CN219800020U - Control circuit for dry production - Google Patents
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- CN219800020U CN219800020U CN202321312836.6U CN202321312836U CN219800020U CN 219800020 U CN219800020 U CN 219800020U CN 202321312836 U CN202321312836 U CN 202321312836U CN 219800020 U CN219800020 U CN 219800020U
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 24
- 238000010981 drying operation Methods 0.000 claims abstract description 6
- 238000001035 drying Methods 0.000 claims description 28
- 238000000034 method Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 230000005611 electricity Effects 0.000 description 3
- 238000009413 insulation Methods 0.000 description 2
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Abstract
The utility model discloses a control circuit for dry production, which comprises: the control module controls the execution module to work, and the execution module executes the drying operation; the control module comprises a starting control unit and a stopping control unit, the starting control unit outputs a first starting signal and a second starting signal, and the stopping control unit outputs a first stopping signal and a second stopping signal; the execution module comprises a first execution unit and a second execution unit, wherein the first execution unit is started according to a first starting signal, the second execution unit is started according to a second starting signal when the first starting signal output meets a first preset time duration, the second execution unit is stopped according to a first stopping signal, and the first execution unit is stopped according to a second stopping signal when the first stopping signal output meets a second preset time duration. The control module of the utility model effectively reduces the current impact of the power distribution system by controlling the execution module to start and stop in sequence.
Description
Technical Field
The utility model relates to the technical field of electrical control, in particular to a control circuit for dry production.
Background
The automobile roof has the effects of sound insulation and heat insulation as an important part of an automobile, and the automobile roof is produced by a dry method in the production process, and the dry method production needs to provide a higher temperature.
At present, in the dry production process, the high temperature generated by the oven is generally adopted for drying, and the volume of the oven is larger generally, including an upper oven and a lower oven, however, the whole oven generates larger current at the moment of opening, and the impact on a power distribution system is larger.
Disclosure of Invention
The utility model provides a control circuit for dry production, which solves the problem that large current generated when equipment is started in the prior art impacts a power distribution system greatly.
According to an aspect of the present utility model, there is provided a control circuit for dry production, comprising: the device comprises a control module and an execution module, wherein the control module is connected with the execution module; the control module is used for controlling the execution module to work, and the execution module is used for executing drying operation;
the control module comprises a starting control unit and a stopping control unit, the starting control unit is connected with the stopping control unit, the starting control unit is used for outputting a first starting signal and a second starting signal, and the stopping control unit is used for outputting a first stopping signal and a second stopping signal;
the execution module comprises a first execution unit and a second execution unit, the first execution unit is connected with the starting control unit and the stopping control unit, the second execution unit is connected with the starting control unit and the stopping control unit, the first execution unit is used for starting according to the first starting signal, the second execution unit is used for starting according to the second starting signal when the first starting signal output meets a first preset time duration, the second execution unit is used for stopping according to the first stopping signal, and the first execution unit is used for stopping according to the second stopping signal when the first stopping signal output meets a second preset time duration.
Optionally, the start control unit includes start button, first switch, second switch, third switch, fourth switch and first timing switch, the positive pole of first power is connected to the first end of start button, the second end of start button is connected first switch, first switch is used for switching on when start button presses, first timing switch is connected first switch, first timing switch is used for switching on when first switch switches on and satisfies first predetermined time duration, the second switch is connected first timing switch, the second switch is used for switching on when first timing switch switches on, the third switch is connected first switch with first execution unit, the third switch is used for switching on when first switch switches on, the fourth switch is connected second switch with second execution unit, the fourth switch is used for switching on when second switch switches on.
Optionally, the stop control unit includes a stop button, a fifth switch and a second timing switch, wherein a first end of the stop button is connected with the first switch, a second end of the stop button is connected with the fifth switch, the fifth switch is used for being turned on when the stop button is pressed, the second switch is connected with the fifth switch, the second switch is used for being turned off after the fifth switch is turned on, the second timing switch is connected with the fifth switch, the second timing switch is used for being turned on when the fifth switch is turned on for a second preset time period, the first switch is connected with the second timing switch, the first switch is used for being turned off when the second timing switch is turned on, the third switch is used for being turned off when the first switch is turned off, and the fourth switch is used for being turned off when the second switch is turned off.
Optionally, the first switch includes a first relay, the second switch includes a second relay, the third switch includes a third relay, the fourth switch includes a fourth relay, and the first timing switch includes a first timing relay; the first end of the first relay coil is connected with the second end of the starting key, the second end of the first relay coil is connected with the negative electrode of the first power supply, the first end of the first normally open contact of the first relay is connected with the first end of the starting key, the second end of the first normally open contact of the first relay is connected with the second end of the starting key, the first end of the second normally open contact of the first relay is connected with the positive electrode of the first power supply, the second end of the second normally open contact of the first relay is connected with the first end of the third relay coil, and the second end of the third relay coil is connected with the negative electrode of the first power supply; the first end of the first timing relay coil is connected with the first end of the first relay coil, the second end of the first timing relay coil is connected with the negative electrode of the first power supply, the first end of the first timing relay normally open contact is connected with the first switch, the second end of the first timing relay normally open contact is connected with the first end of the second relay coil, the second end of the second relay coil is connected with the negative electrode of the first power supply, the first end of the second relay normally open contact is connected with the positive electrode of the first power supply, the second end of the second relay normally open contact is connected with the first end of the fourth relay coil, and the second end of the fourth relay coil is connected with the negative electrode of the first power supply.
Optionally, the fifth switch includes a fifth relay, and the second timing switch includes a second timing relay; the first end of the fifth relay coil is connected with the second end of the stop button, the second end of the fifth relay coil is connected with the negative electrode of the first power supply, the first end of the fifth relay normally-closed contact is connected with the first switch, the second end of the fifth relay normally-closed contact is connected with the first end of the first timing relay normally-open contact, the first end of the fifth relay normally-open contact is connected with the first end of the stop button, the second end of the fifth relay normally-open contact is connected with the second end of the stop button, the first end of the second timing relay coil is connected with the first end of the fifth relay coil, the second end of the second timing relay coil is connected with the negative electrode of the first power supply, the first end of the second timing relay normally-closed contact is connected with the positive electrode of the first power supply, and the second end of the second timing relay normally-closed contact is connected with the first end of the first relay coil.
Optionally, the first execution unit includes a first drying device, the second execution unit includes a second drying device, and the first drying device and the second drying device are both connected with the control module.
Optionally, the dry-process control circuit further comprises a second power supply for powering the execution module.
Optionally, the control circuit for dry production further comprises a circuit breaker, wherein the circuit breaker is connected with the second power supply, and the circuit breaker is used for controlling the second power supply to be connected with or disconnected from the execution module.
Optionally, the control circuit of dry production further comprises a protection module, wherein the protection module is used for protecting the module of the circuit.
Optionally, the protection module includes a first fuse and a second fuse, the first fuse is connected with the first execution unit, and the second fuse is connected with the second execution unit.
The technical scheme of the embodiment of the utility model provides a control circuit for dry production, which comprises the following components: the control module is used for controlling the execution module to work, and the execution module is used for executing drying operation; the control module comprises a starting control unit and a stopping control unit, the starting control unit outputs a first starting signal and a second starting signal, and the stopping control unit outputs a first stopping signal and a second stopping signal; the control module of the utility model effectively reduces the current impact of the power distribution system by controlling the first execution unit and the second execution unit to start and reversely stop sequentially, and solves the problem of large impact of large current to the power distribution system when equipment is started in the prior art.
It should be understood that the description in this section is not intended to identify key or critical features of the embodiments of the utility model or to delineate the scope of the utility model. Other features of the present utility model will become apparent from the description that follows.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic diagram of a control circuit for dry production according to an embodiment of the present utility model;
fig. 2 is a circuit diagram of a control circuit for dry production according to an embodiment of the present utility model;
fig. 3 is a circuit diagram of another dry-process control circuit provided by an embodiment of the present utility model.
Detailed Description
In order that those skilled in the art will better understand the present utility model, a technical solution in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.
It should be noted that the terms "first," "second," and the like in the description and the claims of the present utility model and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the utility model described herein may be implemented in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
An embodiment of the present utility model provides a control circuit for dry production, and fig. 1 is a schematic structural diagram of the control circuit for dry production provided in the embodiment of the present utility model, as shown in fig. 1, the control circuit for dry production includes: the device comprises a control module 110 and an execution module 120, wherein the control module 110 is connected with the execution module 120; the control module 110 is used for controlling the execution module 120 to work, and the execution module 120 is used for executing a drying operation; the control module 110 includes a start control unit 111 and a stop control unit 112, the start control unit 111 is connected with the stop control unit 112, the start control unit 111 is used for outputting a first start signal and a second start signal, and the stop control unit 112 is used for outputting a first stop signal and a second stop signal; the execution module 120 includes a first execution unit 121 and a second execution unit 122, the first execution unit 121 is connected to the start control unit 111 and the stop control unit 112, the second execution unit 122 is connected to the start control unit 111 and the stop control unit 112, the first execution unit 121 is configured to start according to a first start signal, the second execution unit 122 is configured to start according to a second start signal when the first start signal output satisfies a first preset time period, and the second execution unit 122 is configured to stop according to a first stop signal, and the first execution unit 121 is configured to stop according to a second stop signal when the first stop signal output satisfies a second preset time period.
In this embodiment, the control module 110 is a module that controls the execution module 120 to operate, for example, the control module 110 outputs a control signal, and the execution module 120 performs an operation according to the control signal output by the control module 110. The execution module 120 is a module including a drying apparatus. The start control unit 111 may control the execution module 120 to start, and the stop control unit 112 may control the execution module 120 to stop. The first execution unit 121 and the second execution unit 122 respectively belong to two parts of the execution module 120.
In this embodiment, when the control module 110 controls the execution module 120 to start, the start control unit 111 outputs a first start signal to the first execution unit 121, the first execution unit 121 starts, and when the first start signal output meets a first preset time duration, the start control unit 111 outputs a second start signal to the second execution unit 122, and the second execution unit 122 starts. When the control module 110 controls the execution module 120 to stop, the stop control unit 112 outputs a first stop signal to the second execution unit 122, the second execution unit 122 stops, and when the first stop signal output satisfies a second preset time period, the stop control unit 112 outputs a second stop signal to the first execution unit 121, and the first execution unit 121 stops. The sequential starting and reverse stopping of the first execution unit and the second execution unit are realized.
The technical scheme of the embodiment provides a control circuit for dry production, which comprises: the control module is used for controlling the execution module to work, and the execution module is used for executing drying operation; the control module comprises a starting control unit and a stopping control unit, the starting control unit outputs a first starting signal and a second starting signal, and the stopping control unit outputs a first stopping signal and a second stopping signal; the control module of the utility model effectively reduces the current impact of the power distribution system by controlling the first execution unit and the second execution unit to start and reversely stop sequentially, and solves the problem of large impact of large current to the power distribution system when equipment is started in the prior art.
Fig. 2 is a circuit diagram of a control circuit for dry production according to an embodiment of the present utility model, where, as shown in fig. 2, the start control unit 111 includes a start button SB1, a first switch, a second switch, a third switch, a fourth switch, and a first timing switch, where a first end of the start button SB1 is connected to the positive electrode of the first power source V1, a second end of the start button SB1 is connected to the first switch, the first switch is used for being turned on when the start button SB1 is pressed, the first timing switch is connected to the first switch, the first timing switch is used for being turned on when the first switch is turned on for a first preset time period, the second switch is connected to the first timing switch, the second switch is used for being turned on when the first timing switch is turned on, the third switch is connected to the first switch and the first execution unit 121, the third switch is connected to the second switch and the second execution unit 122, and the fourth switch is used for being turned on when the second switch is turned on. The start button SB1 may be an automatic reset button (i.e. automatically flicked after being pressed), when the start button SB1 is pressed, the first switch is turned on, the third switch is turned on, the first execution unit 121 is started, the first timing switch starts to time, after the first timing switch finishes time counting (i.e. meets the first preset threshold), the first timing switch is turned on, at this time, the second switch is turned on, the fourth switch is turned on, and the second execution unit 122 starts. It is achieved that the second execution unit 122 is started when the first execution unit 121 is started to meet the first preset threshold, and the first execution unit 121 and the second execution unit 122 are started in sequence.
Specifically, the first switch comprises a first relay KA1, the second switch comprises a second relay KA2, the third switch comprises a third relay KA3, the fourth switch comprises a fourth relay KA4, and the first timing switch comprises a first timing relay KT1; the first end of a coil of the first relay KA1 is connected with the second end of the starting key SB1, the second end of the coil of the first relay KA1 is connected with the negative electrode of the first power supply V1, the first end of a first normally open contact of the first relay KA1 is connected with the first end of the starting key SB1, the second end of a first normally open contact of the first relay KA1 is connected with the second end of the starting key SB1, the first end of a second normally open contact of the first relay KA1 is connected with the positive electrode of the first power supply V1, the second end of a second normally open contact of the first relay KA1 is connected with the first end of a coil of the third relay KA3, and the second end of a coil of the third relay KA3 is connected with the negative electrode of the first power supply V1; the first end of the coil of first timing relay KT1 is connected with the first end of the coil of first relay KA1, the second end of the coil of first timing relay KT1 is connected with the negative pole of first power supply V1, the first end of the normally open contact of first timing relay KT1 is connected with the first switch, the second end of the normally open contact of first timing relay KT1 is connected with the first end of the coil of second relay KA2, the second end of the coil of second relay KA2 is connected with the negative pole of first power supply V1, the first end of the normally open contact of second relay KA2 is connected with the positive pole of first power supply V1, the second end of the normally open contact of second relay KA2 is connected with the first end of the coil of fourth relay KA4, and the second end of the coil of fourth relay KA2 is connected with the negative pole of first power supply V1.
In this embodiment, when the start button SB1 is pressed (the start button SB1 is automatically sprung off after being pressed), the coil of the first relay KA1 and the coil of the first timing relay KT1 are powered on simultaneously, the first normally open contact of the first relay KA1 is closed, the second normally open contact of the first relay KA1 is closed, the coil of the third relay KA3 is powered on, the first normally open contact of the first relay KA1 is closed so that the coil of the first relay KA1 is continuously powered on, and the first relay KA1 is self-locked, so that the coil of the third relay KA3 is continuously powered on to control the first execution unit 121 to operate uninterruptedly. The coil of first timing relay KT1 begins the timing after getting the electricity, and when the time length of timing of first timing relay KT1 satisfies first default threshold value, the normally open contact of first timing relay KT1 is closed, and the coil of second relay KA2 gets the electricity, and the normally open contact of second relay KA2 is closed, and the coil of fourth relay KA2 gets the electricity to control uninterrupted operation of second execution unit 122.
With continued reference to fig. 2, the stop control unit 112 includes a stop key SB2, a fifth switch, and a second timing switch, the first end of the stop key SB2 is connected to the first switch, the second end of the stop key SB2 is connected to the fifth switch, the fifth switch is turned on when the stop key is pressed, the second switch is connected to the fifth switch, the second switch is turned off after the fifth switch is turned on, the second timing switch is connected to the fifth switch, the second timing switch is turned on when the fifth switch is turned on for a second predetermined time period, the first switch is connected to the second timing switch, the first switch is turned off when the second timing switch is turned on, the third switch is turned off when the first switch is turned off, and the fourth switch is turned off when the second switch is turned off. The stop key SB2 may be an automatic reset key (i.e. automatically flicked after being pressed), when the stop key SB2 is pressed, the fifth switch is turned on, the second switch is turned off, the fourth switch is turned off, the second execution unit 122 stops running, the second timing switch starts timing, after the second timing switch finishes timing (i.e. meets the second preset threshold), the second timing switch is turned on, at this time, the first switch is turned off, the third switch is turned off, and the first execution unit 121 stops running. When the execution module stops, the first execution unit 121 stops when the second execution unit 122 stops meeting the second preset threshold, and the first execution unit 121 and the second execution unit 122 stop reversely.
Specifically, the fifth switch includes a fifth relay KA5, and the second timing switch includes a second timing relay KT2; the first end of the coil of the fifth relay KA5 is connected with the second end of the stop key SB2, the second end of the coil of the fifth relay KA5 is connected with the negative pole of the first power supply V1, the first end of the normally closed contact of the fifth relay KA5 is connected with the first end of the normally open contact of the first timing relay KT1, the first end of the normally open contact of the fifth relay KA5 is connected with the first end of the stop key SB2, the second end of the normally open contact of the fifth relay KA5 is connected with the second end of the stop key SB2, the first end of the coil of the second timing relay KT2 is connected with the first end of the coil of the fifth relay KT5, the second end of the coil of the second timing relay KT2 is connected with the negative pole of the first power supply V1, the first end of the normally closed contact of the second timing relay KT2 is connected with the positive pole of the first power supply V1, and the second end of the normally closed contact of the second timing relay KT2 is connected with the first end of the coil of the first relay KA 1.
In this embodiment, when the stop button SB2 is pressed (the stop button SB2 is automatically sprung off after being pressed), the coil of the fifth relay KA5 and the coil of the second timing relay KT2 are powered on simultaneously, the normally open contact of the fifth relay KA5 is closed to enable the coil of the fifth relay KA5 to continuously power on, the fifth relay KA5 realizes self-locking, the normally closed contact of the fifth relay KA5 is opened, the coil of the second relay KA2 is powered off, the normally open contact of the second relay KA2 is opened, and the coil of the fourth relay KA4 is powered off to control the second execution unit 122 to stop running. And when the timing duration of the second timing relay KT2 meets a second preset threshold value, the normally closed contact of the second timing relay KT2 is disconnected, the coil of the first relay KA1 is powered off, the normally open contact of the first relay KA1 is disconnected, and the coil of the third relay KA3 is powered off, so that the first execution unit 121 is controlled to stop running.
Fig. 3 is a circuit diagram of another dry-process control circuit according to an embodiment of the present utility model, and as shown in fig. 3, the first execution unit 121 includes a first drying device, the second execution unit 122 includes a second drying device, and the first drying device and the second drying device are connected to the control module 110.
In this embodiment, the first drying device corresponds to the upper oven M1, the second drying device corresponds to the lower oven M2, wherein the upper oven M1 is connected with the normally open contact of the third relay KA3, the upper oven M1 operates when the normally open contact of the third relay KA3 is closed, and the upper oven M1 stops operating when the normally open contact of the third relay KA3 is opened. The lower oven M2 is connected with a normally open contact of the fourth relay KA4, the lower oven M2 operates when the normally open contact of the fourth relay KA4 is closed, and the lower oven M2 stops operating when the normally open contact of the fourth relay KA4 is opened.
With continued reference to fig. 3, the dry-process control circuit further includes a second power source for supplying power to the execution module 120, a circuit breaker QF1 connected to the second power source, and a protection module 310 for protecting the circuit module 310, the circuit breaker QF1 being used to control the second power source to be connected to or disconnected from the execution module 120. The protection module 310 includes a first fuse FU1 and a second fuse FU2, where the first fuse FU1 is connected to the first execution unit 121, and the second fuse FU2 is connected to the second execution unit 122.
Referring to fig. 2 and 3, the second power supply is three-phase alternating current (three-phase power supplies are respectively indicated by R, S, T), a first end of the circuit breaker QF1 is connected with the second power supply, a second end of the circuit breaker QF1 is connected with a first end of the first fuse FU1 and a first end of the second fuse FU2, a second end of the first fuse FU1 is connected with a first end of a normally open contact of the third relay KA3, a second end of the normally open contact of the third relay KA3 is connected with the upper oven M1, a second end of the second fuse FU2 is connected with a first end of a normally open contact of the fourth relay KA4, and a second end of a normally open contact of the fourth relay KA4 is connected with the lower oven M2.
In this embodiment, when the execution module is started, the start key SB1 is pressed, the upper oven M1 and the lower oven M2 are sequentially started, and when the execution module is closed, the stop key SB2 is pressed, and the upper oven M1 and the lower oven M2 are reversely stopped. Illustratively, the drying apparatus includes an upper oven and a lower oven that when turned on simultaneously produce a current of about 800A. When the upper oven is started first, the total current generated is 400A, when the upper oven is started to meet a first preset threshold, the upper oven temperature reaches the set temperature, the current is reduced to 150A, at the moment, the lower oven is started, the total current generated is 400 A+150A=550A, and after the lower oven temperature reaches the set temperature, the current in the drying equipment is reduced to 300A. Therefore, compared with the method that the upper oven and the lower oven are simultaneously started, the current generated by sequentially starting the upper oven and the lower oven is reduced by about 30%, and the impact of large current generated when the drying equipment is started on a power distribution system is effectively reduced.
It should be appreciated that various forms of the flows shown above may be used to reorder, add, or delete steps. For example, the steps described in the present utility model may be performed in parallel, sequentially, or in a different order, so long as the desired results of the technical solution of the present utility model are achieved, and the present utility model is not limited herein.
The above embodiments do not limit the scope of the present utility model. It will be apparent to those skilled in the art that various modifications, combinations, sub-combinations and alternatives are possible, depending on design requirements and other factors. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included in the scope of the present utility model.
Claims (10)
1. A dry-process control circuit, comprising: the device comprises a control module and an execution module, wherein the control module is connected with the execution module; the control module is used for controlling the execution module to work, and the execution module is used for executing drying operation;
the control module comprises a starting control unit and a stopping control unit, the starting control unit is connected with the stopping control unit, the starting control unit is used for outputting a first starting signal and a second starting signal, and the stopping control unit is used for outputting a first stopping signal and a second stopping signal;
the execution module comprises a first execution unit and a second execution unit, the first execution unit is connected with the starting control unit and the stopping control unit, the second execution unit is connected with the starting control unit and the stopping control unit, the first execution unit is used for starting according to the first starting signal, the second execution unit is used for starting according to the second starting signal when the first starting signal output meets a first preset time duration, the second execution unit is used for stopping according to the first stopping signal, and the first execution unit is used for stopping according to the second stopping signal when the first stopping signal output meets a second preset time duration.
2. The dry production control circuit according to claim 1, wherein the start control unit includes a start key, a first switch, a second switch, a third switch, a fourth switch, and a first timing switch, a first end of the start key is connected to a positive electrode of a first power source, a second end of the start key is connected to the first switch, the first switch is for being turned on when the start key is pressed, the first timing switch is connected to the first switch, the first timing switch is for being turned on when the first switch is turned on for the first predetermined time period, the second switch is connected to the first timing switch, the second switch is for being turned on when the first timing switch is turned on, the third switch is for being turned on when the first switch is turned on, the fourth switch is connected to the second switch and the second execution unit, and the fourth switch is for being turned on when the fourth switch is turned on.
3. The dry production control circuit according to claim 2, wherein the stop control unit includes a stop key, a fifth switch, and a second timing switch, a first end of the stop key is connected to the first switch, a second end of the stop key is connected to the fifth switch, the fifth switch is used to be turned on when the stop key is pressed, the second switch is connected to the fifth switch, the second switch is used to be turned off after the fifth switch is turned on, the second timing switch is connected to the fifth switch, the second timing switch is used to be turned on when the fifth switch is turned on for a second preset time period, the first switch is connected to the second timing switch, the first switch is used to be turned off when the second timing switch is turned on, the third switch is used to be turned off when the first switch is turned off, and the fourth switch is used to be turned off when the second switch is turned off.
4. A dry process control circuit as claimed in claim 3, wherein the first switch comprises a first relay, the second switch comprises a second relay, the third switch comprises a third relay, the fourth switch comprises a fourth relay, and the first timing switch comprises a first timing relay;
the first end of the first relay coil is connected with the second end of the starting key, the second end of the first relay coil is connected with the negative electrode of the first power supply, the first end of the first normally open contact of the first relay is connected with the first end of the starting key, the second end of the first normally open contact of the first relay is connected with the second end of the starting key, the first end of the second normally open contact of the first relay is connected with the positive electrode of the first power supply, the second end of the second normally open contact of the first relay is connected with the first end of the third relay coil, and the second end of the third relay coil is connected with the negative electrode of the first power supply; the first end of the first timing relay coil is connected with the first end of the first relay coil, the second end of the first timing relay coil is connected with the negative electrode of the first power supply, the first end of the first timing relay normally open contact is connected with the first switch, the second end of the first timing relay normally open contact is connected with the first end of the second relay coil, the second end of the second relay coil is connected with the negative electrode of the first power supply, the first end of the second relay normally open contact is connected with the positive electrode of the first power supply, the second end of the second relay normally open contact is connected with the first end of the fourth relay coil, and the second end of the fourth relay coil is connected with the negative electrode of the first power supply.
5. The dry production control circuit of claim 4 wherein the fifth switch comprises a fifth relay and the second timing switch comprises a second timing relay;
the first end of the fifth relay coil is connected with the second end of the stop button, the second end of the fifth relay coil is connected with the negative electrode of the first power supply, the first end of the fifth relay normally-closed contact is connected with the first switch, the second end of the fifth relay normally-closed contact is connected with the first end of the first timing relay normally-open contact, the first end of the fifth relay normally-open contact is connected with the first end of the stop button, the second end of the fifth relay normally-open contact is connected with the second end of the stop button, the first end of the second timing relay coil is connected with the first end of the fifth relay coil, the second end of the second timing relay coil is connected with the negative electrode of the first power supply, the first end of the second timing relay normally-closed contact is connected with the positive electrode of the first power supply, and the second end of the second timing relay normally-closed contact is connected with the first end of the first relay coil.
6. The dry production control circuit of claim 1, wherein the first execution unit comprises a first drying apparatus and the second execution unit comprises a second drying apparatus, the first drying apparatus and the second drying apparatus each being connected to the control module.
7. The dry production control circuit of claim 1, further comprising a second power source for powering the execution module.
8. The dry process control circuit of claim 7, further comprising a circuit breaker connected to the second power source, the circuit breaker for controlling the second power source to be connected to or disconnected from the execution module.
9. The dry-process control circuit of claim 1, further comprising a protection module for protecting the module of the circuit.
10. The dry-process control circuit of claim 9, wherein the protection module comprises a first fuse connected to the first execution unit and a second fuse connected to the second execution unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321312836.6U CN219800020U (en) | 2023-05-25 | 2023-05-25 | Control circuit for dry production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321312836.6U CN219800020U (en) | 2023-05-25 | 2023-05-25 | Control circuit for dry production |
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| Publication Number | Publication Date |
|---|---|
| CN219800020U true CN219800020U (en) | 2023-10-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321312836.6U Active CN219800020U (en) | 2023-05-25 | 2023-05-25 | Control circuit for dry production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219800020U (en) |
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2023
- 2023-05-25 CN CN202321312836.6U patent/CN219800020U/en active Active
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