CN211878445U - Control protection circuit of electric film rolling device - Google Patents
Control protection circuit of electric film rolling device Download PDFInfo
- Publication number
- CN211878445U CN211878445U CN202020380230.6U CN202020380230U CN211878445U CN 211878445 U CN211878445 U CN 211878445U CN 202020380230 U CN202020380230 U CN 202020380230U CN 211878445 U CN211878445 U CN 211878445U
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- power supply
- microswitch
- rolling device
- stroke
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- Stopping Of Electric Motors (AREA)
Abstract
The utility model discloses a control protection circuit of electronic film rolling device, including power module, still including the forward pair micro-gap switch who is used for controlling film rolling device forward stroke and provides the spacing feedback signal of forward, the reverse pair micro-gap switch who is used for controlling film rolling device reverse stroke and provides the spacing feedback signal of reverse, drive circuit and motor, power module and forward pair micro-gap switch, reverse pair micro-gap switch's feedback cable junction, forward pair micro-gap switch, reverse pair micro-gap switch respectively with drive circuit electric connection, drive circuit and motor electric connection. The utility model discloses can give power supply mechanism with spacing signal feedback, power supply mechanism can in time cut off the voltage on the power supply cable through judging this signal, reduces the safety risk.
Description
Technical Field
The utility model relates to an electronic film rolling device technical field especially indicates a control protection circuit of electronic film rolling device.
Background
In the adjustable curtain device of the greenhouse, the power of the opening and rolling actions of the thin film is mostly provided by an electric film rolling device, and the curtain device of the large greenhouse can also adopt the electric film rolling device to realize the adjustment action of the curtain. In prior art's electronic film winder, adopt mechanical gear structure to trigger micro-gap switch and come the disconnect-type power supply, play the purpose of the biggest stroke of restriction film winder, but power supply system can not directly learn whether the film winder reachs limit position, lead to power supply system to last incessantly provide voltage for film winder, because there is lasting voltage on the supply cable, increased power supply system's risk safety, the electronic film winder potential safety hazard of alternating current supply is especially outstanding.
SUMMERY OF THE UTILITY MODEL
The utility model provides a control protection circuit of electronic roll membrane ware has solved among the prior art power supply system and can not directly learn whether the roll membrane ware reachs limit position, leads to power supply system to last incessant providing voltage for rolling up the membrane ware, because there is lasting voltage on the supply cable, has increased the problem of power supply system's safe risk.
The technical scheme of the utility model is realized like this:
the control protection circuit of the electric film rolling device comprises a power supply module, and further comprises a forward duplex micro switch, a reverse duplex micro switch, a driving circuit and a motor, wherein the forward duplex micro switch is used for controlling the forward stroke of the film rolling device and providing a forward limit feedback signal, the reverse duplex micro switch is used for controlling the reverse stroke of the film rolling device and providing a reverse limit feedback signal, the power supply module is connected with feedback cables of the forward duplex micro switch and the reverse duplex micro switch, the forward duplex micro switch and the reverse duplex micro switch are respectively electrically connected with the driving circuit, and the driving circuit is electrically connected with the motor.
As a preferred embodiment of the present invention, the microswitch for controlling the forward stroke of the film winder in the forward duplex microswitch is disposed on one side of the forward stroke control boss ring gear.
As a preferred embodiment of the present invention, the microswitch for controlling the reverse stroke of the film rolling device in the reverse duplex microswitch is disposed on one side of the reverse stroke control boss ring gear.
As a preferred embodiment of the present invention, the power supply module is a 220V ac power supply or a 24V dc power supply.
As a preferred embodiment of the utility model, power module still is connected with forward protection relay, reverse protection relay, relay drive and feedback signal control circuit, forward protection relay, reverse protection relay with relay drive and feedback signal control circuit electric connection, forward protection relay, reverse protection relay still are connected with direction change over switch.
As a preferred embodiment of the present invention, the direction switch is a single-pole double-throw switch.
The beneficial effects of the utility model reside in that: can give power supply mechanism with spacing signal feedback, power supply mechanism can in time cut off the voltage on the power supply cable through judging this signal, reduces the safety risk.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic plan view of an embodiment of a control protection circuit of an electric film winder of the present invention;
fig. 2 is a schematic plan view of another embodiment of the control protection circuit of the electric film winder of the present invention;
in the figure, 1-power supply module; 2-a forward duplex microswitch; 3-reverse duplex microswitch; 4-a drive circuit; 5-motor.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1 and 2, the utility model provides a control protection circuit of electronic film rolling device, including power module 1, still including the forward pair micro-gap switch 2 that is used for controlling film rolling device forward stroke and provides the spacing feedback signal of forward, the reverse pair micro-gap switch 3 that is used for controlling film rolling device reverse stroke and provides the spacing feedback signal of reverse direction, drive circuit 4 and motor 5, power module 1 and forward pair micro-gap switch 2, reverse pair micro-gap switch 3's feedback cable is connected, forward pair micro-gap switch 2, reverse pair micro-gap switch 3 respectively with 4 electric connection of drive circuit, drive circuit 4 and 5 electric connection of motor.
The power supply module 1 is connected in series with a group of duplex micro switches in the forward rotation power supply loop, and the forward rotation micro switches are arranged on one side of the forward rotation stroke control boss gear ring; one group of the duplex micro switches connected in series in the reverse power supply loop, and the reverse micro switches are arranged on one side of the reverse stroke control boss gear ring; the power supply module 1 is also connected with a feedback cable on the other connection of the forward rotation loop double-linkage microswitch and the reverse rotation loop microswitch
As a preferred embodiment of the present invention, the power supply module 1 is a 220V ac power supply or a 24V dc power supply. If the power supply module 1 is a dc power supply, the power supply module 1 directly supplies power to the motor 5, as shown in fig. 1, and if the power supply module 1 is an ac power supply, the driving circuit 4 converts the ac power supply into a dc voltage through the rectifier bridge and then supplies power to the motor 5, as shown in fig. 2.
As a preferred embodiment of the utility model, power module 1 still is connected with forward protection relay, reverse protection relay, relay drive and feedback signal control circuit, and forward protection relay, reverse protection relay and relay drive and feedback signal control circuit electric connection, forward protection relay, reverse protection relay still are connected with direction change over switch. Specifically, the direction change-over switch is a single-pole double-throw switch. If the power supply module 1 is a 220V alternating current power supply, the forward protection RELAY and the reverse protection RELAY are RELAY-SPDT, and if the power supply module is a 24V direct current power supply, the forward protection RELAY and the reverse protection RELAY are RELAY-DPDT. The forward protection relay and the reverse protection relay respectively correspond to a relay driving and feedback signal control circuit.
The utility model discloses a DC motor opens and stops control circuit's theory of operation as follows:
when the film rolling device moves forwards, a pin COM-NC in the forward duplex microswitch 2 is in a connection state, and a pin COM-NO is in a disconnection state; the power supply loop group is switched on, and the feedback signal group is switched off. Until the positive cam pushes the positive duplex switch, the COM-NC is disconnected, the COM-ON is connected, the positive power supply loop is disconnected, and the film rolling device stops moving. The forward to bit feedback signal is on.
When the film rolling device moves reversely, the reverse duplex microswitch 3COM-NC is in a connection state, and the COM-NO is in a disconnection state; the power supply loop group is switched on, and the feedback signal group is switched off. Until the reverse cam pushes the reverse duplex switch, the COM-NC is disconnected, the COM-ON is connected, the reverse power supply circuit is disconnected, and the film rolling device stops moving. The reverse to position feedback signal is on.
The working process of the AC motor start-stop control circuit is similar to that of the DC circuit, and is not described in detail.
The utility model discloses can give power supply mechanism with spacing signal feedback, power supply mechanism can in time cut off the voltage on the power supply cable through judging this signal, reduces the safety risk.
The utility model discloses use in the jack of greenhouse film or curtain among the facility agricultural technology field, as the drive power supply of putting and rolling, also can use as stroke control low-speed power supply in other fields.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a control protection circuit of electronic film winder, includes power module, its characterized in that: the film winder further comprises a forward duplex microswitch, a reverse duplex microswitch, a driving circuit and a motor, wherein the forward duplex microswitch is used for controlling the forward stroke of the film winder and providing a forward limit feedback signal, the reverse duplex microswitch is used for controlling the reverse stroke of the film winder and providing a reverse limit feedback signal, the power supply module is connected with feedback cables of the forward duplex microswitch and the reverse duplex microswitch, the forward duplex microswitch and the reverse duplex microswitch are respectively and electrically connected with the driving circuit, and the driving circuit is electrically connected with the motor.
2. The control protection circuit of the electric film winder according to claim 1, wherein: and a microswitch for controlling the forward stroke of the film rolling device in the forward duplex microswitch is arranged on one side of the forward stroke control boss gear ring.
3. The control protection circuit of the electric film winder according to claim 1, wherein: and a microswitch for controlling the reverse stroke of the film rolling device in the reverse duplex microswitch is arranged on one side of the reverse stroke control boss gear ring.
4. The control protection circuit of the electric film winder according to claim 1, wherein: the power supply module is a 220V alternating current power supply or a 24V direct current power supply.
5. The control protection circuit of the electric film winder according to claim 1, wherein: the power supply module is further connected with a forward protection relay, a reverse protection relay, a relay drive and feedback signal control circuit, the forward protection relay, the reverse protection relay and the relay drive and feedback signal control circuit are electrically connected, and the forward protection relay and the reverse protection relay are further connected with a direction change-over switch.
6. The control protection circuit of the electric film winder according to claim 5, wherein: the direction change-over switch is a single-pole double-throw switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020380230.6U CN211878445U (en) | 2020-03-23 | 2020-03-23 | Control protection circuit of electric film rolling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020380230.6U CN211878445U (en) | 2020-03-23 | 2020-03-23 | Control protection circuit of electric film rolling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211878445U true CN211878445U (en) | 2020-11-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020380230.6U Expired - Fee Related CN211878445U (en) | 2020-03-23 | 2020-03-23 | Control protection circuit of electric film rolling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211878445U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114688242A (en) * | 2022-03-22 | 2022-07-01 | 河南科技大学 | Reversing control mechanism |
-
2020
- 2020-03-23 CN CN202020380230.6U patent/CN211878445U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114688242A (en) * | 2022-03-22 | 2022-07-01 | 河南科技大学 | Reversing control mechanism |
| CN114688242B (en) * | 2022-03-22 | 2023-07-07 | 河南科技大学 | Reversing control mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20201106 Termination date: 20210323 |