of CJBT-4-20mA-WY-LED-ZN, the display range can be set according to the actual situation, the display range can be designed to be 0-100%, and the display range can also be set to be 0-9.99 m. The direct current boost module 11, the transmitter 12 and the liquid level display 13 are connected in series, and the direct current boost module 11 is respectively connected with the rechargeable lithium battery 7 of the solar charging device and the human body induction switch 10 of the control device.
The solar cell 3 and the liquid level display 13 of the solar charging device are positioned at one end of the column body leaking out of the water surface.
During the use, earlier this solar energy human body response level gauge 1 vertical insert spray pond 2 in, make its one end surface of water that can leak, when sunshine shines this solar energy human body response level gauge 1, 9V's direct current voltage is exported to solar charging device's solar cell 3, through 5V stabiliser 4 with the voltage drop to 5.0V's voltage, after 5.0V's voltage further steps down through step-down diode 5 and step-down diode 6, output 4.1V's voltage charges rechargeable lithium cell 7. The voltage of 3.7V of rechargeable lithium battery 7 output is after 5.0V is boosted to 5.0V through controlling means's direct current boost module 9, supply with human inductive switch 10, human inductive switch 10 detects someone through, open the switch, the direct current boost module 11 power supply for liquid level display device, direct current boost module 11 rises 3.7V direct current voltage to 24V and supplies with changer 12 and liquid level display 13, changer 12 detects behind the liquid level degree of depth of spraying pond 2, transmit to liquid level display 13, the inspection personnel can observe the liquid level of spraying pond 2 through liquid level display 13. When the inspector leaves, the human body inductive switch 10 is automatically turned off, and the power supply to the direct current boosting module 11 of the liquid level display device is stopped.
In order to ensure that the rechargeable lithium battery 7 of the solar charging device is stable and reliable, the rechargeable lithium battery 7 of the solar charging device can be connected with the filter capacitor 8 in parallel, and the rechargeable lithium battery 7 is respectively connected with the direct current boosting module 9 of the control device and the direct current boosting module 11 of the liquid level display device after stabilizing direct current voltage through the filter capacitor 8. The dc voltage of the rechargeable lithium battery 7 is stabilized by the filter capacitor 8.
Claims (2)
1. The utility model provides a converter station valve is cold outside system solar energy human body and is responded to level gauge which characterized in that: the solar human body induction liquid level is columnar, is vertically inserted into a spraying water tank of a converter station valve external cooling system, one end of the column body can leak out of the water surface, and a solar charging device, a control device and a liquid level display device are arranged inside the column body; the solar charging device comprises a solar cell, a 5V voltage stabilizer, two voltage reduction diodes and a rechargeable lithium battery, wherein the solar cell is connected with the 5V voltage stabilizer, the two voltage reduction diodes are connected in series and then connected with the rechargeable lithium battery, and the solar cell is connected with the two voltage reduction diodes and the rechargeable lithium battery which are connected in series in parallel; the control device is composed of a direct current boosting module and a human body induction switch, the direct current boosting module is connected with the human body induction switch in series, and the direct current boosting module is connected with a rechargeable lithium battery of the solar charging device; the liquid level display device is composed of a direct current boosting module, a transmitter and a liquid level display, the direct current boosting module, the transmitter and the liquid level display are connected in series, and the direct current boosting module is respectively connected with a rechargeable lithium battery of the solar charging device and a human body induction switch of the control device; the solar battery and the liquid level display of the solar charging device are positioned at one end of the column body, which is exposed out of the water surface.
2. The solar human body induction liquid level gauge according to claim 1, wherein: the rechargeable lithium battery of the solar charging device is also connected with a filter capacitor in parallel, and the rechargeable lithium battery is respectively connected with the direct current boosting module of the control device and the direct current boosting module of the liquid level display device after stabilizing direct current voltage through the filter capacitor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020207184.XU CN212409818U (en) | 2020-02-25 | 2020-02-25 | Solar human body induction liquid level meter of converter station valve external cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020207184.XU CN212409818U (en) | 2020-02-25 | 2020-02-25 | Solar human body induction liquid level meter of converter station valve external cooling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212409818U true CN212409818U (en) | 2021-01-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020207184.XU Active CN212409818U (en) | 2020-02-25 | 2020-02-25 | Solar human body induction liquid level meter of converter station valve external cooling system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212409818U (en) |
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- 2020-02-25 CN CN202020207184.XU patent/CN212409818U/en active Active
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