CN2420774Y - Complementary power supply type instrument power box - Google Patents
Complementary power supply type instrument power box Download PDFInfo
- Publication number
- CN2420774Y CN2420774Y CN 00217534 CN00217534U CN2420774Y CN 2420774 Y CN2420774 Y CN 2420774Y CN 00217534 CN00217534 CN 00217534 CN 00217534 U CN00217534 U CN 00217534U CN 2420774 Y CN2420774 Y CN 2420774Y
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- China
- Prior art keywords
- power supply
- supply box
- overcurrent
- boss
- normally closed
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- Expired - Lifetime
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Abstract
The utility model designs a complementary electricity supplying type instrument power supply box. In the utility model, two present power supply boxes with relays are connected in series together by a normally closed switch. When a main power supply box appears failures, the secondary power supply box can be started for supplying electricity forming a complementary electricity supplying type power supply box. The utility model provides a guarantee for automatic control of systems.
Description
The utility model relates to a kind of instrumentation power supply, relates in particular to a kind of instrument power case to many instrument power supplies.
In automatic control equipment, the power supply box to many control instrument power supplies need be set all generally.At present, widely used various power supply boxs are generally all controlled by relay in automatic control equipment, and a reset button is set starts.As model is the power supply box of DFY-1110.Such power supply box in use finds to exist the following defective:
(1) run into the electrical network instant cut-off, power supply box promptly quits work, and the equal dead electricity of all instrument must be by manually restoring electricity by power supply box after the reset button.This automatic control for system brings great harm and inconvenience, even will cause the paralysis of whole system; (2) break down as power supply box, when being difficult to repair for the moment, will have a strong impact on whole production system; (3) the grid cut-off time long slightly, all instrument all can't be worked; (4) a certain electrical appliance breaks down, and makes the power supply box output current greater than rated current, will cause power supply box to be forced to stop power supply, and system is quit work.
Therefore, a kind of power supply box that can power continuously of design is the ten minutes needs.
The purpose of this utility model is to design a kind of power supply box of complementary operated type, to overcome
The above-mentioned defective of prior art.
Design of the present utility model is such: two existing power supply boxs that are provided with relay are serially connected by its normally closed switch, and when the main power source case broke down, the auxiliary power case can start, and began power supply, formed a kind of power supply box of complementary operated type.
For the technical scheme that realizes the utility model purpose as described below:
1. the said power supply box of the utility model comprises major and minor two sub-power supply boxs that structure is identical, each sub-power supply box includes transforming circuit, under-voltage protecting circuit, overvoltage crowbar, voltage stabilizing circuit, working indicating, reset button and is provided with a plurality of relay circuits of often opening with normally closed switch, above-described circuit and device and attaching method thereof are prior art, as model is the power supply box of DFY-1110, the utility model does not elaborate, boss's power supply box is the working power case, secondary sub-power supply box is stand-by power supply case, no power at ordinary times;
2. with the reset button short circuit on the sub-power supply box, run into electrical network moment jumping electricity like this, moment can make sub-power supply box automatically reset after powering on, resume work, and need not be by reset button;
3. a contact with first normally closed switch on boss's power supply box repeat circuit is connected with the line interface mutually of power supply box, and another contact is connected with the line interface mutually of secondary sub-power supply box; The in addition line interface of major and minor sub-power supply box interconnects, and therefore, when the relay in boss's power supply box for some reason during dead electricity, secondary sub-power supply box can obtain power supply, the relay adhesive of secondary sub-power supply box, and secondary sub-power supply box starts starts working;
The output of boss's power supply box power supply is generally finished by its second normally closed switch, the utility model is connected a contact of second normally closed switch on boss's power supply box repeat circuit with a contact of second normally closed switch of secondary sub-power supply box, therefore, when boss's power supply box breaks down, second normally closed switch of secondary sub-power supply box is promptly connected with second normally closed switch of boss's power supply box, can power to electrical appliance.
This power supply box is performed such operation:
During the work of boss's power supply box, its relay adhesive, first normally closed switch disconnects, the phase line input non-transformer of secondary sub-power supply box, therefore, secondary sub-power supply box is not worked, and electrical appliance is powered by boss's power supply box; When boss's power supply box broke down, its relay disconnected, and first normally closed switch and second normally closed switch are all connected.At this moment, the power supply phase line is connected with the line interface mutually of secondary sub-power supply box by first normally closed switch of boss's power supply box, and the relay of secondary sub-power supply box gets electric adhesive, and secondary sub-power supply box is started working, second normally closed switch of secondary sub-power supply box relay is connected, and beginning is powered to electrical appliance.
For making said power supply box more safe and reliable, a storage battery can be set behind the sub-power supply box of pair again, the positive pole of this storage battery is connected with second normally closed switch contact mutually of the relay of secondary sub-power supply box, negative pole is connected with the negative output terminal of secondary sub-power supply box, under normal circumstances, storage battery is not worked, be not communicated with electrical appliance, when the sub-power supply of major-minor all breaks down, relay disconnects, when not powering, second normally closed switch of second normally closed switch that storage battery can be by secondary sub-power supply box relay, the relay of boss's power supply box is powered to electrical appliance.Certainly, this situation is very rare.
Be not subjected to the influence of electrical appliance for the work that makes said power supply box; can increase by one group of overcurrent protective device at the output of said power supply box; this overcurrent protective device comprises a total overcurrent protector and several minutes overcurrent protector; several minutes, overcurrent protector was connected with separately electrical appliance respectively; be serially connected with total overcurrent protector simultaneously; total overcurrent protector is connected with the output of power supply box, and the rated current total amount of branch overcurrent protector should be less than total overcurrent protector rated current amount.Therefore, when a certain electrical appliance excess electricity consumption, coupled branch overcurrent protector is disconnected, thereby do not influence the work of other electrical appliances.
Below will be described in more detail the utility model by accompanying drawing.
Fig. 1 is the fundamental diagram of the power supply box of DFY-1110 for model.
Fig. 2 is the winding diagram of the said power supply box of the utility model.
As seen from Figure 1; power supply box comprises reset button 12, power transformer 10, relay circuit 13, under-voltage protecting circuit 14, overvoltage crowbar 15, current rectifying and wave filtering circuit 16, integrated computing amplification voltage stabilizing circuit 17 and operating state indicating circuit 11 etc.; relay comprises first normally closed switch 18 and second normally closed switch 19; contact 7,8 and 9 is respectively three contacts of first normally closed switch 18, and contact 5 and 6 is respectively two contacts of second normally closed switch 19.
During the power supply box operate as normal, contact 5 and interface 4 output DCs, contact 5 is anodal, interface 4 is a negative pole.Earth connection is an interface 3.
When output voltage is lower than the undervoltage warning set point, relay electric-loss, contact 5 is cut off, contact 5 no-outputs, power supply box is in alarm condition, by contact 9 output alarm signals;
When output voltage is higher than the over voltage alarm set point, relay electric-loss, contact 5 is cut off, contact 5 no-outputs, power supply box is in alarm condition, by contact 9 output alarm signals.
Fault need be pressed reset button 12 after eliminating, and power supply box is resumed work.
Fig. 2 is the winding diagram of the said complementary operated type instrument power case of the utility model.Said power supply box comprises two above-mentioned sub-power supply boxs of major-minor, and boss's power supply box 20 is the working power case, and secondary sub-power supply box 21 is stand-by power supply case, no power at ordinary times;
With the 12 whole short circuits of the reset button on two sub-power supply boxs, like this, run into electrical network moment jumping electricity, moment can make sub-power supply box automatically reset after powering on, resume work, and need not be by reset button 12;
The contact 8 of first normally closed switch 18 of the relay of boss's power supply box 20 is connected with the line interface mutually 1 of boss's power supply box 20, and the contact 7 of first normally closed switch 18 is connected with the line interface mutually 101 of secondary sub-power supply box 21; The line interface in addition of major and minor sub-power supply box is respectively 2 and 102, and interconnects;
The contact 6 of second normally closed switch 19 of the relay of boss's power supply box 20 is connected with the contact 105 of second normally closed switch 119 of the relay of secondary sub-power supply box 21, and the negative output terminal interface 4 of boss's power supply box 20 is connected with the negative output terminal interface 104 of secondary sub-power supply box 21; Contact 5 is anodal;
First normally closed switch 118 of the relay of secondary sub-power supply box 21 does not connect, and can be used as backup circuit breaker.
For making said power supply box more safe and reliable, can behind the sub-power supply box 21 of pair, a storage battery 22 be set again, the positive pole of this storage battery 22 is connected with the contact 106 of second normally closed switch 119 of secondary sub-power supply box 21 relays, negative pole is connected with the negative output terminal interface 104 of secondary sub-power supply box 21, under normal circumstances, storage battery 22 is not worked, be not communicated with electrical appliance, when the sub-power supply box of major-minor all breaks down, relay disconnects, when not powering, storage battery 22 can be by second normally closed switch of secondary sub-power supply box 21, second normally closed switch 19 of boss's power supply box 20 is powered to electrical appliance.
Be not subjected to the influence of electrical appliance for the work that makes said power supply box; can increase by one group of overcurrent protective device 23 at the output of boss's power supply box 20; this overcurrent protective device 23 comprise a total overcurrent protector 25 and several minutes overcurrent protector 24; several minutes overcurrent protector 24 respectively with separately electrical appliance to being connected; be serially connected with total overcurrent protector 25 simultaneously; total overcurrent protector 25 is connected with the output interface 5 of boss's power supply box 20, and the rated current total amount of branch overcurrent protector 24 should be less than total overcurrent protector 25 rated current amounts.Therefore, when a certain electrical appliance excess electricity consumption, coupled branch overcurrent protector 25 is disconnected, thereby do not influence the work of other electrical appliances.
This power supply box is performed such operation:
During 20 work of boss's power supply box, the relay adhesive, first normally closed switch 18 disconnects, phase line input end interface 101 non-transformers of secondary sub-power supply box 21, therefore, secondary sub-power supply box 21 is not worked, and electrical appliance is by 20 power supplies of boss's power supply box; When boss's power supply box 20 breaks down, its relay disconnects, its first normally closed switch 18 and second normally closed switch 19 are all connected, at this moment, the power supply phase line is connected with the line interface mutually 101 of secondary sub-power supply box 21 by first normally closed switch 18 of boss's power supply box 20, the relay of secondary sub-power supply box 21 gets electric adhesive, and secondary sub-power supply box 21 is started working, and powers to electrical appliance; When the sub-power supply box 21 of pair also breaks down, then power to electrical appliance by second normally closed switch 119 of secondary sub-power supply box 21, second normally closed switch 19 of boss's power supply box 20 by storage battery 22.
By above-mentioned disclosed technical scheme as seen, the utility model has overcome the prior art shortcoming that can not be continuously can not automatically reset after electrical appliance power supply and outage, also overcome simultaneously the shortcoming that causes whole power supply box paralysis because of a certain electrical appliance electricity consumption is excessive, for the automatic control of system provides reliable assurance.
Claims (4)
1. complementary operated type instrument power case, it is characterized in that this power supply box comprises major and minor two sub-power supply box (20) and (21) that comprise reset button (12), power transformer (10), relay circuit (13), under-voltage protecting circuit (14), overvoltage crowbar (15), current rectifying and wave filtering circuit (16) and integrated computing amplification voltage stabilizing circuit (17);
Reset button (12) on two sub-power supply boxs is a short circuit;
The contact (8) of first normally closed switch (18) of the relay of boss's power supply box (20) is connected with the line interface mutually (1) of boss's power supply box (20), and the contact (7) of first normally closed switch (18) is connected with the line interface mutually (101) of secondary sub-power supply box (21);
The contact (6) of second normally closed switch (19) of the relay of boss's power supply box (20) is connected with the contact (105) of second normally closed switch of the relay of secondary sub-power supply box (21), and the negative output terminal interface (4) of boss's power supply box (20) is connected with the negative output terminal interface (104) of secondary sub-power supply box (21);
The line interface in addition of major and minor sub-power supply box is (2) and (102), and interface (2) is connected with (102);
The positive output interface of boss's power supply box (20) is contact (5).
2. power supply box as claimed in claim 1, it is characterized in that, this power supply box comprises a storage battery (22), the positive pole of this storage battery (22) is connected with the contact (106) of second normally closed switch (119) of the relay of secondary sub-power supply box (21), and negative pole is connected with the negative output interface (104) of secondary sub-power supply box (21).
3. power supply box as claimed in claim 1; it is characterized in that; this power supply box comprises one group of overcurrent protective device (23); this overcurrent protective device (23) comprises a total overcurrent protector (25) and several minutes overcurrent protectors (24); several minutes overcurrent protectors (24) respectively with separately electrical appliance to being connected; be serially connected with total overcurrent protector (25) simultaneously; total overcurrent protector (25) is connected with the output interface (5) of boss's power supply box (20), and the rated current total amount of dividing overcurrent protector (24) is less than total overcurrent protector (24) rated current amount.
4. power supply box as claimed in claim 2; it is characterized in that; this power supply box comprises one group of overcurrent protective device (23); this overcurrent protective device (23) comprises a total overcurrent protector (25) and several minutes overcurrent protectors (24); several minutes overcurrent protectors (24) respectively with separately electrical appliance to being connected; be serially connected with total overcurrent protector (25) simultaneously; total overcurrent protector (25) is connected with the output interface (5) of boss's power supply box (20), and the rated current total amount of dividing overcurrent protector (24) is less than total overcurrent protector (24) rated current amount.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00217534 CN2420774Y (en) | 2000-05-09 | 2000-05-09 | Complementary power supply type instrument power box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00217534 CN2420774Y (en) | 2000-05-09 | 2000-05-09 | Complementary power supply type instrument power box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2420774Y true CN2420774Y (en) | 2001-02-21 |
Family
ID=33583065
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00217534 Expired - Lifetime CN2420774Y (en) | 2000-05-09 | 2000-05-09 | Complementary power supply type instrument power box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2420774Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104979144A (en) * | 2014-04-11 | 2015-10-14 | 铜仁市万山区顺宇电气有限公司 | Relay switch |
-
2000
- 2000-05-09 CN CN 00217534 patent/CN2420774Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104979144A (en) * | 2014-04-11 | 2015-10-14 | 铜仁市万山区顺宇电气有限公司 | Relay switch |
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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: BAOSHAN IRON & STEEL CO., LTD. Free format text: FORMER OWNER: YICHANG SHEET CO., LTD., SHANGHAI BAOSHAN IRON +. STEEL CORP. Effective date: 20040514 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20040514 Address after: 201900, Fujin Road, Shanghai, Baoshan District orchard Patentee after: Baoshan Iron & Steel Co., Ltd. Address before: 200431 No. 2288 Yang Nan Road, Shanghai Patentee before: Yichang Sheet Co., Ltd., Shanghai Baoshan Iron &. Steel Corp. |
|
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20010221 |