CN219322142U - Dual-power conversion loop control circuit - Google Patents
Dual-power conversion loop control circuit Download PDFInfo
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- CN219322142U CN219322142U CN202320223684.6U CN202320223684U CN219322142U CN 219322142 U CN219322142 U CN 219322142U CN 202320223684 U CN202320223684 U CN 202320223684U CN 219322142 U CN219322142 U CN 219322142U
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Abstract
The dual-power conversion environmental control circuit is used for controlling the ship cabin environment and comprises a dual-power switching circuit, a temperature and humidity control circuit and a smoke control circuit, wherein the dual-power switching circuit is connected with two paths of power supply voltages and used for switching the two paths of power supply voltages and outputting working voltages; the temperature and humidity control circuit is connected with the dual-power switching circuit and is used for monitoring the temperature and humidity so as to control the temperature and humidity of the ship cabin; the smoke sensing control circuit is connected with the dual-power switching circuit and is used for monitoring smoke so as to control the smoke of the ship cabin. Through the dual-power conversion loop control circuit, the technical problem that the stability and the reliability of the traditional loop control circuit are poor is solved, and the dual-power conversion loop control circuit can be widely applied to the field of ship control.
Description
Technical Field
The application relates to the technical field of electronic circuits, in particular to a dual-power conversion loop control circuit.
Background
Along with the intelligent development of ships, intelligent ship technology is widely focused by students in related fields at home and abroad, and in the running process of the ships, whether all equipment in the ships is in a normal working state needs to be confirmed, so that accidents are avoided, and economic losses are caused. At present, the electrified equipment of the ship equipment cabin is more, and the requirements on the cabin environment are higher and higher, so that the cabin environmental control power supply stability and reliability are particularly important. The existing ship power supply system generally adopts two sets of equipment for power supply, but the power supply stability is poor due to single incoming line.
Disclosure of Invention
The utility model aims to provide a dual power conversion ring accuse circuit, aim at solving the relatively poor technical problem of stability and reliability that traditional ring accuse circuit exists.
The embodiment of the application provides a dual power conversion environmental control circuit for control to boats and ships cabin environment, include:
the dual-power supply switching circuit is connected with the two paths of power supply voltages and used for switching the two paths of power supply voltages and outputting working voltages;
the temperature and humidity control circuit is connected with the dual-power switching circuit and is used for monitoring the temperature and humidity so as to control the temperature and humidity of the ship cabin;
and the smoke sensing control circuit is connected with the dual-power switching circuit and is used for monitoring smoke so as to control the smoke of the ship cabin.
In one embodiment, the device further comprises a voltage protection circuit connected with the dual-power switching circuit and used for performing overvoltage and undervoltage protection on the working voltage.
In one embodiment, the voltage protection circuit includes an over-voltage and under-voltage monitor.
In one embodiment, the ship cabin lighting device further comprises a lighting circuit connected with the dual-power switching circuit and used for lighting the ship cabin.
In one embodiment, the lighting circuit includes two travel switches and two illumination lamps, the two travel switches are respectively arranged on the cabin door, and the two travel switches respectively control the two illumination lamps.
In one embodiment, the dual-power switching circuit includes a first micro-switch, a second micro-switch and a first intermediate relay, the first micro-switch and the second micro-switch are respectively connected with two paths of the power supply voltage, a normally open contact of the first intermediate relay is connected with the second micro-switch, and a normally closed contact of the first intermediate relay is connected with the first micro-switch.
In one embodiment, the temperature and humidity control circuit includes a temperature and humidity controller, a heater and a heat dissipation fan, where the temperature and humidity controller monitors the temperature and humidity to control the heater to heat or control the heat dissipation fan to dissipate heat.
In one embodiment, the temperature and humidity control circuit further comprises a second intermediate relay, a coil of the second intermediate relay is connected with the temperature and humidity controller, and a normally open contact of the second intermediate relay is connected with the heat dissipation fan.
In one embodiment, the smoke sensing control circuit comprises a switching power supply and a smoke sensing controller, wherein the switching power supply receives the working voltage and converts the working voltage to supply power to the smoke sensing controller.
Compared with the prior art, the embodiment of the utility model has the beneficial effects that: according to the dual-power conversion loop control circuit, uninterrupted power supply to a loop control system is realized through the dual-power switching circuit, and stable, reliable and safe operation of loop control equipment is ensured; the environmental protection circuit is designed in combination with the field environment demand, the monitoring of the field environment of the equipment room is guaranteed, the safety and the reliability of the cabin environment are improved, and the intermediate relay function is fused to the incoming line end power supply circuit and the environmental protection circuit, so that the functional integrated dual-power conversion environmental protection system is integrated, the cost input is reduced, the product practicability is improved, and the power supply of other equipment with the same power system requirement can be provided on the premise of not increasing the cost.
Drawings
Fig. 1 is a schematic block diagram of a dual power conversion circuit according to an embodiment of the present disclosure;
FIG. 2 is an exemplary circuit schematic of the dual power switching circuit shown in FIG. 1;
fig. 3 is a schematic block diagram of a dual power conversion circuit according to another embodiment of the present disclosure;
FIG. 4 is a schematic circuit diagram of a dual power conversion circuit according to an embodiment of the present disclosure;
FIG. 5 is a schematic diagram of the wiring of the smoke detector controller shown in FIG. 4;
FIG. 6 is a schematic circuit diagram of a heat dissipation circuit according to an embodiment of the present disclosure;
FIG. 7 is a schematic diagram of the wiring of the temperature and humidity controller shown in FIG. 4;
FIG. 8 is a schematic diagram of the wiring of the second intermediate relay shown in FIG. 4;
fig. 9 is an exemplary circuit schematic of the voltage protection circuit shown in fig. 3.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects to be solved by the present application more clear, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the present application.
It should be noted that the terms "first," "second," and "second" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying a number of technical features being indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
Referring to fig. 1, a schematic block diagram of a dual-power conversion circuit according to an embodiment of the present application is shown, for convenience of explanation, only the portions related to the embodiment are shown, and the details are as follows:
a dual-power conversion environmental control circuit is used for controlling the ship cabin environment and comprises a dual-power switching circuit 101, a temperature and humidity control circuit 102 and a smoke control circuit 103.
The dual-power switching circuit 101 is connected to two power supply voltages, and is configured to switch the two power supply voltages and output an operating voltage.
Specifically, the input end of the dual-power switching circuit 101 is connected with two 220V voltage inlet ends, two power supply voltages are respectively provided by the two 220V voltage inlet ends, and working voltages are output according to the electrification condition of the two power supply voltages to supply power to power supply equipment in the ship cabin.
The temperature and humidity control circuit 102 is connected with the dual power supply switching circuit 101 and is used for monitoring the temperature and humidity so as to control the temperature and humidity of the ship cabin.
Specifically, the dual-power switching circuit 101 provides working voltage for the temperature and humidity control circuit 102, the temperature and humidity control circuit 102 controls the temperature and humidity in the cabin of the ship, prevents the complex working environment in the cabin from influencing the running stability of the equipment, and ensures that the environment in the cabin reaches a specified safety index.
The smoke sensing control circuit 103 is connected with the dual power supply switching circuit and is used for monitoring smoke so as to control the smoke of the ship cabin.
Specifically, the dual-power switching circuit 101 provides the smoke sensing control circuit 103 with an operating voltage, and the smoke sensing control circuit 103 controls the smoke condition of the ship cabin to avoid fire smoke in the cabin.
Referring to fig. 2, which is a schematic circuit diagram of an example of the dual power switching circuit shown in fig. 1, for convenience of explanation, only the portions related to the present embodiment are shown, and the details are as follows:
in one embodiment, the dual power switching circuit 101 includes a first micro-switch 1DK, a second micro-switch 2DK and a first intermediate relay KA1, where the first micro-switch 1DK and the second micro-switch 2DK are respectively connected to two paths of power supply voltages, a normally open contact of the first intermediate relay KA1 is connected to the second micro-switch 2DK, and a normally closed contact of the first intermediate relay KA1 is connected to the first micro-switch 1 DK.
Specifically, two paths of 220V voltage lead-in ends of the first lead-in equipment 1L/1N and the second lead-in equipment 2L/2N respectively output two paths of power supply voltages, the first micro-breaking switch 1DK and the second micro-breaking switch 2DK are respectively connected with the two paths of power supply voltages, overload and short-circuit protection are prevented, the first intermediate relay KA1 is designed and added in a circuit of the second lead-in equipment, and the on-off of a circuit is controlled by utilizing auxiliary contacts of the intermediate relay KA 1.
(1) When the circuits of the first wire inlet equipment and the second wire inlet equipment are electrified, the coil of the first intermediate relay KA1 is electrified, the normally closed contact of the auxiliary contact of the first intermediate relay KA1 is opened, the normally open contact is closed, namely the endpoints R1/R2 and R3/R4 are opened, the first wire inlet equipment is powered off, the endpoints 1/2 and 3/4 are closed, the second wire inlet equipment is powered on, and the working voltage is output.
(2) When the first wire inlet equipment is electrified and the second wire inlet equipment is not electrified, the coil of the first intermediate relay KA1 is not electrified, the auxiliary contacts of the first intermediate relay KA1 are not operated, namely the endpoints R1/R2 and R3/R4 are closed, the first wire inlet equipment is powered, the working voltage is output, the endpoints 1/2 and 3/4 are disconnected, and the second wire inlet equipment is powered off.
(3) When the first wire inlet equipment is not electrified and the second wire inlet equipment is electrified, the coil of the first intermediate relay KA1 is electrified, the auxiliary contacts of the first intermediate relay KA1 act, namely the endpoints R1/R2 and R3/R4 are disconnected, the first wire inlet equipment is powered off, the endpoints 1/2 and 3/4 are closed, the second wire inlet equipment is powered on, and the working voltage is output.
Therefore, no matter how the incoming line end supplies power, the power can be reliably supplied to the downstream environmental control equipment through the dual-power conversion circuit, the safe and stable operation of the equipment is ensured, the high-cost investment for purchasing the uninterrupted power supply is reduced, the on-site function requirement is met, the dual-cut power supply control is realized by integrating the functions of the first intermediate relay KA1 at the incoming line end, and the stability of the equipment cabin environmental control system is improved.
Referring to fig. 3, a schematic block diagram of a dual-power conversion circuit according to another embodiment of the present application is shown, for convenience of explanation, only the portions related to the embodiment are shown, and the details are as follows:
in one embodiment, the device further comprises a voltage protection circuit 104 connected to the dual power switching circuit 101 for performing overvoltage and undervoltage protection on the working voltage.
Specifically, the voltage protection circuit 104 monitors the working voltage, so as to realize overvoltage and undervoltage protection of the environmental control system.
In one embodiment, the ship cabin lighting device further comprises a lighting circuit 105 connected with the dual-power switching circuit 101 and used for lighting the ship cabin.
Referring to fig. 4, a schematic circuit diagram of a dual-power conversion circuit according to an embodiment of the present application is shown, for convenience of explanation, only the portions related to the embodiment are shown, and the details are as follows:
in one embodiment, the smoke detection control circuit 103 includes a switching power supply DY and a smoke detection controller GYQ, where the switching power supply DY receives an operating voltage and converts the operating voltage to power the smoke detection controller GYQ.
Specifically, in this embodiment, two ends of L01 and L02 are connected in a closed manner, the switching power supply DY rectifies 220V ac power into 12V dc power to supply power to the smoke sensor controller GYQ of the weak current device, if fire smoke occurs in the ship cabin environment, as shown in fig. 5, the coil of the smoke sensor controller GYQ is powered on ( contacts 3 and 4 are powered on), the inside of the smoke sensor controller GYQ is switched on, and contacts 1 and 2 act on the external transmission of smoke sensor alarm signals, so that the external environment safety condition inside the cabin can be obtained timely.
In one embodiment, the lighting circuit 105 includes two travel switches and two illumination lamps, the two travel switches are respectively disposed on the cabin door, and the two travel switches respectively control the two illumination lamps.
Specifically, the lighting circuit comprises two mechanical travel switches, namely a first travel switch ST1 and a second travel switch ST2, which are respectively arranged on the entrance door of the ship cabin, and because of the special property of the ship cabin, the entrance of irrelevant personnel is forbidden, so that the door is controlled by the mechanical switch with high reliability, the door is pressed to the travel switch in a natural state when the door is closed, and the contacts 11/12 are in an off state; when a person opens the door, the 11/12 contacts of the first travel switch ST1 and the second travel switch ST2 are closed, the first illumination lamp 1EL and the second illumination lamp 2EL are lighted, when the person walks to close the door, the 11/12 contacts of the first travel switch ST1 and the second travel switch ST2 are opened, the first illumination lamp 1EL and the second illumination lamp 2EL are extinguished, and the function effectively ensures real-time control of an illumination loop and saves energy.
In one embodiment, the temperature and humidity control circuit 102 includes a temperature and humidity controller WS, a heater EH and a heat dissipation fan M, where the temperature and humidity controller WS monitors the temperature and humidity to control the heater EH to heat or control the heat dissipation fan M to dissipate heat.
Specifically, the temperature and humidity control circuit 102 further includes a second intermediate relay KA2, a coil of the second intermediate relay KA2 is connected with the temperature and humidity controller WS, a normally open contact of the second intermediate relay KA2 is connected with a heat dissipation fan, as shown in fig. 6, in the heat dissipation loop, four heat dissipation fans are set in the embodiment, namely M1, M2, M3 and M4 respectively, as shown in fig. 7, endpoints 5 and 6 of the temperature and humidity controller WS are connected with working voltages, a coil a/B is connected with an endpoint 7/8 of the temperature and humidity controller WS when the second intermediate relay KA2 works normally, and the start and stop of a plurality of fans are controlled by using auxiliary contacts of the second intermediate relay KA2 to meet heat dissipation requirements.
When the ambient temperature reaches the temperature reduction set value of the temperature and humidity controller WS, the coil of the second intermediate relay KA2 is powered on, as shown in fig. 8, the normally open contact of the second intermediate relay KA2 is closed, namely, the contacts 2/3 and 5/6 acting on the second intermediate relay KA2 are powered on, and the fans M1, M2, M3 and M4 are all powered on, so that the requirement of starting and stopping a plurality of fans at the same time is met, and the cooling requirement in a cabin is met; when the environmental temperature in the cabin is lower than the temperature reduction set value by 5 degrees, the second intermediate relay KA2 coil is powered off, and the normally open contacts (2/3 and 5/6) are kept in an open state, so that the heat dissipation fan stops working. Preferably, the temperature and humidity controller WS collects data in the cabin by using a temperature control probe sensor L1 and a humidity probe sensor L2 which are arranged on the cabin.
When the ambient temperature reaches the temperature rise set value of the temperature and humidity controller WS, the temperature and humidity controller WS starts a heater EH to heat, and the endpoint 1/2 of the heater EH is connected with the endpoint 9/8 of the temperature and humidity controller WS to be electrified to heat the ambient temperature; when the ambient temperature exceeds the temperature rising set value of the temperature and humidity controller WS by 5 degrees, the temperature and humidity controller WS acts on the end points 9 and 8 to cut off the power, and the heater EH stops heating.
Preferably, the embodiment further includes a first fuse FU1 and a second fuse FU2, which mainly function as protection circuits to prevent the device from being damaged due to excessive current.
In one embodiment, as shown in fig. 9, the voltage protection circuit 104 includes an overvoltage/undervoltage monitor, an input terminal of the overvoltage/undervoltage monitor is connected to an operating voltage, and the operating voltage is monitored by the overvoltage/undervoltage monitor to avoid an overvoltage/undervoltage condition, so as to provide a stable operating voltage for each load.
In summary, the dual-power conversion loop control circuit provided by the application realizes uninterrupted power supply to a loop control system through the dual-power switching circuit, and ensures stable, reliable and safe operation of loop control equipment; the environmental protection system has the advantages that the environmental protection circuit is designed in combination with the field environment requirement, the monitoring of the field environment of the equipment room is guaranteed, the safety and the reliability of the cabin environment are improved, the functional integrated dual-power conversion environmental protection system is integrated, the cost investment is reduced, the space is saved, the functional practicability is improved, and the equipment can stably and safely run in the cabin. The method is mainly applied to the environmental control equipment with the requirement on the power supply reliability, is not limited to the power supply of the environmental control equipment, and is also applicable to the safe and reliable power supply of important load equipment.
Those of ordinary skill in the art will appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the solution. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present application.
The above embodiments are only for illustrating the technical solution of the present application, and are not limiting; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present application, and are intended to be included in the scope of the present application.
Claims (9)
1. A dual power conversion environmental control circuit for controlling a ship cabin environment, comprising:
the dual-power supply switching circuit is connected with the two paths of power supply voltages and used for switching the two paths of power supply voltages and outputting working voltages;
the temperature and humidity control circuit is connected with the dual-power switching circuit and is used for monitoring the temperature and humidity so as to control the temperature and humidity of the ship cabin;
and the smoke sensing control circuit is connected with the dual-power switching circuit and is used for monitoring smoke so as to control the smoke of the ship cabin.
2. The dual power conversion circuit as claimed in claim 1, further comprising a voltage protection circuit connected to the dual power switching circuit for performing over-voltage and under-voltage protection on the operating voltage.
3. The dual power conversion circuit of claim 2, wherein the voltage protection circuit comprises an over-voltage and under-voltage monitor.
4. The dual power conversion circuit of claim 1, further comprising an illumination circuit coupled to the dual power switching circuit for illuminating the watercraft chamber.
5. The dual power conversion and environmental control circuit according to claim 4, wherein the lighting circuit comprises two travel switches and two lighting lamps, the two travel switches are respectively arranged on the cabin door, and the two travel switches respectively control the two lighting lamps.
6. The dual power conversion loop control circuit of claim 1, wherein the dual power switching circuit comprises a first micro-switch, a second micro-switch and a first intermediate relay, the first micro-switch and the second micro-switch are respectively connected with two paths of the power supply voltage, a normally open contact of the first intermediate relay is connected with the second micro-switch, and a normally closed contact of the first intermediate relay is connected with the first micro-switch.
7. The dual power conversion environmental control circuit of claim 1, wherein the temperature and humidity control circuit comprises a temperature and humidity controller, a heater and a heat dissipation fan, wherein the temperature and humidity controller monitors the temperature and humidity to control the heater to heat or control the heat dissipation fan to dissipate heat.
8. The dual power conversion loop control circuit of claim 7, further comprising a second intermediate relay, wherein a coil of the second intermediate relay is connected to the temperature and humidity controller, and a normally open contact of the second intermediate relay is connected to the heat dissipation fan.
9. The dual power conversion loop control circuit of claim 1, wherein the smoke detection control circuit comprises a switching power supply and a smoke detection controller, the switching power supply receiving the operating voltage and converting the operating voltage to power the smoke detection controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320223684.6U CN219322142U (en) | 2023-02-13 | 2023-02-13 | Dual-power conversion loop control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320223684.6U CN219322142U (en) | 2023-02-13 | 2023-02-13 | Dual-power conversion loop control circuit |
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| Publication Number | Publication Date |
|---|---|
| CN219322142U true CN219322142U (en) | 2023-07-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320223684.6U Active CN219322142U (en) | 2023-02-13 | 2023-02-13 | Dual-power conversion loop control circuit |
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|---|---|
| CN (1) | CN219322142U (en) |
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- 2023-02-13 CN CN202320223684.6U patent/CN219322142U/en active Active
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