CN210799471U - Intelligent fan control device - Google Patents
Intelligent fan control device Download PDFInfo
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- CN210799471U CN210799471U CN201921687764.7U CN201921687764U CN210799471U CN 210799471 U CN210799471 U CN 210799471U CN 201921687764 U CN201921687764 U CN 201921687764U CN 210799471 U CN210799471 U CN 210799471U
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Abstract
The utility model discloses an intelligent fan control device, which comprises a host circuit and a standby circuit; the host circuit comprises a host power supply input end, a host power supply output end, a host protector and a host switching circuit, and the standby circuit comprises a standby power supply input end, a standby power supply output end, a standby protector and a standby switching circuit; the main machine protector and the standby machine protector are respectively provided with a liquid crystal display, and the main machine protector is provided with a starting button QA1, a starting button QA2, a stopping button TA1, a stopping button TA2, a contactor auxiliary contact KM1-2 and a contactor auxiliary contact KM 2-2. The utility model discloses have when host computer return circuit power failure, can automatic switch to be equipped with quick-witted return circuit work, realize uninterrupted power source output to make the incessant air feed of fan.
Description
Technical Field
The utility model relates to a mine fan control technical field, concretely relates to intelligent fan controlling means.
Background
The mining explosion-proof vacuum electromagnetic starter is mainly used for controlling the direct starting, stopping and forward and reverse running of a mining induction motor, and can protect the overload and phase failure of the motor. The structure of opening the door soon is adopted, simple structure is reasonable, convenient operation, and the body adopts the floor formula, and control scheme simple to use is convenient for maintain. The starter starts and stops loads remotely, has the protection functions of overload, phase failure, short circuit, leakage locking detection and the like, and is generally used for controlling a water pump, a local fan and the like.
The existing explosion-proof electromagnetic starter for the coal mine underground fan mostly adopts a single-loop 1140 power supply for power supply, and when a single power supply device has power failure or faults, the device power supply does not have a power supply and cannot normally work, due to the importance of the fan starter.
SUMMERY OF THE UTILITY MODEL
The utility model provides an intelligent fan controlling means mainly solves following technical problem:
the utility model discloses in through host computer and the work of being equipped with quick-witted automatic switch-over, realize uninterrupted power source output and fan equipment, solved the technical problem that current intelligent fan controlling means can't realize double-circuit power supply control fan.
The purpose of the utility model can be realized by the following technical scheme:
an intelligent blower control device comprises a host circuit and a standby circuit;
the host circuit comprises a host power supply input end, a host power supply output end, a host protector and a host switching circuit, and the standby circuit comprises a standby power supply input end, a standby power supply output end, a standby protector and a standby switching circuit;
the main machine protector and the standby machine protector are respectively provided with a liquid crystal display, the main machine protector is provided with a starting button QA1, a starting button QA2, a stopping button TA1, a stopping button TA2, a contactor auxiliary contact KM1-2 and a contactor auxiliary contact KM2-2, and the standby machine protector is provided with a starting button QAO1, a starting button QAO2, a stopping button TA01, a stopping button TA02, a contactor auxiliary contact KM3-2 and a contactor auxiliary contact KM 4-2;
the main machine power input end comprises an isolating switch HK1, a magnetic fuse RD1, a control transformer CT1, an alternating current vacuum contactor KM1-1-3 coil and an alternating current vacuum contactor KM2-1-3 coil, and the standby machine power input end comprises an isolating switch HK2, a magnetic fuse RD2, a control transformer CT2, an alternating current vacuum contactor KM3-1-3 coil and an alternating current vacuum contactor KM4-1-3 coil;
the host machine switching circuit comprises an alternating current vacuum contactor KM1, an alternating current vacuum contactor KM2, an alternating current vacuum contactor KM1-1, an alternating current vacuum contactor KM2-1, a protection contact BJ1, a protection contact BJ2, a starting input point SJ1, a starting input point SJ2, an intermediate relay ZJ1 coil, an intermediate relay ZJ2 coil, an intermediate relay ZJ1-1 coil and an intermediate relay ZJ2-1 coil, wherein the protection contact BJ1, the starting input point SJ1 and the intermediate relay ZJ1 coil are connected in series, the protection contact BJ2, the starting input point SJ2 and the intermediate relay ZJ2 coil are connected in series, the intermediate relay ZJ1-1 coil and the alternating current vacuum contactor KM1 are connected in series, the intermediate relay ZJ2-1 coil and the alternating current vacuum contactor KM2 are connected in series, and the alternating current vacuum contactor KM1-1 and the alternating current vacuum contactor KM2-1 are connected in parallel, the host switching circuit is respectively connected in series with the control transformer CT1 and the host protector;
the standby machine switching circuit comprises an alternating current vacuum contactor KM3, an alternating current vacuum contactor KM4, an alternating current vacuum contactor KM3-1, an alternating current vacuum contactor KM4-1, a protection contact BJ1, a protection contact BJ2, a starting input point SJ1, a starting input point SJ2, an intermediate relay ZJ3 coil, an intermediate relay ZJ3 coil, an intermediate relay ZJ3-1 coil and an intermediate relay ZJ4-1 coil, wherein the protection contact BJ2, the starting input point SJ1 and the intermediate relay ZJ1 coil are connected in series, the protection contact BJ2, the starting input point SJ2 and the intermediate relay ZJ2 coil are connected in series, the intermediate relay ZJ3-1 coil and the alternating current vacuum contactor KM3 are connected in series, the intermediate relay ZJ 387 4-1 coil and the alternating current vacuum contactor KM4 are connected in series, the alternating current vacuum contactor KM3-1 and the alternating current vacuum contactor KM4-1 are, the standby machine switching circuit is respectively connected in series with the control transformer CT2 and the standby machine protector;
the main machine power output end comprises a current transformer LH1, a current transformer LH2, a filtering module RC1 and a filtering module RC2, and the standby machine power output end comprises a current transformer LH1, a current transformer LH2, a filtering module RC3 and a filtering module RC 4.
Further, the method comprises the following steps: the main machine protector and the standby machine protector are both connected with a current transformer LH1 and a current transformer LH2 in series, and the main machine circuit and the standby machine circuit are both powered by an intrinsic safety power supply.
Further, the method comprises the following steps: the isolating switch HK1 is connected in series with the magnetic fuse RD1 and then connected to the coil of the control transformer CT1, and the isolating switch HK2 is connected in series with the magnetic fuse RD2 and then connected to the coil of the control transformer CT 2.
Further, the method comprises the following steps: the filtering module RC1 is connected in series on a D1 phase line, a D2 phase line and a D3 phase line, the filtering module RC2 is connected in series on a D4 phase line, a D5 phase line and a D6 phase line, the filtering module RC3 is connected in series on a D11 phase line, a D22 phase line and a D33 phase line, and the filtering module RC4 is connected in series on a D44 phase line, a D55 phase line and a D66 phase line.
Further, the method comprises the following steps: the host power input end is input by X1, X2 and X3 terminals, and the standby power input end is input by X11, X22 and X33 terminals.
Further, the method comprises the following steps: the host protector and the standby protector are both externally connected with a relay JK1 and are connected in series through a relay JK 1.
Further, the method comprises the following steps: the main machine protector is externally connected with an alternating current vacuum contactor KM1-3 coil, an intermediate relay ZJ1-3 coil and an intermediate relay ZJ1-4 coil which are connected in series in parallel on a D3 phase line, the main machine protector is externally connected with an alternating current vacuum contactor KM2-3 coil, an intermediate relay ZJ2-3 coil and an intermediate relay ZJ2-4 coil which are connected in series in parallel on a D6 phase line, the standby machine protector is externally connected with an alternating current vacuum contactor KM3-3 coil, an intermediate relay ZJ3-3 coil and an intermediate relay ZJ3-4 coil which are connected in series in parallel on a D33 phase line, and the main machine protector is externally connected with an alternating current vacuum contactor KM4-3 coil, an intermediate relay ZJ4-3 coil and an intermediate relay ZJ4-4 coil which are connected in series on a D66 phase line.
The utility model has the advantages that:
1. when the power supply of the main machine loop fails, the main machine loop can be automatically switched to the standby machine loop to work, so that the output of an uninterrupted power supply is realized, and the fan can supply air uninterruptedly; when the host machine normally works, the standby machine belongs to a standby state, when any fault occurs in a loop of the host machine, the host machine stops running, the standby fan automatically works, a reversing handle of the host machine and the standby machine is closed, the intelligent protector of the host machine and the standby machine is electrified to work, a protection contact BJ1 and a protection contact BJ2 of the host machine and the standby machine are closed, a host machine starting button is pressed, a starting input point SJ1 and a starting input point SJ2 are closed in a delayed mode, a coil of an intermediate relay ZJ1 and a coil of an intermediate relay ZJ2 are electrified and attracted, a normally open intermediate relay ZJ1-1 is arranged, an intermediate relay ZJ2-1 is closed, a coil of a vacuum contactor KM1 and a coil of a vacuum contactor KM2 are electrified and attracted, a coil of the vacuum contactor KM1-2 and a coil of the vacuum contactor KM2-2 are closed and returned, the host machine is successfully closed, the host machine is closed, the, and a relay JK1 for returning to the standby machine is disconnected, the standby machine protector sends a starting instruction, a starting input point SJ1 and a starting input point SJ2 of the standby machine are respectively closed in a delayed mode, the vacuum contactor KM3 and the vacuum contactor KM4 are respectively started in a delayed mode, and the vacuum contactor KM3-2 and the vacuum contactor KM4-2 are closed to return to the protector.
Drawings
The present invention will be further described with reference to the accompanying drawings.
Fig. 1 is a circuit diagram of a host control circuit of an intelligent fan control device of the present invention;
fig. 2 is a circuit diagram of the intelligent fan control device.
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. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-2, an intelligent blower control device includes a host circuit and a standby circuit;
the host circuit comprises a host power supply input end, a host power supply output end, a host protector and a host switching circuit, and the standby circuit comprises a standby power supply input end, a standby power supply output end, a standby protector and a standby switching circuit;
the main machine protector and the standby machine protector are respectively provided with a liquid crystal display, the main machine protector is provided with a starting button QA1, a starting button QA2, a stopping button TA1, a stopping button TA2, a contactor auxiliary contact KM1-2 and a contactor auxiliary contact KM2-2, and the standby machine protector is provided with a starting button QAO1, a starting button QAO2, a stopping button TA01, a stopping button TA02, a contactor auxiliary contact KM3-2 and a contactor auxiliary contact KM 4-2;
the main machine power input end comprises an isolating switch HK1, a magnetic fuse RD1, a control transformer CT1, an alternating current vacuum contactor KM1-1-3 coil and an alternating current vacuum contactor KM2-1-3 coil, and the standby machine power input end comprises an isolating switch HK2, a magnetic fuse RD2, a control transformer CT2, an alternating current vacuum contactor KM3-1-3 coil and an alternating current vacuum contactor KM4-1-3 coil;
the host machine switching circuit comprises an alternating current vacuum contactor KM1, an alternating current vacuum contactor KM2, an alternating current vacuum contactor KM1-1, an alternating current vacuum contactor KM2-1, a protection contact BJ1, a protection contact BJ2, a starting input point SJ1, a starting input point SJ2, an intermediate relay ZJ1 coil, an intermediate relay ZJ2 coil, an intermediate relay ZJ1-1 coil and an intermediate relay ZJ2-1 coil, wherein the protection contact BJ1, the starting input point SJ1 and the intermediate relay ZJ1 coil are connected in series, the protection contact BJ2, the starting input point SJ2 and the intermediate relay ZJ2 coil are connected in series, the intermediate relay ZJ1-1 coil and the alternating current vacuum contactor KM1 are connected in series, the intermediate relay ZJ2-1 coil and the alternating current vacuum contactor KM2 are connected in series, and the alternating current vacuum contactor KM1-1 and the alternating current vacuum contactor KM2-1 are connected in parallel, the host switching circuit is respectively connected in series with the control transformer CT1 and the host protector;
the standby machine switching circuit comprises an alternating current vacuum contactor KM3, an alternating current vacuum contactor KM4, an alternating current vacuum contactor KM3-1, an alternating current vacuum contactor KM4-1, a protection contact BJ1, a protection contact BJ2, a starting input point SJ1, a starting input point SJ2, an intermediate relay ZJ3 coil, an intermediate relay ZJ3 coil, an intermediate relay ZJ3-1 coil and an intermediate relay ZJ4-1 coil, wherein the protection contact BJ2, the starting input point SJ1 and the intermediate relay ZJ1 coil are connected in series, the protection contact BJ2, the starting input point SJ2 and the intermediate relay ZJ2 coil are connected in series, the intermediate relay ZJ3-1 coil and the alternating current vacuum contactor KM3 are connected in series, the intermediate relay ZJ 387 4-1 coil and the alternating current vacuum contactor KM4 are connected in series, the alternating current vacuum contactor KM3-1 and the alternating current vacuum contactor KM4-1 are, the standby machine switching circuit is respectively connected in series with the control transformer CT2 and the standby machine protector;
the main machine power output end comprises a current transformer LH1, a current transformer LH2, a filtering module RC1 and a filtering module RC2, and the standby machine power output end comprises a current transformer LH1, a current transformer LH2, a filtering module RC3 and a filtering module RC 4.
The main machine protector and the standby machine protector are both connected with a current transformer LH1 and a current transformer LH2 in series, and the main machine circuit and the standby machine circuit are both powered by an intrinsic safety power supply; the isolating switch HK1 is connected in series with the magnetic fuse RD1 and then connected to the coil of the control transformer CT1, and the isolating switch HK2 is connected in series with the magnetic fuse RD2 and then connected to the coil of the control transformer CT 2; the filtering module RC1 is connected in series with a D1 phase line, a D2 phase line and a D3 phase line, the filtering module RC2 is connected in series with a D4 phase line, a D5 phase line and a D6 phase line, the filtering module RC3 is connected in series with a D11 phase line, a D22 phase line and a D33 phase line, and the filtering module RC4 is connected in series with a D44 phase line, a D55 phase line and a D66 phase line; the host power input end is input by connecting terminals X1, X2 and X3, and the standby power input end is input by connecting terminals X11, X22 and X33; the host protector and the standby protector are both externally connected with a relay JK1 and are connected in series through a relay JK 1; the main machine protector is externally connected with an alternating current vacuum contactor KM1-3 coil, an intermediate relay ZJ1-3 coil and an intermediate relay ZJ1-4 coil which are connected in series in parallel on a D3 phase line, the main machine protector is externally connected with an alternating current vacuum contactor KM2-3 coil, an intermediate relay ZJ2-3 coil and an intermediate relay ZJ2-4 coil which are connected in series in parallel on a D6 phase line, the standby machine protector is externally connected with an alternating current vacuum contactor KM3-3 coil, an intermediate relay ZJ3-3 coil and an intermediate relay ZJ3-4 coil which are connected in series in parallel on a D33 phase line, and the main machine protector is externally connected with an alternating current vacuum contactor KM4-3 coil, an intermediate relay ZJ4-3 coil and an intermediate relay ZJ4-4 coil which are connected in series on a D66 phase line.
The working principle is as follows: when the host machine normally works, the standby machine belongs to a standby state, when any fault occurs in a loop of the host machine, the host machine stops running, the standby fan automatically works, a reversing handle of the host machine and the standby machine is closed, the intelligent protector of the host machine and the standby machine is electrified to work, a protection contact BJ1 and a protection contact BJ2 of the host machine and the standby machine are closed, a host machine starting button is pressed, a starting input point SJ1 and a starting input point SJ2 are closed in a delayed mode, a coil of an intermediate relay ZJ1 and a coil of an intermediate relay ZJ2 are electrified and attracted, a normally open intermediate relay ZJ1-1 is arranged, an intermediate relay ZJ2-1 is closed, a coil of a vacuum contactor KM1 and a coil of a vacuum contactor KM2 are electrified and attracted, a coil of the vacuum contactor KM1-2 and a coil of the vacuum contactor KM2-2 are closed and returned, the host machine is successfully closed, the host machine is closed, the, the relay JK1 for returning the spare machine is disconnected, the spare machine protector sends a starting instruction, the starting input point SJ1 and the starting input point SJ2 of the spare machine are respectively closed in a delayed mode, the vacuum contactor KM3 and the vacuum contactor KM4 are respectively started in a delayed mode, and the vacuum contactor KM3-2 and the vacuum contactor KM4-2 are closed to return to the protector, so that automatic switching of the main machine and the spare machine is achieved, and uninterrupted air supply is achieved.
The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above description in any form, and although the present invention has been disclosed with reference to the preferred embodiment, it is not limited to the present invention, and any skilled person in the art can make modifications or changes equivalent to the equivalent embodiment of the above embodiments without departing from the scope of the present invention.
Claims (7)
1. An intelligent fan control device is characterized by comprising a host circuit and a standby circuit;
the host circuit comprises a host power supply input end, a host power supply output end, a host protector and a host switching circuit, and the standby circuit comprises a standby power supply input end, a standby power supply output end, a standby protector and a standby switching circuit;
the main machine protector and the standby machine protector are respectively provided with a liquid crystal display, the main machine protector is provided with a starting button QA1, a starting button QA2, a stopping button TA1, a stopping button TA2, a contactor auxiliary contact KM1-2 and a contactor auxiliary contact KM2-2, and the standby machine protector is provided with a starting button QAO1, a starting button QAO2, a stopping button TA01, a stopping button TA02, a contactor auxiliary contact KM3-2 and a contactor auxiliary contact KM 4-2;
the main machine power input end comprises an isolating switch HK1, a magnetic fuse RD1, a control transformer CT1, an alternating current vacuum contactor KM1-1-3 coil and an alternating current vacuum contactor KM2-1-3 coil, and the standby machine power input end comprises an isolating switch HK2, a magnetic fuse RD2, a control transformer CT2, an alternating current vacuum contactor KM3-1-3 coil and an alternating current vacuum contactor KM4-1-3 coil;
the host machine switching circuit comprises an alternating current vacuum contactor KM1, an alternating current vacuum contactor KM2, an alternating current vacuum contactor KM1-1, an alternating current vacuum contactor KM2-1, a protection contact BJ1, a protection contact BJ2, a starting input point SJ1, a starting input point SJ2, an intermediate relay ZJ1 coil, an intermediate relay ZJ2 coil, an intermediate relay ZJ1-1 coil and an intermediate relay ZJ2-1 coil, wherein the protection contact BJ1, the starting input point SJ1 and the intermediate relay ZJ1 coil are connected in series, the protection contact BJ2, the starting input point SJ2 and the intermediate relay ZJ2 coil are connected in series, the intermediate relay ZJ1-1 coil and the alternating current vacuum contactor KM1 are connected in series, the intermediate relay ZJ2-1 coil and the alternating current vacuum contactor KM2 are connected in series, and the alternating current vacuum contactor KM1-1 and the alternating current vacuum contactor KM2-1 are connected in parallel, the host switching circuit is respectively connected in series with the control transformer CT1 and the host protector;
the standby machine switching circuit comprises an alternating current vacuum contactor KM3, an alternating current vacuum contactor KM4, an alternating current vacuum contactor KM3-1, an alternating current vacuum contactor KM4-1, a protection contact BJ1, a protection contact BJ2, a starting input point SJ1, a starting input point SJ2, an intermediate relay ZJ3 coil, an intermediate relay ZJ3 coil, an intermediate relay ZJ3-1 coil and an intermediate relay ZJ4-1 coil, wherein the protection contact BJ2, the starting input point SJ1 and the intermediate relay ZJ1 coil are connected in series, the protection contact BJ2, the starting input point SJ2 and the intermediate relay ZJ2 coil are connected in series, the intermediate relay ZJ3-1 coil and the alternating current vacuum contactor KM3 are connected in series, the intermediate relay ZJ 387 4-1 coil and the alternating current vacuum contactor KM4 are connected in series, the alternating current vacuum contactor KM3-1 and the alternating current vacuum contactor KM4-1 are, the standby machine switching circuit is respectively connected in series with the control transformer CT2 and the standby machine protector;
the main machine power output end comprises a current transformer LH1, a current transformer LH2, a filtering module RC1 and a filtering module RC2, and the standby machine power output end comprises a current transformer LH1, a current transformer LH2, a filtering module RC3 and a filtering module RC 4.
2. The intelligent fan control device according to claim 1, wherein the main machine protector and the standby machine protector are both connected in series with a current transformer LH1 and a current transformer LH2, and the main machine circuit and the standby machine circuit are both powered by an intrinsically safe power supply.
3. The intelligent fan control device according to claim 1, wherein the isolating switch HK1 is connected in series with the magnetic fuse RD1 and then connected to the coil of the control transformer CT1, and the isolating switch HK2 is connected in series with the magnetic fuse RD2 and then connected to the coil of the control transformer CT 2.
4. The intelligent fan control device according to claim 1, wherein the filtering module RC1 is connected in series with the phase lines D1, D2 and D3, the filtering module RC2 is connected in series with the phase lines D4, D5 and D6, the filtering module RC3 is connected in series with the phase lines D11, D22 and D33, and the filtering module RC4 is connected in series with the phase lines D44, D55 and D66.
5. An intelligent fan control device according to claim 1, wherein the main machine power input terminal is input by X1, X2 and X3 terminals, and the standby machine power input terminal is input by X11, X22 and X33 terminals.
6. The intelligent fan control device of claim 1, wherein the main machine protector and the backup protector are both externally connected with a relay JK1, and the main machine protector and the backup protector are connected in series through a relay JK 1.
7. The intelligent fan control device of claim 1, wherein the main machine protector is externally connected with an AC vacuum contactor KM1-3 coil, an intermediate relay ZJ1-3 coil and an intermediate relay ZJ1-4 coil which are connected in series and connected in a D3 phase line, the host protector is externally connected with an alternating current vacuum contactor KM2-3 coil, an intermediate relay ZJ2-3 coil and an intermediate relay ZJ2-4 coil which are connected in series and connected on a D6 phase line in parallel, the spare machine protector is externally connected with an alternating current vacuum contactor KM3-3 coil, an intermediate relay ZJ3-3 coil and an intermediate relay ZJ3-4 coil which are connected in series and is connected on a D33 phase line in parallel, and an alternating current vacuum contactor KM4-3 coil, an intermediate relay ZJ4-3 coil and an intermediate relay ZJ4-4 coil which are externally connected in series with the host protector are connected in parallel on a D66 phase line.
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| CN201921687764.7U CN210799471U (en) | 2019-10-10 | 2019-10-10 | Intelligent fan control device |
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| CN201921687764.7U CN210799471U (en) | 2019-10-10 | 2019-10-10 | Intelligent fan control device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110541838A (en) * | 2019-10-10 | 2019-12-06 | 淮北矿业股份有限公司 | intelligent fan control device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110541838A (en) * | 2019-10-10 | 2019-12-06 | 淮北矿业股份有限公司 | intelligent fan control device |
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