CN201248013Y - Special switch power supply for vacuum contactor - Google Patents
Special switch power supply for vacuum contactor Download PDFInfo
- Publication number
- CN201248013Y CN201248013Y CNU2008201416245U CN200820141624U CN201248013Y CN 201248013 Y CN201248013 Y CN 201248013Y CN U2008201416245 U CNU2008201416245 U CN U2008201416245U CN 200820141624 U CN200820141624 U CN 200820141624U CN 201248013 Y CN201248013 Y CN 201248013Y
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- control circuit
- relay
- power supply
- switch
- output
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- 238000005259 measurement Methods 0.000 claims description 11
- 230000008901 benefit Effects 0.000 abstract description 5
- 238000012360 testing method Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
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Abstract
The utility model relates to a switch power supply special for a vacuum contactor, which comprises a shell and a control circuit in the shell, wherein a power supply input port, a power supply switch and an AC voltmeter are arranged on the shell. the switch power supply is technically characterized in that the control circuit is composed of a power supply input control circuit, a voltage output control circuit and a trigger output control circuit, wherein the input end of the power supply input control circuit is connected with the power supply input port on the shell, the output end of the power supply input control circuit is respectively connected with the input ends of the voltage output control circuit and the trigger output control circuit, the output end of the voltage output control circuit is connected with a measuring terminal on the shell, the control end of the trigger output control circuit is connected with the voltage output control circuit, and the output end of the trigger output control circuit is connected with a trigger output terminal on the shell. The utility model provides a simple and effective switch power supply for the experiment of the vacuum contactor, improves the experimental efficiency to the vacuum contactor, and brings better social and economic benefits.
Description
Technical field
The utility model belongs to field of switch power, especially a kind of vacuum contactor switch power special.
Background technology
At present, often use Switching Power Supply in detection of the scene of power equipment and maintenance process, existing Switching Power Supply generally has advantages such as voltage is adjustable, simple to operate, volume is little, easy to carry, is the indispensable testing tool of site examining and repairing.But, existing Switching Power Supply causes power supply to cross the problem of cause thermal damage for fear of switch branch, the long-time energising of closing coil, all adopt and pin the processing mode that mains switch is promptly switched on, promptly cut off the power supply not according to mains switch, or after switch deciliter action the processing mode of power supply automatic disconnection in the second, but above-mentioned processing mode can not be carried out switch branch, feed motion test to vacuum contactor, because vacuum contactor power supply in closure can not disconnect, otherwise it also will be opened thereupon; Although can address the above problem at the more external control circuits of Switching Power Supply, need many people to cooperate just and can test usually, there is the problem of complicated operation.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, provides a kind of branch, feed motion simple to operate, that can guarantee vacuum contactor to test the vacuum contactor switch power special that carries out smoothly.
The utility model solves its technical problem and takes following technical scheme to realize:
A kind of vacuum contactor switch power special, constitute by housing and inner control circuit thereof, on housing, be provided with the power supply input port, mains switch, A.C. voltmeter, it is characterized in that: control circuit is by the power supply input control circuit, voltage output control circuit and triggering output control circuit constitute, the input of power supply input control circuit is connected with power supply input port on the housing, its output is connected with the input of voltage output control circuit and triggering output control circuit respectively, the output of voltage output control circuit is connected with measurement terminal on the housing, the control end that triggers output control circuit is connected with voltage output control circuit, and the output of triggering output control circuit is connected with the triggering lead-out terminal on the housing.
And described power supply input control circuit is connected and composed by mains switch (K4), executive button (SB1) and first relay (Z1); Described voltage output control circuit is made of voltage regulator, power protecting circuit, voltage regulator is connected the output of power supply input control circuit, the output of voltage regulator connects an A.C. voltmeter and a power protecting circuit, the output of voltage regulator also with trigger output control circuit in two contacts (J2 ') end of second relay (Z2) be connected, the other end of two contacts of second relay (Z2) (J2 ') is connected with the measurement terminal on the housing; Described triggering output control circuit is by switch knob (SB2), opening button (SB3), the time relay (during Z), second relay (Z2), the 3rd relay (Z3) connects and composes, a switch knob (SB2) and opening button (SB3) end are connected in parallel on the power supply input port, the time relay (during Z), second relay (Z2) is connected in parallel on the other end of switch knob (SB2), the a pair of normally closed contact (during J) of the time relay (during Z) is connected respectively on the triggering lead-out terminal on the housing, the a pair of normal opened contact of the time relay (during Z) (during J ') be connected respectively on the triggering lead-out terminal on the housing, a contact (J2) of second relay (Z2) is connected the two ends of switch knob (SB2), the 3rd relay (Z3) is connected the other end of opening button (SB3), and the normally closed contact (J3) of the 3rd relay (Z3) is connected the other end of second relay (Z2).
And the output of described voltage regulator connects a voltage-selected switch (K1).
And, also be connected an alternating current-direct current selector switch (K2), filter rectifier and D.C. voltmeter between the output of described voltage regulator and the power protecting circuit.
And, also be connected a polar selecting switch (K3) between two contacts of described second relay (Z2) (J2 ') and the measurement terminal.
And the described time relay (during Z) is 1 second time delay relay.
Advantage of the present utility model and good effect are:
1. this vacuum contactor switch power special is exported job specification and the characteristics of control to meet vacuum contactor by triggering output control circuit to output voltage, can be to the branch of vacuum contactor, close a floodgate and control, guaranteed reliably the carrying out of branch, feed motion test of vacuum contactor.
2. this vacuum contactor switch power special can carry out pressure regulation and carry out the selection of 110/220V voltage output to adapt to different voltage requests by voltage-selected switch by the voltage regulator in the voltage output control circuit the AC power of input, carry out the selection of combined-voltage output by the alternating current-direct current output selector switch, select the voltage of output opposed polarity by polar selecting switch, thereby satisfy the needs of different user.
3. the utility model has the extensive characteristics of the scope of application for the vacuum contactor test provides a kind of simple and effective Switching Power Supply, has improved the test efficiency to vacuum contactor, has brought good social benefit and economic benefit.
Description of drawings
Fig. 1 is a surface structure schematic diagram of the present utility model;
Fig. 2 is the block diagram of control circuit;
Fig. 3 is the circuit diagram of control circuit.
Embodiment
Below in conjunction with accompanying drawing the utility model embodiment is further described:
This vacuum contactor switch power special is made of housing and inner control circuit thereof, as shown in Figure 1, the structure of this housing is: be provided with power supply input port 12, power supply indicator 13, mains switch 15, A.C. voltmeter 3 on the panel 1 of housing, D.C. voltmeter 6, three measurement terminal 4, polar selecting switch 2, voltage-selected switch 5, alternating current-direct current selector switch 7, adjusting pressuring knob 14, executive buttons 16, trigger lead-out terminal 8, circuits for triggering mains switch 10, switch knob 9 and opening button 11 and be connected with control circuit in the housing respectively.
As shown in Figure 2, control circuit in the housing is by the power supply input control circuit, voltage output control circuit and triggering output control circuit constitute, the input of power supply input control circuit is connected with power supply input port on the housing, its output is connected with the input of voltage output control circuit and triggering output control circuit respectively, the output of voltage output control circuit is connected with measurement terminal on the housing, the control end that triggers output control circuit is connected with voltage output control circuit, and the output of triggering output control circuit is connected with the triggering lead-out terminal on the housing.
As shown in Figure 3, the physical circuit annexation of the control circuit in the housing is: described power supply input control circuit is connected and composed by mains switch (K4), executive button (SB1) and first relay (Z1) and is connected with power supply indicator on the housing, carries out the switch control of power supply by mains switch (K4) and executive button (SB1); Described triggering output control circuit is by switch knob (SB2), opening button (SB3), the time relay (during Z), second relay (Z2), the 3rd relay (Z3) connects and composes, a switch knob (SB2) and opening button (SB3) end are connected in parallel on the power supply input port, the time relay (during Z), second relay (Z2) is connected in parallel on the other end of switch knob (SB2), in the present embodiment, the time relay (during Z) is 1 second time delay relay, the a pair of normally closed contact (during J) of the time relay (during Z) is connected respectively on the triggering lead-out terminal on the housing, the a pair of normal opened contact of the time relay (during Z) (during J ') be connected respectively on the triggering lead-out terminal on the housing, a contact (J2) of second relay (Z2) is connected the two ends of switch knob (SB2), the 3rd relay (Z3) is connected the other end of opening button (SB3), and the normally closed contact (J3) of the 3rd relay (Z3) is connected the other end of second relay (Z2); Described voltage output control circuit is made of voltage regulator, voltage-selected switch (K1), alternating current-direct current selector switch (K2), filter rectifier, power protecting circuit, polar selecting switch (K3), voltage regulator is connected the output of power supply input control circuit, the output of voltage regulator connects a voltage-selected switch (K1) and carries out the output voltage adjustment by voltage regulator, behind voltage-selected switch, connect A.C. voltmeter, and pass through alternating current-direct current selector switch (K2) connection with filter rectifier and D.C. voltmeter, select the output and the demonstration of combined-voltage; The other end at alternating current-direct current selector switch (K2) is connected with power protecting circuit; and be connected simultaneously with an end of two contacts of second relay (Z2) (J2 '); the other end of two contacts of second relay (Z2) (J2 ') is connected with measurement terminal on the housing by polar selecting switch (K3), carries out the output of polarity at the closing of measurement terminal, branch, negative terminal and selects.
Operation principle of the present utility model is: vacuum contactor is connected on the measurement terminal by coil, after regulating by adjusting pressuring knob according to the electric pressure of vacuum contactor, after pressing switch knob, the time relay (during Z), second relay (Z2) have, make three road contacts (J2 and J2 ') of second relay (Z2) connect simultaneously, the output of switch knob has, make the vacuum contactor closure, at this moment, the contact (J2) of second relay (Z2) is in the self-sustaining state, keeps the vacuum contactor closure state; After time relay (during Z) kept for 1 second, the time relay (during Z) produces action made 2 road contacts (during J) often be opened by normally closed change, the 2 tunnel (during J ') become normally closed by often opening.When pressing opening button, the 3rd relay (Z3) has electricity that normally closed contact (J3) is disconnected, at this moment, the time relay (during Z), second relay (Z2) do not have path and cut off the power supply, thereby three contacts (J2, J2 ') of second relay are disconnected simultaneously, the switch knob output does not have electricity, thereby vacuum contactor is disconnected.Because two docking points of the time relay (during Z) are (during J, during J ') export control to triggering lead-out terminal, therefore when combined floodgate or sub-switching operation, trigger lead-out terminal at two and can export instantaneous voltage (1 second), trigger lead-out terminal connection hourmeter instrument by two vacuum contactor is carried out branch, feed motion timing measuring.
It is emphasized that; embodiment described in the utility model is illustrative; rather than it is determinate; therefore the utility model is not limited to the embodiment described in the embodiment; every by those skilled in the art according to other execution modes that the technical solution of the utility model draws, belong to the scope of the utility model protection equally.
Claims (6)
1. vacuum contactor switch power special, constitute by housing and inner control circuit thereof, on housing, be provided with the power supply input port, mains switch, A.C. voltmeter, it is characterized in that: control circuit is by the power supply input control circuit, voltage output control circuit and triggering output control circuit constitute, the input of power supply input control circuit is connected with power supply input port on the housing, its output is connected with the input of voltage output control circuit and triggering output control circuit respectively, the output of voltage output control circuit is connected with measurement terminal on the housing, the control end that triggers output control circuit is connected with voltage output control circuit, and the output of triggering output control circuit is connected with the triggering lead-out terminal on the housing.
2. vacuum contactor switch power special according to claim 1 is characterized in that: described power supply input control circuit is connected and composed by mains switch (K4), executive button (SB1) and first relay (Z1); Described voltage output control circuit is made of voltage regulator, power protecting circuit, voltage regulator is connected the output of power supply input control circuit, the output of voltage regulator connects an A.C. voltmeter and a power protecting circuit, the output of voltage regulator also with trigger output control circuit in two contacts (J2 ') end of second relay (Z2) be connected, the other end of two contacts of second relay (Z2) (J2 ') is connected with the measurement terminal on the housing; Described triggering output control circuit is by switch knob (SB2), opening button (SB3), the time relay (during Z), second relay (Z2), the 3rd relay (Z3) connects and composes, a switch knob (SB2) and opening button (SB3) end are connected in parallel on the power supply input port, the time relay (during Z), second relay (Z2) is connected in parallel on the other end of switch knob (SB2), the a pair of normally closed contact (during J) of the time relay (during Z) is connected respectively on the triggering lead-out terminal on the housing, the a pair of normal opened contact of the time relay (during Z) (during J ') be connected respectively on the triggering lead-out terminal on the housing, a contact (J2) of second relay (Z2) is connected the two ends of switch knob (SB2), the 3rd relay (Z3) is connected the other end of opening button (SB3), and the normally closed contact (J3) of the 3rd relay (Z3) is connected the other end of second relay (Z2).
3. vacuum contactor switch power special according to claim 2 is characterized in that: the output of described voltage regulator connects a voltage-selected switch (K1).
4. according to claim 2 or 3 described vacuum contactor switch power specials, it is characterized in that: also be connected an alternating current-direct current selector switch (K2), filter rectifier and D.C. voltmeter between the output of described voltage regulator and the power protecting circuit.
5. vacuum contactor switch power special according to claim 2 is characterized in that: also be connected a polar selecting switch (K3) between two contacts of described second relay (Z2) (J2 ') and the measurement terminal.
6. vacuum contactor switch power special according to claim 2 is characterized in that: the described time relay (during Z) is 1 second time delay relay.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201416245U CN201248013Y (en) | 2008-08-18 | 2008-08-18 | Special switch power supply for vacuum contactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201416245U CN201248013Y (en) | 2008-08-18 | 2008-08-18 | Special switch power supply for vacuum contactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201248013Y true CN201248013Y (en) | 2009-05-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201416245U Expired - Lifetime CN201248013Y (en) | 2008-08-18 | 2008-08-18 | Special switch power supply for vacuum contactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201248013Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110297177A (en) * | 2019-08-06 | 2019-10-01 | 天津市津源供电设备有限公司 | A kind of switch test power-supply device |
-
2008
- 2008-08-18 CN CNU2008201416245U patent/CN201248013Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110297177A (en) * | 2019-08-06 | 2019-10-01 | 天津市津源供电设备有限公司 | A kind of switch test power-supply device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: TIANJIN ELECTRIC POWER CORP. Effective date: 20130522 Owner name: STATE ELECTRIC NET CROP. Free format text: FORMER OWNER: TIANJIN ELECTRIC POWER CORP. Effective date: 20130522 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 300010 HEBEI, TIANJIN TO: 100031 XICHENG, BEIJING |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20130522 Address after: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Patentee after: State Grid Corporation of China Patentee after: Tianjin Electric Power Corp. Address before: 300010 Tianjin city Hebei District Wujing Road No. 39 Patentee before: Tianjin Electric Power Corp. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20090527 |
|
| CX01 | Expiry of patent term |