CN211293764U - Heater control device - Google Patents

Heater control device Download PDF

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Publication number
CN211293764U
CN211293764U CN201921873745.3U CN201921873745U CN211293764U CN 211293764 U CN211293764 U CN 211293764U CN 201921873745 U CN201921873745 U CN 201921873745U CN 211293764 U CN211293764 U CN 211293764U
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CN
China
Prior art keywords
circuit
sub
control
blowing
relay
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Expired - Fee Related
Application number
CN201921873745.3U
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Chinese (zh)
Inventor
李玉林
曹东
张袁春
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Jiaxing Pova Electric Appliance Co ltd
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Jiaxing Pova Electric Appliance Co ltd
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Priority to CN201921873745.3U priority Critical patent/CN211293764U/en
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Abstract

The utility model discloses a heater control device, which comprises a control switch, a lighting circuit, a heating circuit, a blowing-ventilating circuit, a first control circuit, a second control circuit and a third control circuit; the input end of the lighting circuit is connected with the live wire through the control switch, and the output end of the lighting circuit is connected with the zero line; the input end of the heating circuit is connected with the live wire through the control switch, and the output end of the heating circuit is connected with the zero line; the blowing-air exchanging circuit comprises a blowing sub-circuit, an air exchanging sub-circuit and a motor driving sub-circuit, wherein the input ends of the blowing sub-circuit and the air exchanging sub-circuit are respectively connected with a live wire through a control switch, and the output ends of the blowing sub-circuit and the air exchanging sub-circuit are connected with a zero line through the motor driving sub-circuit; the heating circuit is connected with the air blowing sub-circuit through a first control circuit, the control switch is connected with the air exchanging sub-circuit through a second control circuit, and the air blowing sub-circuit is connected with the motor driving sub-circuit through a third control circuit. Adopt the utility model discloses, can guarantee the collaborative work of each functional circuit, prevent that the motor from burning out.

Description

Heater control device
Technical Field
The utility model relates to an electricity technical field especially relates to a heater control device.
Background
At present, special switches are required to be adopted for air heating in the market, and once the switches are broken, the special switches are required to be provided by manufacturers, so that the use of users is delayed; meanwhile, once the manufacturer stops production, the whole machine is scrapped. Therefore, it has become especially important to design an alternative universal heater control device.
The existing single-motor indoor heater mainly comprises a blowing function, a ventilation function, an illumination function and a heating function. Specifically, the operation principle of each function is as follows:
the lighting function is as follows: independently controlling;
heating function: the heating function is that the blowing motor drives the impeller to rotate to form airflow, and the airflow forms hot air through the heating block in the heater, so that the blowing function must be connected to output the hot air while the heating function is connected to work;
the air blowing function is as follows: when the single motor rotates forwards (rotates clockwise), the ventilation function must be closed when the blowing function is switched on;
the ventilation function is as follows: when the single motor rotates reversely (rotates anticlockwise), the air blowing function must be closed when the air exchange function is switched on.
However, when an electrician installs the heating device, the circuit of the ventilation motor and the circuit of the blowing motor are connected in a wrong way, so that the blowing function is not started when the heating function is started, the heating device is dried, the product is damaged, or the blowing function and the ventilation function are simultaneously connected, and the motor is burnt out.
Therefore, how to avoid the above problems to ensure the normal use of the product has become an urgent problem to be solved.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a simple structure's heater control device is provided, can guarantee the collaborative work of each functional circuit, prevents that the motor from burning out.
In order to solve the above technical problem, the present invention provides a heater control device, which comprises a control switch, a lighting circuit, a heating circuit, a blowing-ventilating circuit, a first control circuit, a second control circuit and a third control circuit; the input end of the lighting circuit is connected with a live wire through a control switch, and the output end of the lighting circuit is connected with a zero line; the input end of the heating circuit is connected with the live wire through the control switch, and the output end of the heating circuit is connected with the zero line; the air blowing-air exchanging circuit comprises an air blowing sub-circuit, an air exchanging sub-circuit and a motor driving sub-circuit, wherein the input ends of the air blowing sub-circuit and the air exchanging sub-circuit are respectively connected with a live wire through control switches, and the output ends of the air blowing sub-circuit and the air exchanging sub-circuit are connected with a zero line through the motor driving sub-circuit; the heating circuit is connected with the air blowing sub-circuit through a first control circuit, the control switch is connected with the air exchanging sub-circuit through a second control circuit, and the air blowing sub-circuit is connected with the motor driving sub-circuit through a third control circuit.
As an improvement of the above scheme, the first control circuit comprises a first relay and a first resistance-capacitance voltage reduction circuit for supplying power to the first relay; the movable contact of the first relay is connected with a heating circuit, and the normally open contact is connected with a blowing sub-circuit; the input end of the first resistance-capacitance voltage reduction circuit is connected with the heating circuit, and the output end of the first resistance-capacitance voltage reduction circuit is connected with the first relay and the zero line respectively.
As an improvement of the above scheme, the second control circuit comprises a second relay and a second resistance-capacitance voltage reduction circuit for supplying power to the second relay; the movable contact of the second relay is connected with the air exchange sub-circuit, and the normally closed contact is connected with the air exchange sub-circuit; the input end of the second resistance-capacitance voltage reduction circuit is connected with the blowing sub-circuit, and the output end of the second resistance-capacitance voltage reduction circuit is connected with the second relay and the zero line respectively.
As a modification of the above scheme, the third control circuit includes a third relay and a third rc step-down circuit for supplying power to the third relay; the movable contact of the third relay is connected with the blowing sub-circuit, and the normally closed contact is connected with the motor driving sub-circuit; the input end of the third resistance-capacitance voltage reduction circuit is connected with the air exchange sub-circuit, and the output end of the third resistance-capacitance voltage reduction circuit is respectively connected with the third relay and the zero line.
As an improvement of the above scheme, the first control circuit, the second control circuit and the third control circuit are silicon controlled controllers.
As an improvement of the scheme, the control switch is a four-opening single-control switch, one switch terminal of the four-opening single-control switch is connected with the lighting circuit, one switch terminal of the four-opening single-control switch is connected with the heating circuit, one switch terminal of the four-opening single-control switch is connected with the blowing sub-circuit, and one switch terminal of the four-opening single-control switch is connected with the ventilation sub-circuit.
As an improvement of the scheme, the motor driving sub-circuit comprises a capacitor and a motor which are connected in parallel, and the motor is an asynchronous bidirectional motor.
As an improvement of the scheme, the heating circuit comprises at least one heater.
As an improvement of the scheme, the heating circuit further comprises a normally closed temperature controller connected with the heater in series, and the heater is arranged in the detection range of the normally closed temperature controller.
As a refinement of the above, the lighting circuit comprises at least one LED lamp.
Implement the utility model has the advantages that:
the utility model discloses be provided with first control circuit, second control circuit and third control circuit among the heater controlling means, through the on-off control to first control circuit, second control circuit and third control circuit can realize the heating circuit, blow-nimble switching between the scavenging circuit, simple structure, the suitability is strong. Specifically, when the heating function is started, the first control circuit is closed, the second control circuit is opened, and the third control circuit is closed, so that the heating circuit and the blowing sub-circuit work, and the ventilation sub-circuit does not work; when the blowing function is started, the first control circuit is switched off, the second control circuit is switched off, and the third control circuit is switched on, so that the blowing sub-circuit works, and the heating circuit and the ventilation sub-circuit do not work; when the ventilation function is started, the first control circuit is closed, the second control circuit is closed, the third control circuit is opened, the ventilation sub-circuit works, and the heating circuit and the blowing sub-circuit do not work. Therefore, the utility model discloses can effectively ensure to take a breath the sub-circuit and can not the simultaneous working with the sub-circuit of blowing, and the heating circuit with blow the sub-circuit simultaneous working, avoid burning out the motor.
Drawings
Fig. 1 is a circuit diagram of a first embodiment of the heater control device of the present invention;
fig. 2 is a circuit diagram of a second embodiment of the heater control device of the present invention;
fig. 3 is a circuit diagram of a third embodiment of the heater control device of the present invention;
fig. 4 is a circuit diagram of a fourth embodiment of the heater control device of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, fig. 1 shows a circuit diagram of a first embodiment of the heater control device of the present invention, which includes a control switch K (see fig. 2-4), a lighting circuit, a heating circuit, a blowing-ventilating circuit, a first control circuit P1, a second control circuit P2 and a third control circuit P3. Specifically, the method comprises the following steps:
the lighting circuit comprises at least one LED lamp, the input end of the lighting circuit is connected with the live wire L through the control switch K, and the output end of the lighting circuit is connected with the zero line N.
The heating circuit comprises at least one heater PTC, the input end of the heating circuit is connected with the live wire L through the control switch K, and the output end of the heating circuit is connected with the zero wire N.
The blowing-air exchange circuit comprises a blowing sub-circuit, an air exchange sub-circuit and a motor driving sub-circuit, wherein the blowing sub-circuit and the motor driving sub-circuit form a blowing circuit, the air exchange sub-circuit and the motor driving sub-circuit form an air exchange circuit, the motor driving sub-circuit comprises a capacitor C and a motor M which are connected in parallel, and the motor M is an asynchronous bidirectional motor; the input ends of the blowing sub-circuit and the air interchanging sub-circuit are respectively connected with a live wire L through a control switch K, and the output ends of the blowing sub-circuit and the air interchanging sub-circuit are connected with a zero line N through a motor driving sub-circuit; the heating circuit is connected with the blowing sub-circuit through a first control circuit P1, the control switch K is connected with the ventilation sub-circuit through a second control circuit P2, and the blowing sub-circuit is connected with the motor driving sub-circuit through a third control circuit P3.
When the multifunctional electric heating device works, a user can drive any group of circuits (the lighting circuit, the heating circuit, the blowing circuit and the ventilation circuit) through the control switch K so as to realize the selective starting of functions. And simultaneously, the utility model discloses the linkage between heating circuit, the circuit of blowing and the circuit of taking a breath is realized to the first control circuit P1 of accessible, second control circuit P2 and third control circuit P3, specifically:
(1) when the heating circuit is started, the first control circuit P1 drives the blowing circuit to be started, the second control circuit P2 cuts off the ventilation circuit, and the third control circuit P3 ensures that the ventilation circuit is closed, so that the conditions of starting the heating circuit, starting the ventilation circuit, cutting off the blowing circuit and burning out the motor are avoided.
(2) When the circuit of blowing starts, the heating circuit disconnection, second control circuit P2 disconnection circuit of taking a breath guarantees that the circuit of taking a breath closes to avoid "the circuit of blowing and the circuit of taking a breath start simultaneously, burn out the condition of motor".
(3) When the ventilation circuit is started, the heating circuit is disconnected, the second control circuit P2 controls the ventilation circuit to normally work, and the third control circuit P3 disconnects the blowing circuit, so that the situation that the blowing circuit and the ventilation circuit are started at the same time to burn out the motor is avoided.
Therefore, the utility model discloses an on-off control to first control circuit P1, second control circuit P2 and third control circuit P3 realizes the heating circuit, bloies-the nimble switching between the circuit of taking a breath, simple structure, and the suitability is strong.
As shown in fig. 2 to 4, the control switch K is a four-way single-control switch, one switch terminal of the four-way single-control switch is connected to the lighting circuit, one switch terminal of the four-way single-control switch is connected to the heating circuit, one switch terminal of the four-way single-control switch is connected to the blowing sub-circuit, and one switch terminal of the four-way single-control switch is connected to the ventilation sub-circuit.
It should be noted that, the existing heaters in the market must adopt a professional switch, once the switch is broken, the heater must be provided by a manufacturer, the use of the heater is delayed, and once the manufacturer stops production, the whole machine is scrapped. And the utility model provides a control switch K chooses for use four split single control switches, for general device, purchases easily, can effectively reduce the replacement cost.
In addition, the heating circuit further comprises a normally closed temperature controller connected with the heater PTC in series, and the heater PTC is arranged in the detection range of the normally closed temperature controller. When the heating function starts and the function of blowing does not start, the heater PTC burns futilely for near the heater PTC produces high temperature, and when the normal close temperature controller detected near the heater PTC temperature anomaly, the normal close temperature controller disconnection, thereby avoid the heater PTC to continue to burn futilely, guarantee indoor heater's safe handling.
Specifically, the first control circuit, the second control circuit and the third control circuit may be silicon controlled controllers or relay control circuits, as long as effective switching of different circuits can be realized.
2-4, the first control circuit P1 includes a first relay K1 and a first RC voltage-reducing circuit Q1 for supplying power to the first relay K1; the movable contact of the first relay K1 is connected with a heating circuit, and the normally open contact is connected with a blowing sub-circuit; the input end of the first resistance-capacitance voltage reduction circuit Q1 is connected with a heating circuit, and the output end of the first resistance-capacitance voltage reduction circuit Q1 is connected with a first relay K1 and a zero line N respectively. The second control circuit P2 comprises a second relay K2 and a second resistance-capacitance voltage reduction circuit Q2 for supplying power to the second relay K2; the movable contact of the second relay K2 is connected with the air exchange sub-circuit, and the normally closed contact is connected with the air exchange sub-circuit; the input end of the second resistance-capacitance voltage reduction circuit Q2 is connected with the blowing sub-circuit, and the output end of the second resistance-capacitance voltage reduction circuit Q2 is respectively connected with the second relay K2 and the zero line N. The third control circuit P3 comprises a third relay K3 and a third resistor-capacitor voltage reduction circuit Q3 for supplying power to the third relay K3; the movable contact of the third relay K3 is connected with the blowing sub-circuit, and the normally closed contact is connected with the motor driving sub-circuit; the input end of the third resistance-capacitance voltage reduction circuit Q3 is connected with the ventilation sub-circuit, and the output end of the third resistance-capacitance voltage reduction circuit Q3 is respectively connected with the third relay K3 and the zero line.
Preferably, the first RC voltage dropping circuit Q1, the second RC voltage dropping circuit Q2 and the third RC voltage dropping circuit Q3 may be RC circuits, but not limited thereto.
The present invention will be described in further detail with reference to specific examples.
Referring to fig. 2, fig. 2 shows a circuit diagram of a second embodiment of the single motor M heater of the present invention.
When the heating circuit starts, the heating circuit supplies power to first resistance-capacitance voltage reduction circuit Q1, first resistance-capacitance voltage reduction circuit Q1 supplies power to first relay K1 after getting the electricity, the coil of first relay K1 circular telegram, the movable contact is put through with normally open contact so that the son circuit of blowing switches on, at this moment, the son circuit of blowing supplies power to second resistance-capacitance voltage reduction circuit Q2, second resistance-capacitance voltage reduction circuit Q2 gets the electricity and supplies power to second relay K2, the coil circular telegram of second relay K2, the movable contact is contacted with normally open contact so that the son circuit of taking a breath breaks off, at this moment, third resistance-capacitance voltage reduction circuit Q3 does not get the electricity, the coil of third relay K3 does not circular telegram, thereby avoid "the heating circuit starts, the circuit of taking a breath starts, the circuit of blowing breaks off, burn out the condition of motor".
Referring to fig. 3, fig. 3 shows a circuit diagram of a third embodiment of the single motor M heater of the present invention.
When the circuit of blowing starts, the sub-circuit of blowing supplies power to second resistance-capacitance step-down circuit Q2, second resistance-capacitance step-down circuit Q2 gets to supply power to second relay K2 after the electricity, the coil circular telegram of second relay K2, the movable contact contacts with normally open contact so that the sub-circuit of taking a breath breaks off, at this moment, third resistance-capacitance step-down circuit Q3 does not get to the electricity, third relay K3's coil does not circular telegram, thereby avoid "the circuit of blowing and the circuit of taking a breath start simultaneously, burn out the condition of motor".
Referring to fig. 4, fig. 4 shows a circuit diagram of a fourth embodiment of the single motor M heater of the present invention.
When the circuit that takes a breath starts, first resistance-capacitance step-down circuit Q1 and second resistance-capacitance step-down circuit Q2 do not act on, the coil of second relay K2 is not circular telegram, the movable contact contacts with normally closed contact so that the sub-circuit that takes a breath switches on, at this moment, third resistance-capacitance step-down circuit Q3 gets electric, the coil of third relay K3 circular telegram, the movable contact contacts with normally open contact, so that the circuit disconnection of blowing, thereby avoid "blowing circuit and the circuit that takes a breath start simultaneously, burn out the condition of motor".
By the above, the utility model discloses in be provided with first control circuit P1, second control circuit P2 and third control circuit P3, through the on-off control to first control circuit P1, second control circuit P2 and third control circuit P3 realize the heating circuit, blow-the nimble switching between the scavenging circuit, simple structure, the suitability is strong.
The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, many modifications and decorations can be made without departing from the principle of the invention, and these modifications and decorations are also regarded as the protection scope of the present invention.

Claims (10)

1. A heater control device is characterized by comprising a control switch, a lighting circuit, a heating circuit, a blowing-ventilating circuit, a first control circuit, a second control circuit and a third control circuit;
the input end of the lighting circuit is connected with a live wire through a control switch, and the output end of the lighting circuit is connected with a zero line;
the input end of the heating circuit is connected with the live wire through the control switch, and the output end of the heating circuit is connected with the zero line;
the air blowing-air exchanging circuit comprises an air blowing sub-circuit, an air exchanging sub-circuit and a motor driving sub-circuit, wherein the input ends of the air blowing sub-circuit and the air exchanging sub-circuit are respectively connected with a live wire through control switches, and the output ends of the air blowing sub-circuit and the air exchanging sub-circuit are connected with a zero line through the motor driving sub-circuit;
the heating circuit is connected with the air blowing sub-circuit through a first control circuit, the control switch is connected with the air exchanging sub-circuit through a second control circuit, and the air blowing sub-circuit is connected with the motor driving sub-circuit through a third control circuit.
2. The heater control apparatus of claim 1 wherein the first control circuit comprises a first relay and a first rc voltage reduction circuit for powering the first relay;
the movable contact of the first relay is connected with a heating circuit, and the normally open contact is connected with a blowing sub-circuit;
the input end of the first resistance-capacitance voltage reduction circuit is connected with the heating circuit, and the output end of the first resistance-capacitance voltage reduction circuit is connected with the first relay and the zero line respectively.
3. The heater control apparatus of claim 1, wherein the second control circuit comprises a second relay and a second rc voltage dropping circuit for powering the second relay;
the movable contact of the second relay is connected with the air exchange sub-circuit, and the normally closed contact is connected with the air exchange sub-circuit;
the input end of the second resistance-capacitance voltage reduction circuit is connected with the blowing sub-circuit, and the output end of the second resistance-capacitance voltage reduction circuit is connected with the second relay and the zero line respectively.
4. The heater control apparatus of claim 1 wherein the third control circuit comprises a third relay and a third rc voltage dropping circuit for powering the third relay;
the movable contact of the third relay is connected with the blowing sub-circuit, and the normally closed contact is connected with the motor driving sub-circuit;
the input end of the third resistance-capacitance voltage reduction circuit is connected with the air exchange sub-circuit, and the output end of the third resistance-capacitance voltage reduction circuit is respectively connected with the third relay and the zero line.
5. The heater control apparatus of claim 1 wherein the first control circuit, the second control circuit and the third control circuit are thyristor controllers.
6. The heater control device according to claim 1, wherein the control switch is a four-way single control switch, one switch terminal of the four-way single control switch is connected with the lighting circuit, one switch terminal of the four-way single control switch is connected with the heating circuit, one switch terminal of the four-way single control switch is connected with the blowing sub-circuit, and one switch terminal of the four-way single control switch is connected with the ventilation sub-circuit.
7. The heater control apparatus of claim 1 wherein the motor drive sub-circuit comprises a capacitor and a motor connected in parallel with each other, the motor being an asynchronous bi-directional motor.
8. The heater control device of claim 1, wherein the heating circuit comprises at least one heater.
9. The heater control device according to claim 8, wherein the heating circuit further comprises a normally closed thermostat in series with a heater, the heater being disposed within a detection range of the normally closed thermostat.
10. The heater control device of claim 1 wherein said lighting circuit comprises at least one LED light.
CN201921873745.3U 2019-11-01 2019-11-01 Heater control device Expired - Fee Related CN211293764U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921873745.3U CN211293764U (en) 2019-11-01 2019-11-01 Heater control device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921873745.3U CN211293764U (en) 2019-11-01 2019-11-01 Heater control device

Publications (1)

Publication Number Publication Date
CN211293764U true CN211293764U (en) 2020-08-18

Family

ID=72020401

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921873745.3U Expired - Fee Related CN211293764U (en) 2019-11-01 2019-11-01 Heater control device

Country Status (1)

Country Link
CN (1) CN211293764U (en)

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20200818

Termination date: 20201101

CF01 Termination of patent right due to non-payment of annual fee