CN219178764U - Capacitor temperature detection device based on high voltage - Google Patents
Capacitor temperature detection device based on high voltage Download PDFInfo
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- CN219178764U CN219178764U CN202320448816.5U CN202320448816U CN219178764U CN 219178764 U CN219178764 U CN 219178764U CN 202320448816 U CN202320448816 U CN 202320448816U CN 219178764 U CN219178764 U CN 219178764U
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Abstract
The application relates to the technical field of capacitor temperature detection, in particular to a high-voltage-based capacitor temperature detection device, which comprises an ambient temperature detection module, a capacitor temperature detection module, a first processing module, a second processing module, a first execution module and a second execution module, wherein the first processing module is used for outputting a first control signal and a second control signal; the second processing module outputs a third control signal; the first execution module is used for receiving the first control signal so as to control the indoor alarm device to give an alarm and sending out a first starting signal for starting the indoor refrigeration device; the second execution module is used for receiving the second control signal and the third control signal so as to control the capacitor alarm device to give an alarm and sending out a second starting signal for starting the capacitor refrigeration device. The method has the effect of knowing whether the temperature of the capacitor is high due to the indoor environment temperature or is increased due to self operation more accurately.
Description
Technical Field
The application relates to the technical field of capacitor temperature detection, in particular to a capacitor temperature detection device based on high voltage.
Background
The capacitor is mainly used for reactive compensation or drift in a power system, the service life of the capacitor is related to the ambient temperature and the temperature generated when the capacitor works, and when the temperature inside the capacitor is too high, the breakdown or bulging phenomenon can occur inside the capacitor.
In the prior art, a capacitor indoor temperature sensor and a capacitor outdoor temperature sensor are installed, and whether the indoor temperature and the capacitor temperature are higher than a specified value or not is detected, and if the indoor temperature and the capacitor temperature are higher than the specified value, an audible and visual alarm is sent.
When the temperature value of any one of the indoor temperature or the capacitor temperature is higher than the corresponding specified value, audible and visual alarm can be triggered, but because the indoor temperature is higher than the specified value, the temperature measurement of the capacitor is higher than the temperature actually generated by the capacitor, so that the temperature measurement of the capacitor is inaccurate, and whether the working state of the capacitor is normal cannot be accurately obtained.
Disclosure of Invention
In order to improve the temperature detection precision of capacitor during operation, the temperature of capacitor can be accurately obtained and recorded, and the application provides a capacitor temperature detection device based on high voltage.
The application provides a capacitor temperature detection device based on high voltage adopts following technical scheme:
the capacitor temperature detection device based on high voltage comprises an environment temperature detection module, a capacitor temperature detection module, a first processing module, a second processing module, a first execution module and a second execution module, wherein the environment temperature detection module is used for detecting indoor temperature and sending out a first temperature signal, and the capacitor temperature detection module is used for detecting the temperature outside a capacitor and sending out a second temperature signal;
the first processing module is connected to the ambient temperature detection module to receive the first temperature signal, and is used for comparing the first temperature signal with a first preset signal, outputting a first control signal if the first temperature signal is greater than the first preset signal, and outputting a second control signal if the first temperature signal is less than the first preset signal;
the second processing module is connected to the capacitor temperature detection module to receive a second temperature signal, and is used for comparing the second temperature signal with a second preset signal to output a third control signal;
the first execution module is connected with the first processing module to receive the first control signal and respond to the first control signal so as to control the indoor alarm device to give an alarm and send out a first starting signal for starting the indoor refrigeration device;
the second execution module is connected with the first processing module and the second processing module to receive the second control signal and the third control signal, respond to the second control signal and the third control signal and further control the capacitor alarm device to send out an alarm, and send out a second starting signal for starting the capacitor refrigeration device.
By adopting the technical scheme, the environment temperature detection module and the capacitor temperature detection module are adopted to respectively detect the indoor temperature and the external temperature of the capacitor and send out corresponding first temperature signals and second temperature signals, and when the first temperature signals are higher than first preset signals, the first execution module controls the indoor alarm device to send out an alarm and sends out a first starting signal for starting the indoor refrigeration device; when the first temperature signal is lower than the first preset signal and the second temperature signal is higher than the second preset signal, the second execution module controls the capacitor alarm device to give an alarm and sends out a second starting signal for starting the capacitor refrigeration device, so that the temperature of the capacitor can be more accurately known to be high temperature caused by the indoor environment temperature or to be increased due to self operation.
Optionally, the first processing module includes a first comparing module and a first judging module, the first comparing module is connected to the ambient temperature detecting module to receive the first temperature signal and compare the first temperature signal with a first preset signal to output a first comparing signal, and the first judging module is connected to the first comparing module to receive the first comparing signal and output a corresponding first control signal.
Through adopting above-mentioned technical scheme, judge whether first temperature signal is greater than first default signal through first comparison module and first judgement module, if first temperature signal is greater than first default signal and then makes first comparison module send first comparison signal so that first judgement module sends first control signal.
Optionally, the first execution module includes a first control module and a first delay module, where the first control module is connected to the first processing module to receive the first control signal and control the on-off of a power supply loop of the first delay module to control the indoor alarm device to send out an alarm, and send out a first start signal for starting the indoor refrigeration device.
Through adopting above-mentioned technical scheme, when the switch of indoor refrigerating plant of first execution module control was opened, can make indoor refrigerating plant's power supply loop disconnection time delay disconnection, and then make indoor refrigerating plant's refrigeration effect extension, make indoor temperature can better adapt to the work of condenser.
Optionally, the second processing module includes a third comparing module and a third judging module, the third comparing module is connected to the capacitor temperature detecting module to receive the second temperature signal and compare the second temperature signal with a second preset signal to output a third comparing signal, and the third judging module is connected to the third comparing module to receive the third comparing signal and output a corresponding third control signal.
By adopting the technical scheme, the third comparison module and the third judgment module are used for judging whether the second temperature signal is larger than the second preset signal, and if the second temperature signal is larger than the second preset signal, the third comparison module is further used for sending a third comparison signal so that the third judgment module can send a third control signal.
Optionally, the second execution module includes a second control module and a second delay module, where the second control module is connected to the first processing module and the second processing module to receive the second control signal and the third control signal and control the on-off of a power supply loop of the second delay module to control the capacitor alarm device to send out an alarm, and send out a second start signal for starting the capacitor refrigeration device.
Through adopting above-mentioned technical scheme, when the switch of first executive module control condenser refrigerating plant opened, can make condenser refrigerating plant's power supply loop disconnection time delay disconnection, and then make condenser refrigerating plant's radiating effect extension, make condenser work radiating effect better.
Optionally, the capacitor cooling system further comprises an internal temperature detection module, a third processing module and a third execution module, wherein the internal temperature detection module is used for detecting the temperature inside the capacitor and sending out a third temperature signal, the third processing module is connected with the internal temperature detection module to receive the third temperature signal, the third processing module is used for comparing the third temperature signal with a third preset signal to output a fourth control signal, and the third execution module is connected with the first processing module and the third processing module to receive the first control signal and the fourth control signal and respond to the first control signal and the fourth control signal to control the capacitor alarm device to send out an alarm and send out a second starting signal for starting the capacitor cooling device.
Through adopting above-mentioned technical scheme, when indoor temperature is too high, need detect the inside temperature of condenser constantly through inside temperature detection module, when the inside temperature of condenser is too high, and then make third processing module send fourth control signal, when third execution module received fourth control signal, third execution module control alarm device sent the warning to send the second start-up signal, it is too high to indicate condenser inside temperature, and the urgent need opens condenser refrigerating plant.
Optionally, the third processing module includes a fourth comparing module and a fourth judging module, the fourth comparing module is connected to the internal temperature detecting module to receive the third temperature signal and compare the third temperature signal with a third preset signal to output a fourth comparing signal, and the fourth judging module is connected to the fourth comparing module to receive the fourth comparing signal and output a corresponding fourth control signal.
By adopting the technical scheme, the fourth comparison module and the fourth judgment module are used for judging whether the third temperature signal is larger than the third preset signal, and if the third temperature signal is larger than the third preset signal, the fourth comparison module is further used for sending a fourth comparison signal so that the fourth judgment module can send a fourth control signal.
Optionally, the third execution module includes a silicon controlled switch, the silicon controlled switch is connected in series in a power supply loop of the capacitor refrigeration device, and a gate electrode of the silicon controlled switch is connected to the third processing module to receive the fourth control signal.
By adopting the technical scheme, the thyristor switch can enable the capacitor refrigerating device to be in an on or off state more rapidly, so that the reaction speed of the capacitor refrigerating device is improved, and the refrigerating effect of the capacitor refrigerating device is further improved.
In summary, when the indoor temperature is too high, it is necessary to determine whether the temperature inside the capacitor is in a normal working state, if the temperature inside the capacitor is too high, the capacitor and the indoor cooling device need to be turned on; if the temperature inside the capacitor is low, only the indoor cooling device is controlled to be started at the moment; when the indoor temperature is lower, whether the capacitor cooling device needs to be opened is further judged according to the shell temperature of the capacitor.
Drawings
Fig. 1 is a flow chart of a high voltage based capacitor temperature detection device.
Fig. 2 is a block diagram of a high voltage based capacitor temperature detection device.
Fig. 3 is a flow chart in another embodiment.
Fig. 4 is a block diagram in another embodiment.
Reference numerals illustrate: 10. an ambient temperature detection module; 20. a capacitor temperature detection module; 30. a first processing module; 40. a second processing module; 50. a first execution module; 51. a first control module; 52. a first delay module; 60. a second execution module; 61. a second control module; 62. a second delay module; 70. an internal temperature detection module; 80. a third processing module; 90. and a third execution module.
Detailed Description
The present application is described in further detail below with reference to the accompanying drawings.
The embodiment of the application discloses a capacitor temperature detection device based on high voltage. Referring to fig. 1 and 2, the apparatus includes an ambient temperature detection module 10, a capacitor temperature detection module 20, a first processing module 30, a second processing module 40, a first execution module 50, and a second execution module 60, wherein the ambient temperature detection module 10 is configured to detect a temperature in a room and emit a first temperature signal X1, and the capacitor temperature detection module 20 is configured to detect a temperature outside a capacitor and emit a second temperature signal X4.
The first processing module 30 is connected to the ambient temperature detecting module 10 to receive the first temperature signal X1, and the first processing module 30 is configured to compare the first temperature signal X1 with a first preset signal, output a first control signal X2 if the first temperature signal X1 is greater than the first preset signal, and output a second control signal X3 if the first temperature signal X1 is less than the first preset signal. The second processing module 40 is connected to the capacitor temperature detecting module 20 to receive the second temperature signal X4, and the second processing module 40 is configured to compare the second temperature signal X4 with a second preset signal to output a third control signal X5.
The first execution module 50 is connected to the first processing module 30 to receive the first control signal X2 and respond to the first control signal X2 to further control the indoor alarm device to send out an alarm, and send out a first start signal for starting the indoor refrigeration device. The second execution module 60 is connected to the first processing module 30 and the second processing module 40 to receive the second control signal X3 and the third control signal X5, and respond to the second control signal X3 and the third control signal X5 to further control the capacitor alarm device to send out an alarm, and send out a second start signal for starting the capacitor refrigeration device.
The environmental temperature detection module 10 includes a temperature sensor, and is installed on a wall in a room, and one end of the environmental temperature detection module 10 is electrically connected to the power VCC, and the other end is grounded. When the ambient temperature detection module 10 detects the indoor temperature, a first temperature signal X1 is generated and emitted. The capacitor temperature detection module 20 includes a temperature sensor installed on an outer wall of the capacitor, and one end of the capacitor temperature detection module 20 is electrically connected to the power VCC and the other end is grounded. When the capacitor temperature detection module 20 detects the temperature of the capacitor case, a second temperature signal X4 is generated and emitted.
Further, the first preset signal is characterized as the lowest temperature signal required to turn on the indoor refrigeration device, when the first temperature signal X1 detected by the ambient temperature detection module 10 is higher than the first preset signal, the first control signal X2 is output, and when the first temperature signal X1 detected by the ambient temperature detection module 10 is not higher than the first preset signal, the second control signal X3 is output.
The internal structures of the ambient temperature detection module 10 and the capacitor temperature detection module 20 are not changed, and the temperature sensor may be used to measure the temperature in the chamber and the capacitor case.
The first processing module 30 includes a first comparing module and a first judging module, the first comparing module is connected to the ambient temperature detecting module 10 to receive the first temperature signal X1 and compare the first temperature signal X1 with a first preset signal to output a first comparison signal, and the first judging module is connected to the first comparing module to receive the first comparison signal and output a corresponding first control signal X2.
Specifically, the first processing module 30 includes a resistor R1, a sliding resistor RP1, and a comparator N1, wherein a negative input end of the comparator N1 is connected to one end of the sliding resistor RP1 to receive a first preset signal, and the other end of the sliding resistor RP1 is connected to a power source VCC. One end of the resistor R1 is grounded, and the other end is connected to a connection point between the slide resistor RP1 and the negative input terminal of the comparator N1. The positive input terminal of the comparator N1 is connected to the ambient temperature detection module 10 to receive the first temperature signal X1, and the comparator N1 compares the first temperature signal X1 with a first preset signal to output a first control signal X2. When the first temperature signal X1 is greater than the first preset signal, the first control signal X2 is at a high level, so that the power supply loop of the indoor refrigeration device is turned on. When the first temperature signal X1 is smaller than the first preset signal, the first control signal X2 is at a low level, so that the power supply loop of the indoor refrigeration device is disconnected.
The first processing module 30 further includes a second comparing module and a second judging module, the second comparing module is connected to the ambient temperature detecting module 10 to receive the first temperature signal X1 and compare the first temperature signal X1 with a first preset signal to output a second comparing signal, and the second judging module is connected to the second comparing module to receive the second comparing signal and output a corresponding second control signal X3.
The first processing module 30 further includes a resistor R2, a sliding resistor RP2, and a comparator N2, wherein a positive input end of the comparator N2 is connected to one end of the sliding resistor RP2 to receive a first preset signal, and the other end of the sliding resistor RP2 is connected to the power VCC. One end of the resistor R2 is grounded, and the other end is connected to a connection point between the slide resistor RP2 and the positive input terminal of the comparator N2. The negative input end of the comparator N2 is connected to the ambient temperature detection module 10 to receive the first temperature signal X1, and the comparator N2 compares the first temperature signal X1 with a first preset signal to output a second control signal X3. When the first temperature signal X1 is smaller than the first preset signal, the first processing module 30 outputs the second control signal X3 with a high level.
The first execution module 50 includes a first control module 51 and a first delay module 52, where the first control module 51 is connected to the first processing module 30 to receive the first control signal X and control the on-off of the power supply loop of the first delay module 52, so as to control the indoor alarm device to send out an alarm, and send out a first start signal for starting the indoor refrigeration device.
The first control module 51 specifically includes a transistor Q1, a base of the transistor Q3 is electrically connected to an output end of the comparator N1, so that the transistor Q1 receives a high level of the first control signal X2, and when the first control signal X2 is at the high level, a collector of the transistor Q1 needs to be conducted with a power supply loop of the first delay module 52, and an emitter of the transistor Q1 is grounded.
The first delay module 52 specifically includes a time relay KT1, where the time relay KT1 includes a coil and a contact KT1-1, the time relay KT1 is an energizing delay relay, and the contact KT1-1 of the time relay KT1 is an energizing delay break contact.
The coil of the time relay KT1 is connected between the power supply VCC and the collector of the triode Q1, and an LS1 is connected in series between the power supply VCC and the collector of the triode Q1. The contact KT1-1 of the time relay KT1 is connected in series on a power supply circuit of the indoor refrigerating device.
Here, the indoor alarm device includes LS1 and LED1, LS1 is connected in series between power supply VCC and collector of triode Q1, and LED1 is connected in series between contact KT1-1 of time relay KT1 and the indoor refrigeration device.
When the first control signal X2 is a high-level signal, the triode Q1 is conducted, the coil of the time relay KT1 is powered on, and the electric shock KT1-1 of the time relay KT1 is closed. When the first control signal X2 becomes a low level signal, the triode Q1 is turned off, the coil of the time relay KT1 is powered off, and the electric shock KT1-1 of the time relay KT1 is turned off in a delayed manner.
The second processing module 40 includes a third comparing module and a third judging module, the third comparing module is connected to the capacitor temperature detecting module 20 to receive the second temperature signal X4 and compare the second temperature signal X4 with a second preset signal to output a third comparing signal, and the third judging module is connected to the third comparing module to receive the third comparing signal and output a corresponding third control signal X5.
The second preset signal is characterized as the lowest temperature signal of the outer wall of the capacitor refrigeration device to be turned on, when the second temperature signal X4 detected by the capacitor temperature detection module 20 is higher than the second preset signal, the third control signal X5 is output, and when the second temperature signal X4 detected by the ambient temperature detection module 10 is not higher than the second preset signal, the switch of the capacitor refrigeration device is not required to be turned on.
Specifically, the second processing module 40 specifically includes a resistor R3, a sliding resistor RP3, and a comparator N3, where a negative input end of the comparator N3 is connected to one end of the sliding resistor RP3 to receive a second preset signal, and the other end of the sliding resistor RP3 is connected to the power VCC. One end of the resistor R3 is grounded, and the other end is connected to a connection point between the slide resistor RP3 and the negative input terminal of the comparator N3. The positive input terminal of the comparator N3 is connected to the capacitor temperature detection module 20 to receive the second temperature signal X4, and the comparator N3 compares the second temperature signal X4 with a second preset signal to output a third control signal X5. When the second temperature signal X4 is greater than the second preset signal, the second processing module 40 outputs a third control signal X5, and the second control signal X3 and the third control signal X5 jointly control the start of the capacitor refrigeration device.
The second execution module 60 includes a second control module 61 and a second delay module 62, where the second control module 61 is connected to the first processing module 30 and the second processing module 40 to receive the second control signal X3 and the third control signal X5 and control the on-off of the power supply loop of the second delay module 62 so as to control the alarm device to send out an alarm, and send out a second start signal for starting the capacitor refrigeration device.
The second control module 61 specifically includes a triode Q2 and an and gate N4, where two input ends of the and gate N4 are electrically connected to an output end of the comparator N3 and an output end of the comparator N2, and an output end of the and gate N4 is connected to a base of the triode Q2, so that only the triode Q2 receives the second control signal X3 and the high level of the third control signal X5 at the same time, and the base of the triode Q2 is electrically connected to the output end of the comparator N2, so that the triode Q2 receives the high level of the second control signal X3. The collector of the transistor Q2 is required to be conducted to the power supply loop of the second delay module 62, and the emitter of the transistor Q1 is grounded. When the third control signal X5 and the second control signal X3 are both at the high level, the power supply loop of the second delay module 62 is turned on.
The second delay module 62 specifically includes a time relay KT2, where the time relay KT2 includes a coil and a contact KT2-1, the time relay KT2 is an energized delay relay, and the contact KT2-1 of the time relay KT2 is an energized delay open contact.
The coil of the time relay KT2 is connected between the power supply VCC and the collector of the triode Q2, and the contact KT2-1 of the time relay KT2 is connected in series on the power supply loop of the capacitor refrigerating device.
Here, the capacitor alarm device includes LS2 and LED2, LS2 is connected in series between power supply VCC and collector of transistor Q2, and LED2 is connected in series between contact KT2-1 of time relay KT2 and the capacitor cooling device. In addition, the response of LS2 and LED2 is different from that of LS1 and LED1, and the specific response forms of LS2 and LED2 and LS1 and LED1 can be manually set, in this embodiment, the ring frequency of LS2 is mainly higher than that of LS1, and LED2 emits a glaring red light, so that the staff can be better warned, and the capacitor temperature is too high, so that measures are needed. While the ringing frequency of LED1 is lower than LS2 and LED1 emits green light.
When the third control signal X5 is a high-level signal, the triode Q2 is conducted, the coil of the time relay KT2 is powered on, and the electric shock KT2-1 of the time relay KT2 is closed. When the third control signal X5 becomes a low level signal, the triode Q2 is turned off, the coil of the time relay KT2 is powered off, and the electric shock KT2-1 of the time relay KT2 is turned off in a delayed manner.
In another embodiment, referring to fig. 3 and 4, the high voltage-based capacitor temperature detection device further includes an internal temperature detection module 70, a third processing module 80, and a third execution module 90, wherein the internal temperature detection module 70 is used for detecting the temperature inside the capacitor and sending out a third temperature signal X8, the third processing module 80 is connected to the internal temperature detection module 70 to receive the third temperature signal X8, and the third processing module 80 is used for comparing the third temperature signal X8 with a third preset signal to output a fourth control signal X9, and the third execution module 90 is connected to the third processing module 80 to receive the fourth control signal X9 and respond to the fourth control signal X9 to control the alarm device to send out an alarm, and send out a second start signal for turning on the capacitor refrigeration device.
The internal temperature detection module 70 includes a temperature sensor mounted on an inner wall of a capacitor, and one end of the capacitor temperature detection module 20 is electrically connected to the power VCC and the other end is grounded. When the capacitor temperature detection module 20 detects the temperature inside the capacitor, it generates and emits a third temperature signal X8 of high level.
The third processing module 80 includes a fourth comparing module and a fourth judging module, the fourth comparing module is connected to the internal temperature detecting module 70 to receive the third temperature signal X8 and compare the third temperature signal X8 with a third preset signal to output a fourth comparing signal, and the fourth judging module is connected to the fourth comparing module to receive the fourth comparing signal and output a corresponding fourth control signal X9.
The third preset signal is characterized as an internal minimum temperature signal of the capacitor refrigeration device to be turned on, when the third temperature signal X8 detected by the internal temperature detection module 70 is higher than the second preset signal, a fourth control signal X9 is output, and when the third temperature signal X8 detected by the internal temperature detection module 70 is not higher than the third preset signal, it indicates that the switch of the capacitor refrigeration device is not required to be turned on.
Specifically, the third processing module 80 specifically includes a resistor R4, a sliding resistor RP4, and a comparator N5, where a negative input end of the comparator N5 is connected to one end of the sliding resistor RP4 to receive a third preset signal, and the other end of the sliding resistor RP4 is connected to the power VCC. One end of the resistor R4 is grounded and the other end is connected to a connection point between the slide rheostat RP4 and the negative input terminal of the comparator N4. The positive input terminal of the comparator N4 is connected to the internal temperature detection module 70 to receive the third temperature signal X8, and the comparator N3 compares the third temperature signal X8 with a third preset signal to output a fourth control signal X9. When the third temperature signal X8 is greater than the third preset signal, the second processing module 40 outputs the fourth control signal X9, and only when the first control signal X2 and the fourth control signal X9 are both at the high level, the capacitor refrigeration device is controlled to be started.
The third execution module 90 includes an and gate N6, an and gate N7, an or gate N8, and a triode Q3, and two input ends of the and gate N6 are respectively electrically connected with the output end of the comparator N3 and the output end of the comparator N2 to receive the third control signal X5 and the second control signal X3. The two input ends of the and gate N7 are electrically connected to the output end of the comparator N5 and the output end of the comparator N1, respectively, so as to receive the first control signal X2 and the fourth control signal X9. The output ends of the AND gate N6 and the AND gate N7 are connected with the input end of the OR gate N8, the output end of the OR gate N8 is connected with the base electrode of the triode Q3, the collector electrode of the triode Q3 is conducted with the power supply loop of the capacitor refrigerating device, and the emitter electrode of the triode Q1 is grounded. When the third control signal X5 and the second control signal X3 are both at the high level, the power supply circuit of the capacitor refrigeration device is turned on, or only the triode Q3 receives the high level of the second control signal X3 and the third control signal X5 at the same time, the power supply circuit of the capacitor refrigeration device is turned on. Here, LS2 and LED2 are connected in series to the power supply circuit of the capacitor refrigeration device.
The third execution module 90 further includes a thyristor switch, where the thyristor switch is connected in series in the power supply loop of the capacitor refrigeration device, and a gate electrode of the thyristor switch is connected to the third processing module 80 to receive the fourth control signal, where the thyristor switch can better enable the capacitor refrigeration device to be turned on more quickly. This embodiment uses only the switch and does not improve its structure, and is therefore not described here too.
The implementation principle of the capacitor temperature detection device based on high voltage in the embodiment of the application is as follows: when the first temperature signal X1 is greater than the first preset signal, the first processing module 30 outputs a first control signal X2 with a high level, and when the first temperature signal X1 is less than the first preset signal, the first processing module 30 outputs a second control signal X3 with a high level, and when the second temperature signal X4 is greater than the second preset signal, the second processing module 40 outputs a third control signal X5 with a high level; the first execution module 50 receives the high-level first control signal X2 and then controls the power supply loop of the first delay module 52 to be conducted so as to control the alarm device to give an alarm and send out a first starting signal for starting the indoor refrigeration device; when the second execution module 60 receives the third control signal X5 and the second control signal X3 at high level at the same time, the second execution module 60 controls the power supply loop of the second delay module 62 to be turned on, so that the capacitor refrigeration device can be controlled to be started; when the third processing module 80 receives the first control signal X2 and the fourth control signal X9 to be at the high level, the third execution module 90 immediately controls the capacitor refrigeration device to be started.
The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.
Claims (8)
1. A high-voltage-based capacitor temperature detection device, which is characterized by comprising an environment temperature detection module (10), a capacitor temperature detection module (20), a first processing module (30), a second processing module (40), a first execution module (50) and a second execution module (60), wherein the environment temperature detection module (10) is used for detecting indoor temperature and sending out a first temperature signal, and the capacitor temperature detection module (20) is used for detecting temperature outside a capacitor and sending out a second temperature signal;
the first processing module (30) is connected to the ambient temperature detection module (10) to receive the first temperature signal, and the first processing module (30) is configured to compare the first temperature signal with a first preset signal, output a first control signal if the first temperature signal is greater than the first preset signal, and output a second control signal if the first temperature signal is less than the first preset signal;
the second processing module (40) is connected to the capacitor temperature detection module (20) to receive a second temperature signal, and the second processing module (40) is configured to compare the second temperature signal with a second preset signal to output a third control signal;
the first execution module (50) is connected with the first processing module (30) to receive the first control signal and respond to the first control signal so as to control the indoor alarm device to give an alarm and send out a first starting signal for starting the indoor refrigeration device;
the second execution module (60) is connected to the first processing module (30) and the second processing module (40) to receive the second control signal and the third control signal, respond to the second control signal and the third control signal and further control the capacitor alarm device to send out an alarm, and send out a second starting signal for starting the capacitor refrigeration device.
2. The high voltage based capacitor temperature sensing device of claim 1, wherein: the first processing module (30) comprises a first comparing module and a first judging module, the first comparing module is connected with the ambient temperature detecting module (10) to receive a first temperature signal and compare the first temperature signal with a first preset signal so as to output a first comparing signal, and the first judging module is connected with the first comparing module to receive the first comparing signal and output a corresponding first control signal.
3. The high voltage based capacitor temperature sensing device of claim 2, wherein: the first execution module (50) comprises a first control module (51) and a first delay module (52), wherein the first control module (51) is connected with the first processing module (30) to receive the first control signal and control the on-off of a power supply loop of the first delay module (52) so as to control the indoor alarm device to give an alarm, and a first starting signal for starting the indoor refrigeration device is sent out.
4. The high voltage based capacitor temperature sensing device of claim 1, wherein: the second processing module (40) comprises a third comparing module and a third judging module, the third comparing module is connected with the capacitor temperature detecting module (20) to receive a second temperature signal and compare the second temperature signal with a second preset signal so as to output a third comparing signal, and the third judging module is connected with the third comparing module to receive the third comparing signal and output a corresponding third control signal.
5. The high voltage based capacitor temperature sensing device of claim 4, wherein: the second execution module (60) comprises a second control module (61) and a second delay module (62), the second control module (61) is connected to the first processing module (30) and the second processing module (40) to receive the second control signal and the third control signal and control the on-off of a power supply loop of the second delay module (62) so as to control the capacitor alarm device to send out an alarm, and a second starting signal for starting the capacitor refrigeration device is sent out.
6. The high voltage based capacitor temperature sensing device of claim 1, wherein: the capacitor cooling system further comprises an internal temperature detection module (70), a third processing module (80) and a third execution module (90), wherein the internal temperature detection module (70) is used for detecting the temperature inside the capacitor and sending out a third temperature signal, the third processing module (80) is connected to the internal temperature detection module (70) to receive the third temperature signal, the third processing module (80) is used for comparing the third temperature signal with a third preset signal to output a fourth control signal, and the third execution module (90) is connected to the first processing module (30) and the third processing module (80) to receive the first control signal and the fourth control signal and respond to the first control signal and the fourth control signal to control the capacitor alarm device to send out an alarm and send out a second starting signal for starting the capacitor cooling device.
7. The high voltage based capacitor temperature sensing device of claim 6, wherein: the third processing module (80) comprises a fourth comparing module and a fourth judging module, wherein the fourth comparing module is connected with the internal temperature detecting module (70) to receive a third temperature signal and compare the third temperature signal with a third preset signal so as to output a fourth comparing signal, and the fourth judging module is connected with the fourth comparing module to receive the fourth comparing signal and output a corresponding fourth control signal.
8. The high voltage based capacitor temperature sensing device of claim 7, wherein: the third execution module (90) comprises a silicon controlled switch, the silicon controlled switch is connected in series in a power supply loop of the capacitor refrigeration device, and a gate electrode of the silicon controlled switch is connected with the third processing module (80) to receive a fourth control signal.
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| CN202320448816.5U CN219178764U (en) | 2023-03-04 | 2023-03-04 | Capacitor temperature detection device based on high voltage |
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