CN209978290U - Multi-gear electric heating air curtain machine - Google Patents
Multi-gear electric heating air curtain machine Download PDFInfo
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- CN209978290U CN209978290U CN201920832384.1U CN201920832384U CN209978290U CN 209978290 U CN209978290 U CN 209978290U CN 201920832384 U CN201920832384 U CN 201920832384U CN 209978290 U CN209978290 U CN 209978290U
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Abstract
The utility model relates to a many gears electric hot air curtain machine. The utility model discloses a multi-gear electric heating air curtain machine, which comprises a machine case, a control panel arranged in the machine case, a heating body and a motor which are connected with an output control port of the control panel, and a voltage-stabilized power supply module; the heating body comprises a plurality of sub-heating bodies which are mutually connected in parallel; a relay is connected between the output control port of the control panel and each sub-heating body; the voltage-stabilized power supply module is electrically connected with the control panel and the relay to provide power. Many gears electric hot air curtain machine have the advantage that can many shelves heating.
Description
Technical Field
The utility model relates to an air curtain machine technical field especially relates to a many gears electric heating air curtain machine.
Background
The air curtain machine is a door curtain formed by sending curtain-shaped air flow with certain speed and temperature through strong air flow generated by rotation of the wind wheel, and is usually installed above unit doors of supermarkets, shops, telecommunication business halls, bank business halls, government or enterprise and public office halls and the like. The air curtain machine is started to separate indoor and outdoor air, so that the air curtain machine is convenient for people to come out, can prevent cold and hot air exchange between the indoor and the outdoor, keeps the indoor temperature constant, and can prevent dust and insects from entering and the diffusion of harmful gases and peculiar smell. One of the air curtain machines is an electric heating type air curtain machine, which makes the blown air be hot air by additionally arranging a heating device at an air outlet of the air curtain machine, and the electric heating type air curtain machine is suitable for cold winter or some special occasions. However, the conventional electric heating type air curtain machine usually does not have the function of multi-stage heating, and is not convenient enough to use.
SUMMERY OF THE UTILITY MODEL
Based on this, the utility model aims to provide a many gears electric hot air curtain machine, its advantage that has the heating of can many grades.
A multi-gear electric heating air curtain machine comprises a machine case, a control panel arranged in the machine case, a heating body and a motor which are connected with an output control port of the control panel, and a voltage-stabilized power supply module; the heating body comprises a plurality of sub-heating bodies which are mutually connected in parallel; a relay is connected between the output control port of the control panel and each sub-heating body; the voltage-stabilized power supply module is electrically connected with the control panel and the relay to provide power.
The electric heating air curtain machine has the advantages of simple structure and multi-gear heating.
Further, the relay includes a coil and a contact switch; a coil of the relay is connected between an output control port of the control board and the anode of the voltage-stabilized power supply module; and a contact switch of the relay is connected in series with a power supply input circuit of the sub-heating body.
Furthermore, a triode is connected between the coil of the relay and the output control port of the control board; the base electrode of the triode is connected to the output control port of the control board, the emitting electrode of the triode is connected to the negative electrode of the voltage-stabilized power supply module, and the collecting electrode of the triode is connected to the control pin of the coil of the relay.
Further, the heating body also comprises a temperature controller arranged on the heating body; the temperature controller is connected to the detection port of the control panel.
Furthermore, the motor is provided with a high-grade wiring terminal, a low-grade wiring terminal and a zero line wiring terminal; the high-grade wiring terminal and the low-grade wiring terminal of the motor are connected to the output control port of the control panel through the motor driving module; and a zero line wiring terminal of the motor is connected to an alternating current zero line.
Further, the heating body is a PTC heating body.
Further, the remote control device also comprises a remote controller; and the receiving end of the remote controller is connected to the signal input port of the control panel.
Further, the voltage-stabilized power supply module comprises a transformer connected to the mains supply, a rectifier bridge, a first voltage-stabilizing chip and a second voltage-stabilizing chip, wherein the rectifier bridge, the first voltage-stabilizing chip and the second voltage-stabilizing chip are sequentially connected to the rear end of the transformer; the transformer is used for reducing the voltage of the alternating current commercial power; the rectifier bridge rectifies the alternating current after the voltage reduction of the transformer and outputs direct current; the first voltage stabilizing chip stabilizes the direct current and outputs a first direct current; the second voltage stabilizing chip stabilizes the first direct current and outputs a second direct current.
For a better understanding and an implementation, the present invention is described in detail below with reference to the accompanying drawings.
Drawings
Fig. 1 is a schematic circuit diagram of the multi-gear electric heating air curtain machine of the present invention.
Detailed Description
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
Please refer to fig. 1, which is a schematic circuit diagram of the multi-gear electric heating air curtain machine of the present invention.
The multi-gear electric heating air curtain machine comprises a machine case, a control panel 10 arranged in the machine case, a heating body 20 connected to an output control port of the control panel, a motor 30, a relay 40, a temperature controller 50 connected to a detection port of the control panel 10, a remote controller 60 connected to a signal input port of the control panel 10 and a voltage-stabilized power supply module (not shown). The heating body 20 includes a plurality of sub-heating bodies arranged in parallel with each other; a relay 40 is connected between the output control port of the control board 10 and each sub-heating body; the voltage-stabilized power supply module is electrically connected with the control board 10 and the relay 40 to provide power supply.
The utility model discloses a many gears electric hot air curtain machine controls switching on or breaking off of each relay 40 through control panel 10 to the switching on or breaking off of each sub-heating plate power of control realizes the heating of many gears, can prevent the superheating of heating member, can guarantee that the temperature that air curtain machine blew out is in human comfortable within range, convenient to use simultaneously.
The control board 10 is used for controlling the overall operation of the air curtain machine, and has a plurality of output control ports, detection ports and signal input ports, which are used as main controls to realize the functions of switching, high-low gear operation, multi-gear heating, overheat detection and the like of the air curtain machine.
The heating body 20 is a PTC heating body, and is disposed at an air outlet of the motor 30, so that the air blown out from the motor 30 is hot air. The heating body 20 includes a plurality of sub-heating bodies, specifically, a plurality of heating sheets, which are connected in parallel. Specifically, in the present embodiment, the heating body 20 includes six heating plates, such as PTC 1-PTC 6, connected in parallel, and a contact switch of the corresponding relay 40 is connected to a power input line of each heating plate.
The motor 30 generates strong airflow by high-speed rotation to form an invisible door curtain, and the motor 30 has a plurality of terminals, specifically: the high-grade running connecting terminal and the low-grade running connecting terminal are connected to the output end of the motor driving module, the zero line connecting terminal is connected to an alternating current zero line, and the capacitor connecting terminal is connected with a starting capacitor in parallel.
The motor 30 is internally provided with a running winding and a starting winding; the running winding and the starting winding are mutually connected in parallel and are connected to a live wire of an alternating current power supply; the starting winding is connected to a live wire of an alternating current power supply through a starting capacitor.
In the embodiment, 3 motors connected in parallel are included, and a starting capacitor is arranged on each motor. The capacitance value of the starting capacitor can be 4.7uF/500V, and the capacitance value of the starting capacitor can be other values in other embodiments.
The relay 40 is connected to an output control port of the control board 10. The relay 40 includes a coil and a contact switch; the coil of the relay 40 is connected between the output control port of the control board 10 and the positive pole of the regulated power supply module; the contact switch of the relay 40 is connected in series with the power input line of the sub-heater. A triode is connected between the coil of the relay 40 and the output control port of the control board 10; the base electrode of the triode is connected to the output control port of the control board 10, the emitter electrode is connected to the negative electrode of the voltage-stabilized power supply module, and the collector electrode is connected to the control pin of the coil of the relay 40. This many gears electric hot air curtain machine is through being provided with the relay 40 that matches respectively on a plurality of output control ports at control panel 10, and control panel 10 is through exporting high-low level signal with switching on or the disconnection of control triode to getting electric or losing electric of the coil of control relay 40, thereby make the contact switch of relay 40 switch on or break off, finally control switching on or breaking off of the power of each sub-heating body respectively, thereby realize the heating of many gears.
In the present embodiment, the number of the relays 40 is 6, i.e., J1 to J6, wherein the control pins of the coils of the relays J1 to J3 are connected to each other and are simultaneously connected to the first output control port of the control board 10; control pins of coils of the relays J4 to J6 are connected to each other and also connected to a second output control port of the control board 10. And, live terminals of the sub-heaters PTC1 and PTC1 are connected to the first phase live line of the three-phase ac power supply through relays J1 and J2, respectively; the live wire terminals of the sub-heaters PTC4 and PTC5 are connected to the second phase live wire of the three-phase alternating current power supply through relays J4 and J5, respectively; live wire terminals of the sub-heaters PTC3 and PTC6 are connected to the third phase live wire of the three-phase ac power supply through relays J3 and J6, respectively; and the zero line wiring terminals of the sub-heating bodies are connected to the zero line of the three-phase alternating current power supply together.
It should be noted that the connection method of the relays and the sub heating body is not limited to this, and in other embodiments, other connection methods may be adopted as long as multi-step heating can be achieved.
The multi-gear air curtain machine further comprises a temperature controller 50, wherein the temperature controller 50 is arranged on the heating body 20 and is connected to the power connection terminal and the detection port of the control board 10 and used for sensing the real-time temperature of the heating body 20. The temperature controller 50 is preset with a temperature threshold, specifically, in this embodiment, the temperature threshold of the temperature controller is 80 degrees. When the temperature of the heating body 20 rises to 80 ℃, the temperature controller 50 is automatically switched off, the detection port of the control panel detects a low level signal, and then the corresponding output control port output signal is controlled to switch off the contact switch of the relay, so that the power input of the sub-heating body is cut off to realize overheat protection, when the temperature of the heating body 20 falls to a normal range, namely, the temperature falls to 80 ℃, the temperature controller 50 is automatically switched on to enable the power supply of the sub-heating body to be switched on to continue heating, thereby realizing overheat protection, and being capable of automatically restarting the heating function.
The multi-gear air curtain machine further comprises a remote controller 60; the sending end of the remote controller 60 is directly controlled by a user, and the receiving end is connected to the signal input port of the control panel 10, so that the wireless control of the electric heating air curtain machine is realized, and the control of the startup and shutdown, the multi-gear segmented heating and other functions is more convenient.
The voltage-stabilized power supply module (not shown in the figure) comprises a transformer connected to an external alternating-current power supply, a rectifier bridge, a first voltage-stabilizing chip and a second voltage-stabilizing chip, wherein the rectifier bridge, the first voltage-stabilizing chip and the second voltage-stabilizing chip are sequentially connected to the rear end of the transformer; the transformer is used for reducing the voltage of the alternating current commercial power; the rectifier bridge rectifies the alternating current after the voltage reduction of the transformer and outputs direct current; the first voltage stabilizing chip stabilizes the direct current and outputs a first direct current, namely a +12V direct current; the second voltage stabilization chip stabilizes the first direct current and outputs a second direct current, namely, a +5V direct current. In this embodiment, +12V dc power is supplied to the relay and +5V dc power is supplied to the controller.
The utility model discloses a many gears electric hot air curtain machine is connected with the contact switch of relay on the power input line of each sub-heating member to the coil through each relay of control panel control gains or loses the electricity, thereby controls switching on or breaking off of each relay contact switch, in order to realize the nimble control of each sub-heating member power, realizes many gears section heating. Meanwhile, a temperature controller is arranged to detect the real-time temperature on the heating body so as to prevent the device from being damaged by excessive heating of the heating body. The utility model discloses a many gears electric hot air curtain machine can realize many grades of segmentation heating to and overheat protection, its implementation is simple feasible, has practiced thrift manufacturing cost, and the use of giving the consumer simultaneously has brought the facility.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention.
Claims (8)
1. A multi-gear electric heating air curtain machine comprises a machine case, a control panel arranged in the machine case, a heating body and a motor which are connected with an output control port of the control panel, and a voltage-stabilized power supply module; the method is characterized in that: the heating body comprises a plurality of sub-heating bodies which are mutually connected in parallel; a relay is connected between the output control port of the control panel and each sub-heating body; the voltage-stabilized power supply module is electrically connected with the control panel and the relay to provide power.
2. The multi-gear electric heating air curtain machine as claimed in claim 1, wherein: the relay comprises a coil and a contact switch; a coil of the relay is connected between an output control port of the control board and the anode of the voltage-stabilized power supply module; and a contact switch of the relay is connected in series with a power supply input circuit of the sub-heating body.
3. The multi-gear electric heating air curtain machine as claimed in claim 2, wherein: a triode is also connected between the coil of the relay and the output control port of the control panel; the base electrode of the triode is connected to the output control port of the control board, the emitting electrode of the triode is connected to the negative electrode of the voltage-stabilized power supply module, and the collecting electrode of the triode is connected to the control pin of the coil of the relay.
4. The multi-gear electric heating air curtain machine as claimed in claim 1, wherein: the heating body is provided with a heating element; the temperature controller is connected to the detection port of the control panel.
5. The multi-gear electric heating air curtain machine as claimed in claim 1, wherein: the motor is provided with a high-grade wiring terminal, a low-grade wiring terminal and a zero line wiring terminal; the high-grade wiring terminal and the low-grade wiring terminal of the motor are connected to the output control port of the control panel through the motor driving module; and a zero line wiring terminal of the motor is connected to an alternating current zero line.
6. The multi-gear electric heating air curtain machine as claimed in claim 1, wherein: the heating body is a PTC heating body.
7. The multi-gear electric heating air curtain machine as claimed in claim 1, wherein: the remote control also comprises a remote controller; and the receiving end of the remote controller is connected to the signal input port of the control panel.
8. The multi-gear electric heating air curtain machine as claimed in claim 1, wherein: the voltage-stabilized power supply module comprises a transformer connected to a mains supply, a rectifier bridge, a first voltage-stabilized chip and a second voltage-stabilized chip, wherein the rectifier bridge, the first voltage-stabilized chip and the second voltage-stabilized chip are sequentially connected to the rear end of the transformer; the transformer is used for reducing the voltage of the alternating current commercial power; the rectifier bridge rectifies the alternating current after the voltage reduction of the transformer and outputs direct current; the first voltage stabilizing chip stabilizes the direct current and outputs a first direct current; the second voltage stabilizing chip stabilizes the first direct current and outputs a second direct current.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920832384.1U CN209978290U (en) | 2019-06-03 | 2019-06-03 | Multi-gear electric heating air curtain machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920832384.1U CN209978290U (en) | 2019-06-03 | 2019-06-03 | Multi-gear electric heating air curtain machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209978290U true CN209978290U (en) | 2020-01-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920832384.1U Active CN209978290U (en) | 2019-06-03 | 2019-06-03 | Multi-gear electric heating air curtain machine |
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| Country | Link |
|---|---|
| CN (1) | CN209978290U (en) |
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- 2019-06-03 CN CN201920832384.1U patent/CN209978290U/en active Active
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