CN2338751Y - Electric power box for high tension testing - Google Patents
Electric power box for high tension testing Download PDFInfo
- Publication number
- CN2338751Y CN2338751Y CN 98242490 CN98242490U CN2338751Y CN 2338751 Y CN2338751 Y CN 2338751Y CN 98242490 CN98242490 CN 98242490 CN 98242490 U CN98242490 U CN 98242490U CN 2338751 Y CN2338751 Y CN 2338751Y
- Authority
- CN
- China
- Prior art keywords
- contact
- disconnecting link
- circuit
- relay
- major loop
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to an electric power box for high voltage tests, which is characterized in that the circuit of the utility model is composed of a main circuit, a control circuit, and a speech control circuit, the knife switch K of the power supply is connected to the intermediate section of the main circuit, the control circuit and a phonological circuit are connected in parallel between the input end of the main circuit and the static end of the knife switch K, voice prompt can be arranged in the process of the high voltage test of a power box, and electrical and mechanical latching can be realized in order to make the process of the high voltage test safer.
Description
The utility model relates to a kind of experiment power supply case that is used for the power high voltage test.
At present, power department carries out high-potting, and the safety in the process of the test mainly relies on operating personnel to strictly observe working specification and realizes that be difficult to avoid the generation of maloperation, safe reliability is relatively poor.
The purpose of this utility model provides a kind of test operation process that makes can realize forced blocking, and voice prompt operation is arranged, safe and reliable experiment power supply case.
The technical solution of the utility model realizes in the following way, this experiment power supply case comprises control panel, casing and the circuit that is installed in the casing, described circuit is by major loop, control circuit and voice control circuit are formed, wherein, the input termination power of major loop, its output termination testing equipment, power supply disconnecting link K is connected the major loop stage casing, the moved end of disconnecting link K is connected with the major loop output terminal through electric leakage protector, between disconnecting link K moved end and electric leakage protector, there is a relay ZJ2 to be connected in parallel between phase line and the zero line, and the quiet termination of disconnecting link K is gone into the major loop input end, also have two pilot lamp D1, D2 is connected in the major loop, and wherein D1 (green) is connected in parallel on the quiet end of disconnecting link K, and D2 (redness) is connected in parallel on the major loop output terminal; Described control circuit is through the power supply box gauge tap K1 of series connection successively, the preceding utmost point that reset button FA is connected to start button QA by the phase line of major loop input end, start button QA is a ganged switch, the first via switch of this ganged switch inserts zero line through the contactor CJ of series connection, and its second way switch inserts zero line through the relay ZJ1 that connects; Described voice control circuit comprises transformation rectification circuit, three sound circuits, power amplifier and loudspeakers, the input end of transformation rectification circuit inserts the quiet end of disconnecting link K, the low-voltage direct end of transformation rectification circuit output is connected on the loudspeaker by power amplifier, and three sound circuit Y1, Y2, Y3 are parallel with one another between the positive pole and power amplifier of transformation rectification circuit low-voltage direct end.In addition, above-mentioned contactor CJ has four face contact CJ-1, CJ-2, CJ-3 and CJ-4, the first via switch in parallel of contact CJ-1 and start button QA wherein, contact CJ-2 and CJ-3 are connected on respectively on the zero line and phase line between major loop input end and the quiet end of disconnecting link K, contact CJ-4 is connected between the positive pole and loudspeaker of power amplifier output terminal, when contactor CJ gets each junction closure when electric, and each contact disconnects when its dead electricity; Above-mentioned relay ZJ1 has three face contact ZJ1-1, ZJ1-2 and ZJ1-3, the second way switch parallel connection, contact ZJ1-2 is connected on the preceding utmost point of sound circuit Y1, contact ZJ1-3 is connected on the utmost point behind the sound circuit Y3, contact ZJ1-1 and ZJ1-2 get closure when electric at relay ZJ1, and contact ZJ1-3 closure when relay electric-loss; Above-mentioned relay ZJ2 has five face contact ZJ2-1, ZJ2-2, ZJ2-3, ZJ2-4 and ZJ2-5, wherein contact ZJ2-1 is in parallel with power supply box gauge tap K1 and reset button FA, contact ZJ2-2 is connected between second way switch and relay ZJ1 of start button QA, contact ZJ2-3 is connected on the preceding utmost point of sound circuit Y2, contact ZJ2-4 is connected on the back utmost point of sound circuit Y1, contact ZJ2-5 is connected on the preceding utmost point of sound circuit Y3, contact ZJ2-1 and ZJ2-3 get closure when electric at relay ZJ2, and contact ZJ2-2, ZJ2-4 and ZJ2-5 be closure when relay electric-loss.
Simultaneously, adopt mechanical latching between disconnecting link K and the start button QA, promptly disconnecting link and start button all are installed on the control panel, start button is positioned at the disconnecting link top, and when disconnecting link was positioned at closing position, the handle of disconnecting link kept off in start button the place ahead, makes the operator can't press start button.
The utility model has the advantages that,, guaranteed the safety of test because the voice suggestion and the blocking function of experiment power supply case have been avoided the maloperation in the high-potting process.
Below in conjunction with accompanying drawing embodiment of the present utility model is described further.
Fig. 1 is the circuit diagram of the utility model experiment power supply case;
Fig. 2 is the position view of disconnecting link K and start button QA.
As shown in Figure 1, circuit forms 3 by major loop 1, control circuit 2 and voice control circuit, and the circuit working program is as follows:
One, prepares test.This moment, disconnecting link K was at open position, pressed start button QA, and A.C. contactor CJ and intermediate relay ZJ 1 are charged, CJ-1 and the self-sustaining of ZJ1-1 junction closure.CJ-2 on the major loop, CJ-3 junction closure, green indicating lamp D1 is bright, and the power supply of major loop is delivered to static contact and the sound circuit of disconnecting link K.At this moment, the CJ4 junction closure is connected loudspeaker 4, because ZJ1-2 and ZJ2-4 junction closure trigger sound circuit Y1, sends the voice suggestion that test is about to begin simultaneously.
Two, on-test.This moment disconnecting link K and electric leakage protector 5 closures.Output voltage, red led D2 is bright, and relay ZJ2 gets electric, the ZJ2-3 junction closure, the ZJ2-4 contact disconnects, and triggers sound circuit Y2, disconnects sound circuit Y1, sends the voice suggestion of testing.Because the ZJ2-2 contact disconnects, make relay ZJ1 dead electricity, the ZJ1-3 closure simultaneously.
Three, off-test.Disconnect plug-in strip K this moment, relay ZJ2 dead electricity, and the ZJ2-5 junction closure, ZJ2-3 connects disconnection, triggers sound circuit Y3, disconnects sound circuit Y2, sends off-test, the voice suggestion of ground connection discharge.
Four, revision test.Press restoration of old ways button F A this moment, makes contactor CJ dead electricity, and CJ-1, CJ-2, CJ-3 and CJ-4 contact disconnect, and circuit recovers to prepare trystate.
The experiment power supply case also has the anti-misoperation function, and at first, when disconnecting link K was closed, because the locking of ZJ2-1 contact is arranged, power supply box gauge tap K1 and restoration of old ways button F A were inoperative; Secondly, the transmission of voice and major loop locking, if do not press start button QA starting sound circuit, because contact CJ-2, CJ-3 on major loop disconnection, even close also no-voltage output of disconnecting link K; The 3rd, because disconnecting link K and start button QA are installed on the control panel 6, disconnecting link K handle 7 when closing a floodgate covers in start button QA the place ahead (as shown in Figure 2), when having only disconnecting link K to disconnect, can start major loop and phonological loop.
Sound circuit in the circuit, speech chip all can adopt the TSG4812 type.
Claims (2)
1, a kind of experiment power supply case, comprise control panel (6), casing and the circuit that is installed in the casing, it is characterized in that: described circuit is by major loop (1), control circuit (2) and voice control circuit (3) are formed, wherein, the input termination power of major loop (1), its output termination testing equipment, power supply disconnecting link K is connected the major loop stage casing, the moved end of disconnecting link K is connected with the major loop output terminal through earth leakage protector (5), between disconnecting link K moved end and earth leakage protector, there is a relay ZJ2 to be connected in parallel between phase line and the zero line, and the quiet termination of disconnecting link K is gone into the major loop input end, also have two pilot lamp D1, D2 is connected in the major loop, and wherein D1 (green) is connected in parallel on the quiet end of disconnecting link K, and D2 (redness) is connected in parallel on the major loop output terminal; Described control circuit (2) is through the power supply box gauge tap K1 of series connection successively, the preceding utmost point that reset button FA is connected to start button QA by the phase line of major loop input end, start button QA is a ganged switch, the first via switch of this ganged switch inserts zero line through the contactor CJ of series connection, and its second way switch inserts zero line through the relay ZJ1 that connects; Described voice control circuit (3) comprises transformation rectification circuit (8), three sound circuits, power amplifier (9) and loudspeakers (4), the input end of transformation rectification circuit inserts the quiet end of disconnecting link K, the low-voltage direct end of transformation rectification circuit output is connected on the loudspeaker by power amplifier, three sound circuit Y1, Y2, Y3 are parallel with one another between the positive pole and power amplifier of transformation rectification circuit low-voltage direct end
In addition, above-mentioned contactor CJ has four face contact CJ-1, CJ-2, CJ-3 and CJ-4, the first via switch in parallel of contact CJ-1 and start button QA wherein, contact CJ-2 and CJ-3 are connected on respectively on the zero line and phase line between major loop input end and the quiet end of disconnecting link K, contact CJ-4 is connected between the positive pole and loudspeaker of power amplifier output terminal, when contactor CJ gets each junction closure when electric, and each contact disconnects when its dead electricity; Above-mentioned relay ZJ1 has three face contact ZJ1-1, ZJ1-2 and ZJ1-3, and wherein contact ZJ-1 is in parallel with second way switch of start button QA, contact ZJ1-2 is connected on the preceding utmost point of sound circuit Y1, contact ZJ1-3 is connected on the utmost point behind the sound circuit Y3, contact ZJ1-1 and ZJ1-2 get closure when electric at relay ZJ1, and contact ZJ1-3 closure when relay electric-loss; Above-mentioned relay ZJ2 has five face contact ZJ2-1, ZJ2-2, ZJ2-3, ZJ2-4 and ZJ2-5, wherein contact ZJ2-1 is in parallel with power supply box gauge tap K1 and reset button FA, contact ZJ2-2 is connected between second way switch and relay ZJ1 of start button QA, contact ZJ2-3 is connected on the preceding utmost point of sound circuit Y2, contact ZJ2-4 is connected on the back utmost point of sound circuit Y1, contact ZJ2-5 is connected on the preceding utmost point of sound circuit Y3, contact ZJ2-1 and ZJ2-3 get closure when electric at relay ZJ2, and contact ZJ2-2, ZJ2-4 and ZJ2-5 be closure when relay electric-loss.
2, according to the experiment power supply case of claim 1, it is characterized in that: be mechanical latching between disconnecting link K and the start button QA, be that disconnecting link and start button all are installed on the control panel (6), start button is positioned at the disconnecting link top, and when disconnecting link was positioned at closing position, the handle of disconnecting link (7) kept off in start button the place ahead.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98242490 CN2338751Y (en) | 1998-10-27 | 1998-10-27 | Electric power box for high tension testing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98242490 CN2338751Y (en) | 1998-10-27 | 1998-10-27 | Electric power box for high tension testing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2338751Y true CN2338751Y (en) | 1999-09-15 |
Family
ID=33989043
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 98242490 Expired - Fee Related CN2338751Y (en) | 1998-10-27 | 1998-10-27 | Electric power box for high tension testing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2338751Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104049160A (en) * | 2014-05-20 | 2014-09-17 | 国家电网公司 | Voice prompt device used during electrical test |
| CN108460960A (en) * | 2018-04-28 | 2018-08-28 | 淮北矿业（集团）有限责任公司 | A kind of preventing misoperation of high-tension switch cabinet locking voice prompting device |
-
1998
- 1998-10-27 CN CN 98242490 patent/CN2338751Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104049160A (en) * | 2014-05-20 | 2014-09-17 | 国家电网公司 | Voice prompt device used during electrical test |
| CN108460960A (en) * | 2018-04-28 | 2018-08-28 | 淮北矿业（集团）有限责任公司 | A kind of preventing misoperation of high-tension switch cabinet locking voice prompting device |
| CN108460960B (en) * | 2018-04-28 | 2020-07-21 | 淮北矿业（集团）有限责任公司 | Voice prompting device for preventing misoperation and locking of high-voltage switch cabinet |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |