CN204576111U - The small-sized load control box of timing adjustable circular start-stop - Google Patents
The small-sized load control box of timing adjustable circular start-stop Download PDFInfo
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- CN204576111U CN204576111U CN201520084203.3U CN201520084203U CN204576111U CN 204576111 U CN204576111 U CN 204576111U CN 201520084203 U CN201520084203 U CN 201520084203U CN 204576111 U CN204576111 U CN 204576111U
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- stop
- control box
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Abstract
The utility model discloses the small-sized load control box of a kind of timing adjustable circular start-stop, relate to time-controlling arrangement technical field.Described control box comprises casing, is provided with control circuit in described casing, and described control circuit comprises load circuit and control loop, and described control loop comprises the time relay and contactor.The circulation start-stop that described control box can realize motor or illumination even load controls, and compared with time switch, this control box does not limit by time switch timing hop count, can set unlimited circulation according to the time, and without subsidiary loop, simple to operate, long service life; Compare with single-chip microcomputer with PLC, the cost of this control box is lower.
Description
Technical field
The utility model relates to time-controlling arrangement technical field, particularly relates to the small-sized load control box of a kind of timing adjustable circular start-stop.
Background technology
Existing time cycle controller generally has two kinds of situations: the first uses time switch to realize; The second uses PLC and chip microcontroller.Because time switch generally only has ten timing sections, so use the electric cabinet of time switch to limit by timing hop count, use inconvenience.When electric cabinet uses PLC and single-chip microcomputer to carry out completion timing work, the cost again because of PLC and single-chip microcomputer is higher, causes electric cabinet manufacturing cost higher.
Utility model content
Technical problem to be solved in the utility model is to provide the small-sized load control box of a kind of timing adjustable circular start-stop, and described control box has simple to operate, long service life, low cost of manufacture feature.
For solving the problems of the technologies described above, technical solution adopted in the utility model is: the small-sized load control box of a kind of timing adjustable circular start-stop, comprise casing, it is characterized in that: in described casing, be provided with control circuit, described control circuit comprises load circuit and control loop, the input end of described control loop is started to exchange fire line, the input end of control loop is divided into two-way after start-stop knob SB1, and wherein the first via is connected with zero line after the coil L1 of time relay KT1 through the normally closed contact SB2 of contactor KM successively; Second tunnel through time relay KT2 be divided into two-way again after electric delay cut-off normally closed contact SB3, wherein first via connecting to neutral line after the normally opened contact SB4 of contactor KM and the coil L2 of contactor KM successively, second tunnel successively through time relay KT1 electric time closing normally opened contact SB5 and time relay KT2 coil L3 after connecting to neutral line, the node of self-locking normally opened contact SB4 and coil L2 connects to obtain the node of electric time closing normally opened contact SB5 and time relay coil L3; The power input of described load circuit connects power supply, the power input of described load circuit successively through power switch QF and contactor KM often open main contacts SB6 after connect load.
Further technical scheme is: described start-stop knob SB1, time relay KT working time adjusting knob and stand-by time adjusting knob be embedded on described casing.
Further technical scheme is: described casing is provided with door lock.
Further technical scheme is: described casing is provided with Sign Board.
The beneficial effect adopting technique scheme to produce is: the circulation start-stop that described control box can realize motor or illumination even load controls, compared with time switch, this control box does not limit by time switch timing hop count, unlimited circulation can be set according to the time, and without subsidiary loop, simple to operate, long service life, the manufacturing cost comparing this control box with PLC with single-chip microcomputer is lower.
Accompanying drawing explanation
Fig. 1 is surface structure schematic diagram of the present utility model;
Fig. 2 is control circuit schematic diagram of the present utility model;
Wherein: 1, casing 2, working time adjusting knob 3, stand-by time adjusting knob 4, door lock 5, Sign Board 6, start-stop knob SB1.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only a part of embodiment of the present utility model, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Set forth a lot of detail in the following description so that fully understand the utility model, but the utility model can also adopt other to be different from alternate manner described here to implement, those skilled in the art can when doing similar popularization without prejudice to when the utility model intension, and therefore the utility model is by the restriction of following public specific embodiment.
As shown in Figure 1, the utility model discloses the small-sized load control box of a kind of timing adjustable circular start-stop, comprise casing 1, start-stop knob SB16, time relay KT working time adjusting knob 2 and stand-by time adjusting knob 3 be embedded on described casing 1, described casing 1 is provided with door lock and Sign Board 5.
As shown in Figure 2, control circuit is provided with in described casing 1, described control circuit comprises load circuit and control loop, the input end of described control loop is started to exchange fire line, the input end of control loop is divided into two-way after start-stop knob SB1, and wherein the first via is connected with zero line after the coil L1 of time relay KT1 through the normally closed contact SB2 of contactor KM successively; Second tunnel through time relay KT2 be divided into two-way again after electric delay cut-off normally closed contact SB3, wherein first via connecting to neutral line after the normally opened contact SB4 of contactor KM and the coil L2 of contactor KM successively, second tunnel successively through time relay KT1 electric time closing normally opened contact SB5 and time relay KT2 coil L3 after connecting to neutral line, the node of self-locking normally opened contact SB4 and coil L2 connects to obtain the node of electric time closing normally opened contact SB5 and time relay coil L3; The power input of described load circuit connects power supply, the power input of described load circuit successively through power switch QF and contactor KM often open main contacts SB6 after connect load.
Principle of work: operating power switch QF makes it be in closure state, rotate SB1 to run location, the coil L1 of the time relay KT1 in control loop obtains electric, start timing, after the time arrives, obtaining electric time closing normally opened contact SB5 is closure state by open mode saltus step, the coil of contactor KM obtains electric, normally opened contact SB4 is closed realizes self-locking, and normally opened contact SB6 closes as load supplying, and load brings into operation, when time relay KT2 coil L3 must establish by cable and begin meter operation, now SB2 disconnects, coil L1 power-off, SB5 disconnects, when after the working time arriving setting, obtaining electric time delay disconnection normally closed contact SB3 is open mode by closure state saltus step, the coil L2 dead electricity of contactor KM, normally opened contact SB4 and SB6 divides out, now load is out of service, the normally closed contact SB2 of contactor closes, L1 coil obtains electric, start to count stand-by time, after L1 coil obtains arrival setting of electric time stand-by time, obtaining electric time closing normally opened contact SB5 is closure state by open mode saltus step, repeat previous step, realize circulation start-stop.
The circulation start-stop that described control box can realize motor or illumination even load controls, compared with time switch, this control box does not limit by time switch timing hop count, unlimited circulation can be set according to the time, and without subsidiary loop, simple to operate, long service life, the cost comparing this control box with PLC with single-chip microcomputer is lower.
Claims (4)
1. the small-sized load control box of timing adjustable circular start-stop, comprise casing (1), it is characterized in that: described casing is provided with control circuit in (1), described control circuit comprises load circuit and control loop, the input end of described control loop is started to exchange fire line, the input end of control loop is divided into two-way after start-stop knob SB1, and wherein the first via is connected with zero line after the coil L1 of time relay KT1 through the normally closed contact SB2 of contactor KM successively; Second tunnel through time relay KT2 be divided into two-way again after electric delay cut-off normally closed contact SB3, wherein first via connecting to neutral line after the normally opened contact SB4 of contactor KM and the coil L2 of contactor KM successively, second tunnel successively through time relay KT1 electric time closing normally opened contact SB5 and time relay KT2 coil L3 after connecting to neutral line, the node of self-locking normally opened contact SB4 and coil L2 connects to obtain the node of electric time closing normally opened contact SB5 and time relay coil L3; The power input of described load circuit connects power supply, the power input of described load circuit successively through power switch QF and contactor KM often open main contacts SB6 after connect load.
2. the small-sized load control box of timing adjustable circular according to claim 1 start-stop, is characterized in that: adjusting knob working time (2) and the stand-by time adjusting knob (3) of described start-stop knob SB1 (6), time relay KT are embedded on described casing (1).
3. the small-sized load control box of timing adjustable circular according to claim 1 start-stop, is characterized in that: described casing (1) is provided with door lock (4).
4. the small-sized load control box of timing adjustable circular according to claim 1 start-stop, is characterized in that: described casing (1) is provided with Sign Board (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520084203.3U CN204576111U (en) | 2015-02-05 | 2015-02-05 | The small-sized load control box of timing adjustable circular start-stop |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520084203.3U CN204576111U (en) | 2015-02-05 | 2015-02-05 | The small-sized load control box of timing adjustable circular start-stop |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204576111U true CN204576111U (en) | 2015-08-19 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520084203.3U Expired - Fee Related CN204576111U (en) | 2015-02-05 | 2015-02-05 | The small-sized load control box of timing adjustable circular start-stop |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204576111U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105159171A (en) * | 2015-08-28 | 2015-12-16 | 广东韶钢工程技术有限公司 | Simple counting type bidirectional timing controller |
-
2015
- 2015-02-05 CN CN201520084203.3U patent/CN204576111U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105159171A (en) * | 2015-08-28 | 2015-12-16 | 广东韶钢工程技术有限公司 | Simple counting type bidirectional timing controller |
| CN105159171B (en) * | 2015-08-28 | 2019-02-05 | 广东韶钢工程技术有限公司 | Simple counting type Two-way Time controller |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: Dongcheng District graben mountain city of Dongguan province Guangdong 523000 cattle outside the Industrial Zone No. 2 Jing Yi Road Building Patentee after: Guangdong East Technology Co., Ltd. Address before: Dongcheng District graben mountain city of Dongguan province Guangdong 523000 cattle outside the Industrial Zone No. 2 Jing Yi Road Building Patentee before: Guangdong Dong Shen Electric Applicance Co., Ltd |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150819 Termination date: 20190205 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |