CN203595951U - Automatic heating, thermal insulation control circuit of sweetened bean paste control box - Google Patents
Automatic heating, thermal insulation control circuit of sweetened bean paste control box Download PDFInfo
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- CN203595951U CN203595951U CN201320623784.4U CN201320623784U CN203595951U CN 203595951 U CN203595951 U CN 203595951U CN 201320623784 U CN201320623784 U CN 201320623784U CN 203595951 U CN203595951 U CN 203595951U
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- heating
- circuit
- relay
- contactor
- thermal insulation
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Abstract
The utility model discloses an automatic heating, thermal insulation control circuit of a sweetened bean paste control box comprising a heating thermal insulation switching circuit, a heating driving circuit, a thermal insulation driving circuit, a heating circuit, and a thermal insulation circuit. The control circuit is characterized in that the heating thermal insulation switching circuit is constituted by a heating wire group and an AC contactor; the heating driving circuit is constituted by a first relay, a first time relay, a first on-delay normally-closed contact of the first time relay; the thermal insulation driving circuit is constituted by a second relay, a second time relay, a first on-delay normally-opened contact of the first time relay, and a second on-delay normally-closed contact of the second time relay; the heating circuit is constituted by a heating contactor, a heating element, and a first normally-opened contact of the first relay; and the thermal insulation circuit is constituted by a thermal insulation contactor, a thermal insulation element, and a second normally-opened contact of the second relay. The automatic heating, thermal insulation control circuit is advantageous in that the heating time and the thermal insulation time of the circuit can be controlled by two time relays, and the manual supervision is not required, and therefore the labor force and the electric energy consumption can be reduced by comparing with the direct heating way.
Description
Technical field
The utility model relates to a kind of Automatic-heating, heat-preservation control circuit of sweetened bean paste machine control box.
Background technology
Current sweetened bean paste machine adopts direct type of heating heating, but long-time high power work and artificial carelessness easily cause it to burn out, and affect the working (machining) efficiency of sweetened bean paste.
Utility model content
Technical problem to be solved in the utility model is for shortcomings and deficiencies of the prior art, a kind of Automatic-heating, heat-preservation control circuit of sweetened bean paste machine control box are provided, this control circuit only need set heat time and temperature retention time, high or low power can automatically switch, keep an eye on without personnel, reduced artificial and electric energy than direct heating.
The technical matters that the utility model solves can realize by the following technical solutions:
Automatic-heating, the heat-preservation control circuit of sweetened bean paste machine control box, is characterized in that, comprising:
One is attempted by the heating and thermal insulation commutation circuit at two ends, mains circuit, and described heating and thermal insulation commutation circuit comprises heating wire group and A.C. contactor, and described A.C. contactor is connected in series with described heating wire group;
One is attempted by the heat driven circuit at two ends, mains circuit, described heat driven circuit comprises the first on-delay normally closed contact of the first relay, very first time relay and very first time relay, and described the first relay is connected in series with described the first on-delay normally closed contact with very first time relay and after connecing;
One is attempted by the insulation driving circuit at two ends, mains circuit, described insulation driving circuit comprises the first on-delay normally opened contact of the second relay, second time relay, very first time relay and the second on-delay normally closed contact of second time relay, described the second relay and second time relay and connect after be connected in series with described the first on-delay normally opened contact, the second on-delay normally closed contact successively;
One is attempted by the heater circuit at two ends, mains circuit, described heater circuit comprises the first normally opened contact that heats contactor, heating element and described the first relay, described heating contactor and heating element and connect after be connected in series with the first normally opened contact of described the first relay, the first branch road of A.C. contactor moves described in the movable contact spring control of described heating contactor;
One is attempted by the thermal circuit at two ends, mains circuit, described thermal circuit comprises the second normally opened contact that is incubated contactor, warm keeping element and described the second relay, described insulation contactor and warm keeping element and connect after be connected in series with the second normally opened contact of described the second relay, the second branch road of A.C. contactor moves described in the movable contact spring control of described insulation contactor.
In a kind of preferred embodiment of the present utility model, described heating wire group is made up of three heating wire in parallel, and the movable contact spring of described heating contactor is connected with three heating wire respectively, and the movable contact spring of described insulation contactor is connected with two heating wire wherein respectively.
Owing to having adopted technical scheme as above, the utility model adopts heat time and the temperature retention time of two time relay control circuits, only need set heat time and temperature retention time, and high or low power can automatically switch, keep an eye on without personnel, reduced artificial and electric energy than direct heating.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is circuit theory diagrams of the present utility model.
Embodiment
For technological means, creation characteristic that the utility model is realized, reach object and effect is easy to understand, below in conjunction with concrete diagram, further set forth the utility model.
Automatic-heating, the heat-preservation control circuit of a kind of sweetened bean paste machine control box shown in Figure 1, comprise heating and thermal insulation commutation circuit L1, heat driven circuit L2, insulation driving circuit L3, heater circuit L4, thermal circuit L5.
The two ends of heating and thermal insulation commutation circuit L1 are attempted by two ends, mains circuit; heating and thermal insulation commutation circuit L1 comprises heating wire group R and A.C. contactor K; A.C. contactor K is connected in series with heating wire group R; heating wire group R is made up of three heating wire R1, R2, R3 in parallel, is serially connected with a manual protection switch Q1 on heating and thermal insulation commutation circuit L1.
The two ends of heat driven circuit L2 are attempted by two ends, mains circuit, heat driven circuit L2 comprises the first relay K 1, the first on-delay normally closed contact KT1-1 of very first time relay K T1 and very first time relay K T1, the first relay K 1 is connected in series with the first on-delay normally closed contact KT1-1 with very first time relay K T1 and after connecing, at the first on-delay normally closed contact KT1-1 away from the first relay K 1, on the main line of one end of very first time relay K T1, be serially connected with successively a manual protection switch Q2, Manual press normally closed switch SB1, Manual press normal open switch SB2, and at the two ends of Manual press normal open switch SB2 and be connected to the second normally opened contact K1-2 of the first relay K 1.
The two ends of insulation driving circuit L3 are attempted by two ends, mains circuit, insulation driving circuit L3 comprises the second relay K 2, the second time relay KT2, the second on-delay normally closed contact KT2-1 of the first on-delay normally opened contact KT1-2 of very first time relay K T1 and the second time relay KT2, the second relay K 2 and the second time relay KT2 and connect after successively with the second on-delay normally closed contact KT2-1, the first on-delay normally opened contact KT1-2 serial connection, the input end of the first on-delay normally opened contact KT1-2 is connected with the input end of Manual press normal open switch SB2, at the two ends of the first on-delay normally opened contact KT1-2 and be connected to the second normal open switch K2-2 of the second relay K 2.
The two ends of heater circuit L4 are attempted by two ends, mains circuit, heater circuit L4 comprises heating contactor KM1, the first normally opened contact K1-1 of heating element P1 and the first relay K 1, heat contactor KM1 and heating element P1 and connect afterwards and be connected in series with the first normally opened contact K1-1 of the first relay K 1, the input end of the first normally opened contact K1-1 is connected on the input end of Manual press normally closed switch SB1, three movable contact spring KM1-3 of heating contactor KM1 control the first branch road action of A.C. contactor K, even if heating element P1 connects three heating wire R1, R2, R3, play heating effect.
The two ends of thermal circuit L5 are attempted by two ends, mains circuit, thermal circuit L5 comprises insulation contactor KM2, the first normally opened contact K2-1 of warm keeping element P2 and the second relay K 2, be incubated contactor KM2 and warm keeping element P2 and connect afterwards and be connected in series with the first normally opened contact K2-1 of the second relay K 2, the input end of the first normally opened contact K2-1 is connected on the input end of Manual press normally closed switch SB1, wherein the second branch road action of two movable contact spring KM2-2 control A.C. contactor K of insulation contactor KM2, even if warm keeping element P2 connects three heating wire R1, R2, in R3 wherein two, play heat insulation effect.
Principle of work of the present utility model is as follows:
Set in advance the energising power-off actuation time of very first time relay K T1 and the second time relay KT2, be heat time and the temperature retention time of sweetened bean paste machine, closed manually protection switch Q1, Q2 when work, after manual closing Manual press normal open switch SB2, the first relay K 1, very first time relay K T1 in heat driven circuit L2 obtain electric work, make the first normally opened contact K1-1 closure in heater circuit L4, now heating contactor KM1, the heating element P1 in heater circuit L4 obtains electric work, plays heating effect, when being heated to after the heat time of setting, the first on-delay normally closed contact KT1-1 of very first time relay K T1 disconnects, very first time relay K T1 dead electricity, make the first on-delay normally opened contact KT1-2 closure of very first time relay K T1, the second relay K 2 in insulation driving circuit L3, the second time relay KT2 obtains electric work, make the first normally opened contact K2-1 closure of the second relay K 2 in thermal circuit L5, the now insulation contactor KM2 in thermal circuit L5, warm keeping element P2 obtains electric work, play heat insulation effect, when temperature retention time reaches after the temperature retention time of setting, circuit repeats above-mentioned steps always, reaching high or low power can automatic switching function, keep an eye on without personnel, artificial and electric energy are reduced than directly heating.
More than show and described ultimate principle of the present utility model and principal character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; that in above-described embodiment and instructions, describes just illustrates principle of the present utility model; do not departing under the prerequisite of the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (2)
1. the Automatic-heating of sweetened bean paste machine control box, a heat-preservation control circuit, is characterized in that, comprising:
One is attempted by the heating and thermal insulation commutation circuit at two ends, mains circuit, and described heating and thermal insulation commutation circuit comprises heating wire group and A.C. contactor, and described A.C. contactor is connected in series with described heating wire group;
One is attempted by the heat driven circuit at two ends, mains circuit, described heat driven circuit comprises the first on-delay normally closed contact of the first relay, very first time relay and very first time relay, and described the first relay is connected in series with described the first on-delay normally closed contact with very first time relay and after connecing;
One is attempted by the insulation driving circuit at two ends, mains circuit, described insulation driving circuit comprises the first on-delay normally opened contact of the second relay, second time relay, very first time relay and the second on-delay normally closed contact of second time relay, described the second relay and second time relay and connect after be connected in series with described the first on-delay normally opened contact, the second on-delay normally closed contact successively;
One is attempted by the heater circuit at two ends, mains circuit, described heater circuit comprises the first normally opened contact that heats contactor, heating element and described the first relay, described heating contactor and heating element and connect after be connected in series with the first normally opened contact of described the first relay, the first branch road of A.C. contactor moves described in the movable contact spring control of described heating contactor;
One is attempted by the thermal circuit at two ends, mains circuit, described thermal circuit comprises the second normally opened contact that is incubated contactor, warm keeping element and described the second relay, described insulation contactor and warm keeping element and connect after be connected in series with the second normally opened contact of described the second relay, the second branch road of A.C. contactor moves described in the movable contact spring control of described insulation contactor.
2. Automatic-heating, the heat-preservation control circuit of a kind of sweetened bean paste machine control box as claimed in claim 1, it is characterized in that, described heating wire group is made up of three heating wire in parallel, the movable contact spring of described heating contactor is connected with three heating wire respectively, and the movable contact spring of described insulation contactor is connected with two heating wire wherein respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320623784.4U CN203595951U (en) | 2013-10-10 | 2013-10-10 | Automatic heating, thermal insulation control circuit of sweetened bean paste control box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320623784.4U CN203595951U (en) | 2013-10-10 | 2013-10-10 | Automatic heating, thermal insulation control circuit of sweetened bean paste control box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203595951U true CN203595951U (en) | 2014-05-14 |
Family
ID=50676819
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320623784.4U Expired - Fee Related CN203595951U (en) | 2013-10-10 | 2013-10-10 | Automatic heating, thermal insulation control circuit of sweetened bean paste control box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203595951U (en) |
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2013
- 2013-10-10 CN CN201320623784.4U patent/CN203595951U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140514 Termination date: 20171010 |