CN204013457U - Electric valve control case - Google Patents
Electric valve control case Download PDFInfo
- Publication number
- CN204013457U CN204013457U CN201420385877.2U CN201420385877U CN204013457U CN 204013457 U CN204013457 U CN 204013457U CN 201420385877 U CN201420385877 U CN 201420385877U CN 204013457 U CN204013457 U CN 204013457U
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- Prior art keywords
- switch
- contactor
- normally opened
- relay
- opened contact
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Abstract
The utility model proposes a kind of electric valve control case, comprise main circuit and control circuit.Electric valve control case of the present utility model, by assembling parts such as auxiliary relay, A.C. contactor, miniature circuit breakers, is realized weak current equipment and is controlled heavy current installation; Solve on-site manual and remote auto conversion and control simultaneously.
Description
Technical field
The utility model relates to electric control appliance, specifically a kind of electric valve control case.
Background technology
The large buildings robot control system(RCS)s such as Main Teaching Building need the light, forceful electric power, central air-conditioning, VMC in Dui Zhe building etc. to carry out centralized control.Wherein automatic building control system is by the new air valve in the Control central air-conditioning in DDC control cabinet, owing to finding that the relay in DDC control cabinet is 2.5 amperes of equipment (import equipment) when reality is used installation, new air valve is 6.3 amperes of equipment (home equipment).Cannot realize the equipment by 6.3 amperes of the Current Control of 2.5 amperes, therefore need to increase a valve control case at relay and new air valve equipment room.
Utility model content
The utility model proposes a kind of electric valve control case, to solve the problem that cannot use Small current control high-current equipment in prior art.
The technical solution of the utility model is achieved in that
An electric valve control case, comprises main circuit and control circuit; Described main circuit comprises the main contacts KM1-1 of contactor KM1 and the main contacts KM2-1 of contactor KM2, and main contacts KM1-1 is connected with main power source with one end after main contacts KM2-1 parallel connection, the other end is connected with the winding of motor; Motor forward described in when described main contacts KM1-1 is connected, when described main contacts KM2-1 connects described in motor reversal;
Described control circuit comprises the first switch and the second switch being connected with control power supply;
Described the first switch is connected with normally opened contact KM1-2, the button SS of button SF, contactor KM1 and the normally opened contact KM2-2 of contactor KM2; After described button SF is in parallel with normally opened contact KM1-2, meet successively normally-closed contact KA3-1 and the contactor KM1 of normally-closed contact KM2-3, the relay K A3 of contactor KM2;
After described button SS is in parallel with normally opened contact KM2-2, meet successively normally-closed contact KA4-1 and the contactor KM2 of normally-closed contact KM1-3, the relay K A4 of contactor KM1;
Described second switch is connected with the normally opened contact KA1-1 of relay K A1 and the normally opened contact KA2-1 of relay K A2, and the other end of described normally opened contact KA1-1 is connected between described button SF and normally-closed contact KM2-3; The other end of described normally opened contact KA2-1 is connected between described button SS and normally-closed contact KM1-3;
Relay K A3 is connected with described control power supply by the 3rd switch; Relay K A4 is connected with described control power supply by the 4th switch;
Valve reaches the normally opened contact KA3-2 of an indicator light HG by relay K A3 and controls power supply and be connected; Valve closes the normally opened contact KA4-2 of the indicator light HR that puts in place by relay K A4 and controls power supply and be connected.
Further, described the 3rd switch in parallel has the 5th switch, and described the 4th switch in parallel has the 6th switch.
Further, described the first switch and second switch are realized by a universal seclector.
Further, between described main contacts KM1-1 and main contacts KM2-1 and the winding of motor, be provided with overheat protector.
Further, between described main contacts KM1-1 and main contacts KM2-1 and described main power source, be provided with miniature circuit breaker.
Further, comprise four groups of main circuits and four groups of control circuits.
The beneficial effects of the utility model are:
Electric valve control case of the present utility model, by assembling parts such as auxiliary relay, A.C. contactor, miniature circuit breakers, is realized weak current equipment and is controlled heavy current installation; Solve on-site manual and remote auto conversion and control simultaneously.
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 first's circuit diagram of an embodiment of the utility model;
Fig. 2 is the second portion circuit diagram of an embodiment of the utility model;
Fig. 3 is the third part circuit diagram of an embodiment of the utility model.
In figure:
1, the 3rd switch; 2, the 4th switch; 3, the 5th switch; 4, the 6th switch; 5, motor; 6, overheat protector.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Embodiment based in the utility model, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
Electric valve control case in the present embodiment, according to practical application needs, comprises four groups of main circuits and four groups of control circuits, can change main circuit and the control circuit of other quantity according to real needs into.With reference to figure 1-3, wherein, a in Fig. 1, b, c terminal are corresponding connected one by one with A, B, C terminal in Fig. 3 respectively, and the e in Fig. 2, d, f terminal are corresponding connected one by one with E, D, F terminal in Fig. 3 respectively.
As shown in Figure 1, described main circuit comprises the main contacts KM1-1 of contactor KM1 and the main contacts KM2-1 of contactor KM2, and main contacts KM1-1 is connected with main power source with one end after main contacts KM2-1 parallel connection, the other end is connected with the winding of motor 5; Motor 5 forwards described in when described main contacts KM1-1 is connected, when described main contacts KM2-1 connects described in motor 5 reversions.
As shown in Figure 2, described control circuit comprises the first switch and the second switch being connected with control power supply; Described the first switch is connected with normally opened contact KM1-2, the button SS of button SF, contactor KM1 and the normally opened contact KM2-2 of contactor KM2; After described button SF is in parallel with normally opened contact KM1-2, meet successively normally-closed contact KA3-1 and the contactor KM1 of normally-closed contact KM2-3, the relay K A3 of contactor KM2; After described button SS is in parallel with normally opened contact KM2-2, meet successively normally-closed contact KA4-1 and the contactor KM2 of normally-closed contact KM1-3, the relay K A4 of contactor KM1.
Described second switch is connected with the normally opened contact KA1-1 of relay K A1 and the normally opened contact KA2-1 of relay K A2, and the other end of described normally opened contact KA1-1 is connected between described button SF and normally-closed contact KM2-3; The other end of described normally opened contact KA2-1 is connected between described button SS and normally-closed contact KM1-3.
Relay K A3 is connected with described control power supply by the 3rd switch 1; Relay K A4 is connected with described control power supply by the 4th switch 2.
Valve reaches the normally opened contact KA3-2 of an indicator light HG by relay K A3 and controls power supply and be connected; Valve closes the normally opened contact KA4-2 of the indicator light HR that puts in place by relay K A4 and controls power supply and be connected.
Described the 3rd switch 1 is parallel with the 5th switch 3, and described the 4th switch 2 is parallel with the 6th switch 4.The 5th switch 3 and the 6th switch 4 can be located at control room, facilitate Long-distance Control.
In the present embodiment, described the first switch and second switch are realized by a universal seclector SA.Between described main contacts KM1-1 and main contacts KM2-1 and the winding of motor 5, be provided with overheat protector 6.Between described main contacts KM1-1 and main contacts KM2-1 and described main power source, be provided with miniature circuit breaker.
The utility model course of work is as follows: when the first switch closure, be that 1 terminal of universal seclector SA and 2 terminals are when connect, press the button SF, contactor KM1 obtains electric, normally opened contact KM1-2 closure realizes contactor KM1 self-locking, main contacts KM1-1 is closed, motor 5 forwards, controlling new air valve opens, when new air valve is opened while putting in place, closed the 3rd switch 1, relay K A3 obtains electric, normally opened contact KA3-2 is closed, it is bright that valve reaches an indicator light HG, normally-closed contact KA3-1 disconnects, contactor KM1 dead electricity, normally opened contact KM1-2 disconnects, main contacts KM1-1 disconnects, stop stopping valve, press the button SS, contactor KM2 obtains electric, and normally opened contact KM2-2 closure realizes contactor KM2 self-locking, main contacts KM2-1 is closed, and motor 5 reversions, control new air valve and close, when new air valve is closed while putting in place, closed the 4th switch 2, relay K A4 obtains electric, normally opened contact KA4-2 is closed, and it is bright that valve closes the indicator light HR that puts in place, and normally-closed contact KA4-1 disconnects, contactor KM2 dead electricity, normally opened contact KM2-2 disconnects, and main contacts KM2-1 disconnects, and stops closing valve.
When second switch closure, be that 3 terminals of universal seclector SA and 4 terminals are when connect, normally opened contact KA1-1 replaces aforesaid button SF, normally opened contact KA2-1 replaces aforesaid button SS, this kind of connected mode can be controlled by the break-make to relay K A1 and relay K A2 the control of achieve a butt joint tentaculum KM1 and contactor KM2, can realize Long-distance Control, all the other courses of work as hereinbefore.
The 3rd switch 1 is parallel with the 5th switch 3, and function is identical; The 4th switch 2 is parallel with the 6th switch 4, and function is identical.The 5th switch 3 and the 6th switch 4 can be located at control room, can realize Long-distance Control.
The function that the utility model has not only been realized light current control forceful electric power, can also realize the conversion that on-site manual is controlled and remote auto is controlled.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection range of the present utility model.
Claims (6)
1. an electric valve control case, comprises main circuit and control circuit; Described main circuit comprises the main contacts KM1-1 of contactor KM1 and the main contacts KM2-1 of contactor KM2, and main contacts KM1-1 is connected with main power source with one end after main contacts KM2-1 parallel connection, the other end is connected with the winding of motor; Motor forward described in when described main contacts KM1-1 is connected, when described main contacts KM2-1 connects described in motor reversal;
It is characterized in that: described control circuit comprises the first switch and the second switch being connected with control power supply;
Described the first switch is connected with normally opened contact KM1-2, the button SS of button SF, contactor KM1 and the normally opened contact KM2-2 of contactor KM2; After described button SF is in parallel with normally opened contact KM1-2, meet successively normally-closed contact KA3-1 and the contactor KM1 of normally-closed contact KM2-3, the relay K A3 of contactor KM2;
After described button SS is in parallel with normally opened contact KM2-2, meet successively normally-closed contact KA4-1 and the contactor KM2 of normally-closed contact KM1-3, the relay K A4 of contactor KM1;
Described second switch is connected with the normally opened contact KA1-1 of relay K A1 and the normally opened contact KA2-1 of relay K A2, and the other end of described normally opened contact KA1-1 is connected between described button SF and normally-closed contact KM2-3; The other end of described normally opened contact KA2-1 is connected between described button SS and normally-closed contact KM1-3;
Relay K A3 is connected with described control power supply by the 3rd switch; Relay K A4 is connected with described control power supply by the 4th switch;
Valve reaches the normally opened contact KA3-2 of an indicator light HG by relay K A3 and controls power supply and be connected; Valve closes the normally opened contact KA4-2 of the indicator light HR that puts in place by relay K A4 and controls power supply and be connected.
2. a kind of electric valve control case as claimed in claim 1, is characterized in that: described the 3rd switch in parallel has the 5th switch, and described the 4th switch in parallel has the 6th switch.
3. a kind of electric valve control case as claimed in claim 1, is characterized in that: described the first switch and second switch are realized by a universal seclector.
4. a kind of electric valve control case as claimed in claim 1, is characterized in that: between described main contacts KM1-1 and main contacts KM2-1 and the winding of motor, be provided with overheat protector.
5. a kind of electric valve control case as claimed in claim 1, is characterized in that: between described main contacts KM1-1 and main contacts KM2-1 and described main power source, be provided with miniature circuit breaker.
6. a kind of electric valve control case as claimed in claim 1, is characterized in that: comprise four groups of main circuits and four groups of control circuits.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420385877.2U CN204013457U (en) | 2014-07-11 | 2014-07-11 | Electric valve control case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420385877.2U CN204013457U (en) | 2014-07-11 | 2014-07-11 | Electric valve control case |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204013457U true CN204013457U (en) | 2014-12-10 |
Family
ID=52053391
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420385877.2U Expired - Fee Related CN204013457U (en) | 2014-07-11 | 2014-07-11 | Electric valve control case |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204013457U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107179722A (en) * | 2017-07-06 | 2017-09-19 | 江苏新扬机电设备有限公司 | A kind of third gear actuator control module for air conditioner |
| CN109240194A (en) * | 2018-09-21 | 2019-01-18 | 中持水务股份有限公司 | Electric machine control system and control method for engineering of water treatment |
| CN111238003A (en) * | 2020-03-19 | 2020-06-05 | 合肥丰蓝电器有限公司 | Control method of temperature adjusting unit |
-
2014
- 2014-07-11 CN CN201420385877.2U patent/CN204013457U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107179722A (en) * | 2017-07-06 | 2017-09-19 | 江苏新扬机电设备有限公司 | A kind of third gear actuator control module for air conditioner |
| CN109240194A (en) * | 2018-09-21 | 2019-01-18 | 中持水务股份有限公司 | Electric machine control system and control method for engineering of water treatment |
| CN111238003A (en) * | 2020-03-19 | 2020-06-05 | 合肥丰蓝电器有限公司 | Control method of temperature adjusting unit |
| CN111238003B (en) * | 2020-03-19 | 2021-05-18 | 合肥丰蓝电器有限公司 | Control method of temperature adjusting unit |
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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: 20141210 Termination date: 20190711 |