阅读说明：本技术 一种冷热自动循环机 (Cold and hot automatic cycle machine ) 是由 王振然 郭亚东 李俊红 张慧鸽 程英硕 于 2021-10-09 设计创作，主要内容包括：本发明公开了一种冷热自动循环机,包括吹风机、能够与市电电性连接的主电路、与主电路电性连接的控制电路,所述吹风机与主电路电性连接,所述控制电路能够控制吹风机处于开启、吹热风、吹冷风以及关闭状态,并同时控制吹风机从吹热风、吹冷风、关闭状态进行单次循环；本发明自动控制吹风机对电阻浆料进行烘干,效率高效,降低了人工劳动量。(The invention discloses a cold and hot automatic circulating machine, which comprises a blower, a main circuit and a control circuit, wherein the main circuit can be electrically connected with commercial power, the control circuit is electrically connected with the main circuit, the blower is electrically connected with the main circuit, the control circuit can control the blower to be in a state of opening, blowing hot air, blowing cold air and closing, and simultaneously control the blower to perform single circulation from the state of blowing hot air, blowing cold air and closing; the invention automatically controls the blower to dry the resistance slurry, has high efficiency and reduces the amount of manual labor.)

1. A cold and hot automatic cycle machine which is characterized in that: including hair-dryer (1), can with commercial power electric connection's main circuit, with main circuit electric connection's control circuit, hair-dryer (1) and main circuit electric connection, control circuit can control hair-dryer (1) and be in opening, blow hot-blast, blow cold wind and closed state to control hair-dryer (1) simultaneously from blowing hot-blast, blowing cold wind, closed state carries out the single circulation.

2. The automatic cold and hot circulation machine according to claim 1, wherein: the control circuit comprises a first intermediate relay, a second intermediate relay, a first time relay, a second time relay and a normally open button switch (2), wherein the first intermediate relay comprises a first coil (3), a first movable on-off switch (4), a second movable on-off switch (5) and a third movable on-off switch (6), the second intermediate relay comprises a second coil (7) and a fourth movable on-off switch (8), the first time relay comprises a third coil (9), a first time delay movable on-off switch (10) and a first time delay movable off-off switch (11), the second time relay comprises a fourth coil (12) and a second time delay movable off-off switch (13), the normally open button switch (2), the second time delay movable off-off switch (13) and the first coil (3) are connected in series to form a first circuit, and the first time delay movable on-off switch (10) and the fourth coil (12) are connected in series to form a second circuit, the first time-delay dynamic-break switch (11) and the second coil (7) are connected in series to form a third circuit, the second dynamic-close switch (5) and the third coil (9) are connected in series to form a fourth circuit, the third circuit is connected to two ends of the third coil (9) in parallel, the first dynamic-close switch (4) is connected to two ends of the normally-open button switch (2) in parallel, and the first circuit, the second circuit and the fourth circuit are connected with the main circuit after being connected in parallel.

3. A cold-hot automatic cycle machine according to claim 2, wherein: the main circuit comprises a fifth line (14), a sixth line (15) and a seventh line (16) which are connected with the blower (1), the fifth line (14) and the seventh line (16) are respectively connected with a live wire and a zero wire of a mains supply, the third movable switch (6) and the fourth movable switch (8) are respectively connected to the fifth line (14) and the sixth line (15), one ends of the first line, the second line and the fourth line are simultaneously connected to one ends of the third movable switch (6) and the fourth movable switch (8) which deviate from the blower (1), and the other ends of the first line, the second line and the fourth line are connected to the seventh line (16).

4. A cold-hot automatic cycle machine according to claim 3, wherein: the fifth line (14) and the seventh line (16) are simultaneously connected with an air switch (17).

5. A cold-hot automatic cycle machine according to claim 2, wherein: the first line, the second line and the fourth line are simultaneously connected with an ammeter (18) in series and a voltmeter (19) in parallel.

6. A cold-hot automatic cycle machine according to claim 2, wherein: and a normally closed button switch (20) is connected in series on the first line.

7. The automatic cold and hot circulation machine according to claim 1, wherein: still include the cabinet body (21), be provided with first installation cavity and second installation cavity in the cabinet body (21), main circuit and control circuit all set up in first installation cavity, hair-dryer (1) sets up in the second installation cavity, air outlet (22) and air intake (23) have been seted up respectively to the top and the lower extreme of first installation cavity.

8. The automatic cold and hot circulation machine according to claim 7, wherein: and a cabinet door (24) capable of being opened and closed is arranged on the side surface of the first mounting cavity.

Technical Field

The invention belongs to the technical field of ceramic chip printed circuit auxiliary equipment, and relates to a cold and hot automatic circulating machine.

Background

The ceramic heating sheet (MCH) is directly arranged at AL₂O₃Printing resistance paste on alumina ceramic green bodyAfter the materials are baked at a high temperature of about 1600 ℃, and then the materials are treated by an electrode and a lead wire, the produced new generation of medium-low temperature heating element is a new generation of medium-low temperature heating element after an alloy heating wire and a PTC heating element, and is widely applied to various fields needing medium-low temperature heating, such as daily life, industrial and agricultural technologies, communication, medical treatment, environmental protection, and the like. When the ceramic heating sheet is produced, resistance slurry needs to be printed on an alumina ceramic green body, and before high-temperature sintering, the resistance slurry needs to be dried, so that the phenomenon that printed circuits are unevenly distributed or damaged due to dispersion during transfer and pressing of the alumina ceramic green body is avoided, and the production yield is improved; however, at present, the printed resistance paste is dried, and the air drying is carried out by manually holding a blower, so that the efficiency is low, and the amount of manual labor is increased.

Disclosure of Invention

Aiming at the problems, the invention provides a cold and hot automatic circulating machine which well solves the problems of low air drying efficiency and large labor capacity of printed resistance paste in the prior art.

In order to achieve the purpose, the technical scheme adopted by the invention is as follows: the utility model provides a cold and hot automatic cycle machine, includes the hair-dryer, can with commercial power electric connection's main circuit, with main circuit electric connection's control circuit, hair-dryer and main circuit electric connection, control circuit can control the hair-dryer and be in opening, blow hot-blast, blow cold wind and closed state to control the hair-dryer simultaneously and carry out the single circulation from blowing hot-blast, blowing cold wind, closed state.

Further, the control circuit comprises a first intermediate relay, a second intermediate relay, a first time relay, a second time relay and a normally open button switch, wherein the first intermediate relay comprises a first coil, a first movable on-off switch, a second movable on-off switch and a third movable on-off switch, the second intermediate relay comprises a second coil and a fourth movable on-off switch, the first time relay comprises a third coil, a first time delay movable on-off switch and a first time delay movable off-off switch, the second time relay comprises a fourth coil and a second time delay movable off-off switch, the normally open button switch, the second time delay movable off-off switch and the first coil are connected in series to form a first circuit, the first time delay movable on-off switch and the fourth coil are connected in series to form a second circuit, the first time delay movable off-off switch and the second coil are connected in series to form a third circuit, the second movable on-off switch and the third coil are connected in series to form a fourth circuit, the third circuit is connected to two ends of the third coil in parallel, the first movable switch is connected to two ends of the normally open button switch in parallel, and the first ground circuit, the second ground circuit and the fourth ground circuit are connected with the main circuit after being connected in parallel.

Furthermore, the main circuit comprises a fifth circuit, a sixth circuit and a seventh circuit which are all connected with the blower, the fifth circuit and the seventh circuit are respectively connected with a live wire and a zero wire of a commercial power, the third movable switch and the fourth movable switch are respectively connected to the fifth circuit and the sixth circuit, one end of the first circuit, one end of the second circuit and one end of the fourth circuit are simultaneously connected to the end, deviating from the blower, of the third movable switch and the end, deviating from the blower, of the fourth movable switch, and the other end of the first circuit is connected to the seventh circuit.

Further, the fifth line and the seventh line are simultaneously connected with an air switch.

Furthermore, the first line, the second line and the fourth line are simultaneously connected in series with an ammeter and are simultaneously connected in parallel with a voltmeter.

Further, a normally closed button switch is connected in series with the first line.

Further, still include the cabinet body, internal first installation cavity and the second installation cavity of being provided with of cabinet, main circuit and control circuit all set up in first installation cavity, the hair-dryer sets up in the second installation cavity, air outlet and air intake have been seted up respectively to the top and the lower extreme of first installation cavity.

Furthermore, a cabinet door capable of being opened and closed is arranged on the side face of the first installation cavity.

Compared with the prior art, the invention has the following beneficial effects:

according to the invention, the blower is connected with commercial power through the main circuit, the control circuit can control the blower to perform single circulation from a hot air blowing state, a cold air blowing state and a closed state, and when the blower performs single circulation, printed resistance paste is dried at high temperature through hot air, and then is cooled through cold air; the invention automatically controls the blower to dry the resistance slurry, has high efficiency and reduces the amount of manual labor.

Drawings

FIG. 1 is a schematic diagram of a main circuit and control circuit of the present invention;

fig. 2 is a perspective view of the cabinet body of the present invention.

In the figure: 1-a blower; 2-a push-button switch; 3-a first coil; 4-a first movable switch; 5-a second movable switch; 6-a third movable switch; 7-a second coil; 8-a fourth movable switch; 9-a third coil; 10-a first time-delay movable closing switch; 11-a first time-delay dynamic-off switch; 12-a fourth coil; 13-a second time-delay dynamic-off switch; 14-a fifth line; 15-a sixth line; 16-a seventh line; 17-an air switch; 18-an ammeter; 19-a voltmeter; 20-normally closed push-button switch; 21-a cabinet body; 22-air outlet; 23-an air inlet; 24-cabinet door.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1, the automatic cooling and heating cycle machine according to the present invention includes a blower 1, a main circuit electrically connectable to a mains supply, and a control circuit electrically connected to the main circuit, wherein the blower 1 is electrically connected to the main circuit, and the control circuit is capable of controlling the blower 1 to be in an on state, a hot air blowing state, a cold air blowing state, and an off state, and simultaneously controlling the blower 1 to perform a single cycle from the hot air blowing state, the cold air blowing state, and the off state; when the technical scheme is used, the main circuit and the control circuit are electrified, the control circuit controls the starting of the blower 1 and controls the hot air blowing, the cold air blowing and the single circulation of the closed state of the blower 1, and when the blower 1 is in the single circulation, the printed resistance paste is firstly dried at high temperature through the hot air and then cooled through the cold air; according to the invention, the blower 1 is automatically controlled to dry the resistance paste, so that the efficiency is high, and the amount of manual labor is reduced.

In this embodiment, the control circuit includes a first intermediate relay, a second intermediate relay, a first time relay, a second time relay, and a normally open button switch 2, the first intermediate relay includes a first coil 3, a first moving on-off switch 4, a second moving on-off switch 5, and a third moving on-off switch 6, the second intermediate relay includes a second coil 7 and a fourth moving on-off switch 8, the first time relay includes a third coil 9, a first time delay moving on-off switch 10, and a first time delay moving off-off switch 11, the second time relay includes a fourth coil 12 and a second time delay moving off-off switch 13, the normally open button switch 2, the second time delay moving off-off switch 13, and the first coil 3 are connected in series to form a first circuit, the first time delay moving on-off switch 10 and the fourth coil 12 are connected in series to form a second circuit, the first time delay moving off-off switch 11 and the second coil 7 are connected in series to form a third circuit, the second movable switch 5 and the third coil 9 are connected in series to form a fourth circuit, the third circuit is connected to two ends of the third coil 9 in parallel, the first movable switch 4 is connected to two ends of the normally-open button switch 2 in parallel, and the first circuit, the second circuit and the fourth circuit are connected with the main circuit after being connected in parallel; specifically, the main circuit comprises a fifth line 14, a sixth line 15 and a seventh line 16 which are connected with the hair dryer 1, the fifth line 14 and the seventh line 16 are respectively connected with a live wire and a zero wire of a mains supply, the third movable switch 6 and the fourth movable switch 8 are respectively connected to the fifth line 14 and the sixth line 15, one end of the first line, one end of the second line and one end of the fourth line are simultaneously connected to one end of the third movable switch 6 and one end of the fourth movable switch 8, which are deviated from the hair dryer 1, and the other end of the first line, the second line and the fourth line are connected to the seventh line 16.

The working principle of the main circuit and the control circuit is described as follows: when the normally open button switch 2 is pressed, the first coil 3 is electrified, the first movable switch 4, the second movable switch 5 and the third movable switch 6 are closed, the second coil 7 and the third coil 9 are electrified simultaneously, the fourth movable switch 8 is closed, the fifth circuit 14 and the sixth circuit 15 are simultaneously connected, the hair drier 1 works to blow out high-temperature hot air, after the third coil 9 is electrified for a period of time, the first time-delay movable switch 11 and the first time-delay movable switch 10 are respectively opened and closed, the second coil 7 is powered off, the fourth coil 12 is powered on, the fourth movable switch 8 is opened, only the fifth circuit 14 is connected, the hair drier 1 works to blow out cold air, after the fourth coil 12 is powered on for a period of time, the second time-delay movable switch 13 is disconnected, the first coil 3 is powered off, the first movable switch 4, the second movable switch 5 and the third movable switch 6 are disconnected, and simultaneously the second coil 7 and the third coil 9 are powered off, the first time-delay movable switch 11 and the first time-delay movable switch 10 return to the original positions, the fifth circuit 14 and the sixth circuit 15 are not connected, the blower 1 is in a closed state, and single circulation of the blower 1 from hot air blowing, cold air blowing and the closed state is completed.

In this embodiment, the air switch 17 is connected to both the fifth line 14 and the seventh line 16, and when the circuit in the main circuit is too high and exceeds the load, the circuit is disconnected, thereby protecting the main circuit, the control circuit, and the blower 1 and improving the safety of use.

In this embodiment, the first line, the second line and the fourth line are simultaneously connected in series with the ammeter 18 and are simultaneously connected in parallel with the voltmeter 19, so that the current and the voltage in the control circuit can be simultaneously detected.

In this embodiment, the normally closed button switch 20 is connected in series to the first line, and when the hair dryer 1 is abnormal in operation or needs to be turned off urgently, the normally closed button switch 20 can be pressed down, so that the first coil 3, the second coil 7 and the third coil 9 are de-energized, the third movable switch 6 and the fifth movable switch are both turned off, and the hair dryer 1 is in a turned-off state.

In this embodiment, as shown in fig. 2, the cabinet further includes a cabinet body 21, a first installation cavity and a second installation cavity are disposed in the cabinet body 21, the main circuit and the control circuit are both arranged in the first mounting cavity, the blower 1 is arranged in the second mounting cavity, the top end and the lower end of the first mounting cavity are respectively provided with an air outlet 22 and an air inlet 23, an air outlet pipeline is arranged at the air outlet 22 for the air blower 1 to perform air inlet and blowing, a cabinet door 24 is arranged on the side surface of the first installation cavity, the cabinet door 24 is hinged on the cabinet body 21, and a lock is fixed on the cabinet door 24, which is convenient for overhauling the main circuit and the control circuit in the first installation cavity, first time relay, second time relay, ampere meter 18 and voltmeter 19 all install on cabinet door 24, are convenient for observe ampere meter 18, voltmeter 19 and the time that first time relay and second time relay set for.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.