CN218159244U - Integrated intelligent control cabinet - Google Patents
Integrated intelligent control cabinet Download PDFInfo
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- CN218159244U CN218159244U CN202222404498.0U CN202222404498U CN218159244U CN 218159244 U CN218159244 U CN 218159244U CN 202222404498 U CN202222404498 U CN 202222404498U CN 218159244 U CN218159244 U CN 218159244U
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Abstract
The utility model relates to the technical field of intelligent cabinets, and provides an integrated intelligent control cabinet, which comprises a cabinet body and a control bus circuit, and also comprises a power circuit, a smoke alarm circuit and a temperature induction cooling circuit; the smoke alarm circuit comprises a gas sensor U4, a rheostat RP1, a resistor R2, an operational amplifier U5, an alarm U6, a resistor R3, a triode Q1 and a resistor R4. Through above-mentioned technical scheme, it is more to have solved among the prior art control cabinet circuit, at factory building high power operation stage, causes the circuit to generate heat easily, can lead to the wire rod epidermis to light when serious and take place the conflagration, causes the problem of serious consequences such as loss of property.
Description
Technical Field
The utility model relates to an intelligence rack technical field, it is specific, relate to integration intelligent control rack.
Background
The control cabinet is formed by assembling switch equipment, measuring instruments, protective electrical appliances and auxiliary equipment in a closed or semi-closed metal cabinet or on a screen according to the electrical wiring requirements, and the arrangement of the control cabinet meets the requirements of normal operation of an electric power system, is convenient to overhaul and does not endanger the safety of people and surrounding equipment.
In the prior art, a plurality of control cabinet circuits are arranged, the circuits are easy to generate heat in a high-power operation stage of a factory building, and the surface of a wire rod can be ignited to cause fire when the circuit is serious, so that serious consequences such as property loss are caused.
SUMMERY OF THE UTILITY MODEL
The utility model provides an integration intelligent control rack has solved prior art in the control rack circuit more, at factory building high power operation stage, causes the circuit to generate heat easily, can lead to the wire rod epidermis to light when serious and take place the conflagration, causes the problem of serious consequence such as loss of property.
The technical scheme of the utility model as follows:
an integrated intelligent control cabinet comprises a cabinet body and a control bus circuit,
the smoke alarm circuit also comprises a power supply circuit, a smoke alarm circuit and a temperature induction cooling circuit;
the smoke alarm circuit comprises a gas sensor U4, a rheostat RP1, a resistor R2, an operational amplifier U5, an alarm U6, a resistor R3, a triode Q1 and a resistor R4, wherein a first resistor end of the gas sensor U4 is connected with an output end of the power circuit, a second resistor end of the gas sensor U4 is connected with one end of the rheostat RP1, the other end of the rheostat RP1 is grounded, a sliding end of the rheostat RP1 is connected with a non-inverting input end of the operational amplifier U5, the resistor R1 is connected with the resistor R2 in series, one end of the resistor R1 is connected with an output end of the power circuit, one end of the resistor R2 is grounded, a series point of the resistor R1 and the resistor R2 is connected into an inverting input end of the operational amplifier U5, an output end of the operational amplifier U5 is connected with a base of the triode Q1, an emitting electrode of the triode Q1 is grounded through the resistor R4, a collecting electrode of the triode Q1 is connected with a first power supply end of the alarm U6, and a second power supply end of the alarm U6 is connected with an output end of the power circuit.
As a further technical scheme, power supply circuit includes transformer T1, rectifier bridge BD1, stabiliser U2, stabiliser U3 and alarm circuit, alternating current power supply is connected to transformer T1's input, two outputs of transformer T1 are connected respectively rectifier bridge BD 1's first input and second input, rectifier bridge BD 1's first output is connected stabiliser U2's input, rectifier bridge BD 1's second output ground connection, stabiliser U2's output is connected stabiliser U3's input, stabiliser U2's output is as power supply circuit's output, connects gas sensor U4's first resistance end, stabiliser U2's output is connected resistance R1, stabiliser U3's output is connected gas sensor U4's power supply end.
As a further technical scheme, the temperature sensing and cooling circuit comprises a voltage control circuit and a cooling trigger circuit which are connected in sequence;
the cooling trigger circuit comprises a triode Q2 and a switch relay K, the output end of the voltage control circuit is connected with the base of the triode Q2, the emitting electrode of the triode Q2 is grounded, the collecting electrode of the triode Q2 is connected with one end of the switch relay K, the other end of the switch relay K is connected with a power supply VCC, and the normally open contact of the switch relay K is connected in series with a fan power supply circuit.
As a further technical solution, the voltage control circuit includes a rectification voltage regulating circuit and a voltage comparison circuit, the rectification voltage regulating circuit includes a rheostat RP2, a thermistor R7 and a rectifier bridge BD2, two output ends of the transformer T1 are respectively connected to two ends of the rheostat RP2, a sliding end of the rheostat RP2 is connected to the thermistor R7, the thermistor R7 is connected to a first input end of the rectifier bridge BD2, the rheostat RP2 is connected to a second input end of the rectifier bridge BD2, a first output end of the rectifier bridge BD2 is connected to an input end of the voltage comparison circuit, and an output end of the voltage comparison circuit is connected to a base of the triode Q2.
As a further technical solution, the power circuit further includes a resistor R5, a resistor R6, a zener diode D1, and a zener diode D2, the first output terminal of the transformer T1 is connected to the first terminal of the resistor R5, the second terminal of the resistor R5 is connected to the cathode of the zener diode D1, the anode of the zener diode D1 is connected to the anode of the zener diode D2, the cathode of the zener diode D2 is connected to the first terminal of the resistor R6, and the second terminal of the resistor R6 is connected to the second output terminal of the transformer T1.
As a further technical solution, the voltage comparison circuit includes a resistor R8, a resistor R9, a resistor R10, an operational amplifier U1 and a resistor R11, one end of the resistor R8 is connected to the output end of the rectifier bridge BD2, the other end of the resistor R8 is grounded through the resistor R9, a series point of the resistor R8 and the resistor R9 is connected to the non-inverting input end of the operational amplifier U1 through the resistor R10, the inverting input end of the operational amplifier U1 is connected to the reference voltage through the resistor R11, and the output end of the operational amplifier U1 is connected to the base of the triode Q2 through the resistor R14.
The utility model discloses a theory of operation and beneficial effect do:
under normal conditions, the resistance value of a gas sensitive element inside the gas sensor U4 is large, the voltage on the rheostat RP1 is small, the voltage of the same-phase input end of the operational amplifier U5 is smaller than the voltage of the opposite-phase input end, the operational amplifier U5 outputs low level, the triode Q1 is cut off, and the alarm U6 is not electrified; when a fire disaster occurs in a workshop or a control cabinet, the generated smoke is diffused to the gas sensor U4, the resistance value of a gas sensitive element inside the gas sensor U4 is reduced, the voltage on the rheostat RP1 is increased, the voltage of the in-phase input end of the operational amplifier U5 is increased, the output end of the operational amplifier U5 outputs a high-level signal to the base electrode of the triode Q1, the collector electrode and the emitting electrode of the triode Q1 are conducted, the alarm U6 is electrified, the alarm U6 gives an alarm, a worker is prompted to maintain and rescue, and automatic detection and alarm of the fire smoke in the workshop and the cabinet are realized.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a schematic structural view of the integrated intelligent control cabinet of the present invention;
fig. 2 is a schematic circuit diagram of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to 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. All other embodiments, which can be obtained by a person skilled in the art without inventive work, are related to the scope of protection of the present invention.
As shown in fig. 1 to fig. 2, the present embodiment provides an integrated intelligent control cabinet, which includes a cabinet body and a control bus line,
the smoke alarm circuit also comprises a power supply circuit, a smoke alarm circuit and a temperature induction cooling circuit;
the smoke alarm circuit comprises a gas sensor U4, a rheostat RP1, a resistor R2, an operational amplifier U5, an alarm U6, a resistor R3, a triode Q1 and a resistor R4, wherein a first resistor end of the gas sensor U4 is connected with an output end of a power circuit, a second resistor end of the gas sensor U4 is connected with one end of the rheostat RP1, the other end of the rheostat RP1 is grounded, a sliding end of the rheostat RP1 is connected with a non-inverting input end of the operational amplifier U5, the resistor R1 is connected with the resistor R2 in series, one end of the resistor R1 is connected with an output end of the power circuit, one end of the resistor R2 is grounded, a series point of the resistor R1 and the resistor R2 is connected to an inverting input end of the operational amplifier U5, an output end of the operational amplifier U5 is connected with a base electrode of the triode Q1, an emitting electrode of the triode Q1 is grounded through the resistor R4, a collecting electrode of the triode Q1 is connected with a first power supply end of the alarm U6, and a second power supply end of the alarm U6 is connected with an output end of the power circuit.
The power supply circuit includes transformer T1, rectifier bridge BD1, stabiliser U2, stabiliser U3 and warning circuit, alternating current power supply is connected to transformer T1's input, rectifier bridge BD 1's first input and second input are connected respectively to two output of transformer T1, stabiliser U2's input is connected to rectifier bridge BD 1's first output, rectifier bridge BD 1's second output ground connection, stabiliser U3's input is connected to stabiliser U2's output, stabiliser U2's output is as power supply circuit's output, connect gas sensor U4's first resistance end, stabiliser U2's output connecting resistance R1, gas sensor U4's feed end is connected to stabiliser U3's output.
In this embodiment, firstly, an ac signal of the transformer T1 is rectified by the rectifier bridge BD1 and filtered by the C1 to output a slightly fluctuating dc voltage, and then regulated by the voltage stabilizer U2 and the voltage stabilizer U3 to output stable dc voltages respectively to provide a power supply for a subsequent alarm circuit, where the voltage stabilizer U2 may be LM7812 and the voltage stabilizer U3 may be LM7805;
then, the voltage output by the voltage stabilizer U2 and the voltage output by the voltage stabilizer U3 respectively supply power to the gas sensor U4, when a fire disaster occurs in a vehicle or a control cabinet, generated smoke diffuses to the resistance value of a gas sensitive element inside the gas sensor U4 to change, so that the voltage on the rheostat RP1 changes, and further the voltage value of the in-phase input end of the operational amplifier U5 changes, meanwhile, the output end of the voltage stabilizer U2 provides reference voltage for the anti-phase input end of the operational amplifier U5 through the resistor R1 and the resistor R2, at the moment, the in-phase input end of the operational amplifier U5 changes along with the voltage change of the rheostat RP1, the voltage value of the rheostat RP1 becomes larger along with the change of the resistance value of the gas sensitive element inside the gas sensor U4, namely, the resistance value of the in-phase input end of the operational amplifier U5 becomes larger, and further the output end of the operational amplifier U5 outputs a high-level signal, the base electrode and the emitter electrode of the triode Q1 are conducted, and the collector electrode and the emitter electrode of the triode Q1 are also conducted, further, the current of the alarm U2 passes through the alarm U6, so as to prompt a worker to perform maintenance and rescue, and automatic detection of the smoke in the machine room and automatic fire disaster alarm and the fire disaster alarm in the cabinet.
Further, as shown in fig. 2, the temperature sensing and temperature lowering circuit includes a voltage control circuit and a temperature lowering trigger circuit connected in sequence;
the cooling trigger circuit comprises a triode Q2 and a switch relay K, the output end of the voltage control circuit is connected with the base of the triode Q2, the emitting electrode of the triode Q2 is grounded, the collecting electrode of the triode Q2 is connected with one end of the switch relay K, the other end of the switch relay K is connected with a power supply VCC, and the normally open contact of the switch relay K is connected in the fan power supply circuit in series.
Further, as shown in fig. 2, the voltage control circuit includes a rectification voltage regulating circuit and a voltage comparison circuit, the rectification voltage regulating circuit includes a rheostat RP2, a thermistor R7, a rectifier bridge BD2 and a resistor R8, two output ends of the transformer T1 are respectively connected to two ends of the rheostat RP2, a sliding end of the rheostat RP2 is connected to the thermistor R7, the thermistor R7 is connected to a first input end of the rectifier bridge BD2, the rheostat RP2 is connected to a second input end of the rectifier bridge BD2, a first output end of the rectifier bridge BD2 is connected to an input end of the voltage comparison circuit through the resistor R8, and an output end of the voltage comparison circuit is connected to a base of the triode Q2.
In this embodiment, firstly, an ac power source is transformed by a transformer T1 to obtain a lower ac signal, then the ac signal is input to a rectifier bridge BD2 through a varistor RP2 and a thermistor R7, the rectifier bridge BD2 rectifies the ac signal to obtain a dc signal, then the signal is filtered by a capacitor C2 and a capacitor C3 to obtain a more stable electrical signal, and the dc signal is transmitted to a voltage comparison circuit through a resistor R8.
The power supply circuit further comprises a resistor R5, a resistor R6, a voltage stabilizing diode D1 and a voltage stabilizing diode D2, the first output end of the transformer T1 is connected with the first end of the resistor R5, the second end of the resistor R5 is connected with the cathode of the voltage stabilizing diode D1, the anode of the voltage stabilizing diode D1 is connected with the anode of the voltage stabilizing diode D2, the cathode of the voltage stabilizing diode D2 is connected with the first end of the resistor R6, and the second end of the resistor R6 is connected with the second output end of the transformer T1.
In this embodiment, when transformer T1 output signal, divide the voltage through resistance R5 and resistance R6, reduced the magnitude of voltage, connected two zener diode D1 and zener diode D2 between two output of transformer T1 simultaneously, can break down respectively under the too high condition of positive and negative voltage, avoided the too high emergence of voltage to break down.
Further, as shown in fig. 2, the voltage comparison circuit includes a resistor R8, a resistor R9, a resistor R10, an operational amplifier U1 and a resistor R11, one end of the resistor R8 is connected to the output end of the rectifier bridge BD2, the other end of the resistor R8 is grounded through the resistor R9, a series point of the resistor R8 and the resistor R9 is connected to the non-inverting input end of the operational amplifier U1 through the resistor R10, the inverting input end of the operational amplifier U1 is connected to the reference voltage through the resistor R11, and the output end of the operational amplifier U1 is connected to the base of the triode Q2 through the resistor R14.
In this embodiment, along with the rising of temperature in the rack, thermistor R7's resistance reduces, then rectifier bridge BD 2's output voltage risees, and then the electric current that flows through resistance R8 and resistance R9 risees, and then resistance R9's pressure drop risees, the voltage value that inputs to fortune to put U1 homophase input end from resistance R10 becomes high, be greater than the voltage reference value of fortune U1 inverting input end, U1 output high level signal is put to fortune, switch on between triode Q2's the base and the projecting pole, further switch on between triode Q2's the collecting electrode and the projecting pole, switching relay K circular telegram is closed, and then the control fan is for the inside cooling of rack, the effect of automatic monitoring temperature and cooling has been reached.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. An integrated intelligent control cabinet comprises a cabinet body and a control bus circuit,
the smoke alarm circuit is characterized by also comprising a power supply circuit, a smoke alarm circuit and a temperature induction cooling circuit;
the smoke alarm circuit comprises a gas sensor U4, a rheostat RP1, a resistor R2, an operational amplifier U5, an alarm U6, a resistor R3, a triode Q1 and a resistor R4, wherein a first resistor end of the gas sensor U4 is connected with an output end of the power circuit, a second resistor end of the gas sensor U4 is connected with one end of the rheostat RP1, the other end of the rheostat RP1 is grounded, a sliding end of the rheostat RP1 is connected with an in-phase input end of the operational amplifier U5, the resistor R1 is connected with the resistor R2 in series, one end of the resistor R1 is connected with an output end of the power circuit, one end of the resistor R2 is grounded, a series point of the resistor R1 and the resistor R2 is connected into an anti-phase input end of the operational amplifier U5, an output end of the operational amplifier U5 is connected with a base of the triode Q1, an emitting electrode of the triode Q1 is grounded through the resistor R4, a collecting electrode of the triode Q1 is connected with a first power supply end of the alarm U6, and a second power supply end of the alarm U6 is connected with an output end of the power circuit.
2. The integrated intelligent control cabinet according to claim 1, wherein the power circuit comprises a transformer T1, a rectifier bridge BD1, a voltage regulator U2, a voltage regulator U3 and an alarm circuit, an ac power supply is connected to an input terminal of the transformer T1, two output terminals of the transformer T1 are respectively connected to a first input terminal and a second input terminal of the rectifier bridge BD1, a first output terminal of the rectifier bridge BD1 is connected to an input terminal of the voltage regulator U2, a second output terminal of the rectifier bridge BD1 is grounded, an output terminal of the voltage regulator U2 is connected to an input terminal of the voltage regulator U3, an output terminal of the voltage regulator U2 is used as an output terminal of the power circuit and is connected to a first resistance terminal of the gas-sensitive sensor U4, an output terminal of the voltage regulator U2 is connected to the resistance R1, and an output terminal of the voltage regulator U3 is connected to a power supply terminal of the gas-sensitive sensor U4.
3. The integrated intelligent control cabinet according to claim 2, wherein the temperature sensing and cooling circuit comprises a voltage control circuit and a cooling trigger circuit which are connected in sequence;
the cooling trigger circuit comprises a triode Q2 and a switch relay K, the output end of the voltage control circuit is connected with the base of the triode Q2, the emitting electrode of the triode Q2 is grounded, the collecting electrode of the triode Q2 is connected with one end of the switch relay K, the other end of the switch relay K is connected with a power supply VCC, and the normally open contact of the switch relay K is connected in series with a fan power supply circuit.
4. The integrated intelligent control cabinet according to claim 3, wherein the voltage control circuit comprises a rectification voltage-regulating circuit and a voltage comparison circuit, the rectification voltage-regulating circuit comprises a rheostat RP2, a thermistor R7 and a rectifier bridge BD2, two output ends of the transformer T1 are respectively connected to two ends of the rheostat RP2, a sliding end of the rheostat RP2 is connected to the thermistor R7, the thermistor R7 is connected to a first input end of the rectifier bridge BD2, the rheostat RP2 is connected to a second input end of the rectifier bridge BD2, a first output end of the rectifier bridge BD2 is connected to an input end of the voltage comparison circuit, and an output end of the voltage comparison circuit is connected to a base of the triode Q2.
5. The integrated intelligent control cabinet according to claim 4, wherein the power circuit further comprises a resistor R5, a resistor R6, a zener diode D1 and a zener diode D2, the first output terminal of the transformer T1 is connected to the first terminal of the resistor R5, the second terminal of the resistor R5 is connected to the cathode of the zener diode D1, the anode of the zener diode D1 is connected to the anode of the zener diode D2, the cathode of the zener diode D2 is connected to the first terminal of the resistor R6, and the second terminal of the resistor R6 is connected to the second output terminal of the transformer T1.
6. The integrated intelligent control cabinet according to claim 5, wherein the voltage comparison circuit comprises a resistor R8, a resistor R9, a resistor R10, an operational amplifier U1 and a resistor R11, one end of the resistor R8 is connected with the output end of the rectifier bridge BD2, the other end of the resistor R8 is grounded through the resistor R9, a series connection point of the resistor R8 and the resistor R9 is connected with a non-inverting input end of the operational amplifier U1 through the resistor R10, an inverting input end of the operational amplifier U1 is connected with a reference voltage through the resistor R11, and an output end of the operational amplifier U1 is connected with the base of the triode Q2 through a resistor R14.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222404498.0U CN218159244U (en) | 2022-09-09 | 2022-09-09 | Integrated intelligent control cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222404498.0U CN218159244U (en) | 2022-09-09 | 2022-09-09 | Integrated intelligent control cabinet |
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| Publication Number | Publication Date |
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| CN218159244U true CN218159244U (en) | 2022-12-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202222404498.0U Active CN218159244U (en) | 2022-09-09 | 2022-09-09 | Integrated intelligent control cabinet |
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| CN (1) | CN218159244U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117563352A (en) * | 2023-12-08 | 2024-02-20 | 唐山天合活性炭有限公司 | Activated carbon activated tail gas treatment system |
-
2022
- 2022-09-09 CN CN202222404498.0U patent/CN218159244U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117563352A (en) * | 2023-12-08 | 2024-02-20 | 唐山天合活性炭有限公司 | Activated carbon activated tail gas treatment system |
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