CN207134983U - The soft-start circuit of the public bus type equipment of lead-acid accumulator - Google Patents
The soft-start circuit of the public bus type equipment of lead-acid accumulator Download PDFInfo
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- CN207134983U CN207134983U CN201721124617.XU CN201721124617U CN207134983U CN 207134983 U CN207134983 U CN 207134983U CN 201721124617 U CN201721124617 U CN 201721124617U CN 207134983 U CN207134983 U CN 207134983U
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Abstract
This application discloses a kind of soft-start circuit of the public bus type equipment of lead-acid accumulator.The soft-start circuit of the public bus type equipment of the lead-acid accumulator, including three phase mains, primary cut-out, dry-type three-phase transformer, the primary of the dry-type three-phase transformer is connected to the three phase mains by the primary cut-out, the primary of the dry-type three-phase transformer is delta-connection, the first A.C. contactor is provided between the primary cut-out and the dry-type three-phase transformer, first A.C. contactor is parallel with two resistance, the secondary of the dry-type three-phase transformer is connected to the input of two three-phase commutation bridges, the secondary for stating dry-type three-phase transformer uses triangle and Y-connection, the output end of two three-phase commutation bridge forms a public direct-flow bus wire after being connected respectively by corresponding smoothing reactor, two resistance string is associated with the second A.C. contactor.The soft-start circuit cost of the public bus type equipment of this novel lead-acid storage battery is low, protection circuit.
Description
Technical field
The application is related to lead-acid storage battery production field, and more particularly to a kind of public bus type equipment of lead-acid accumulator is delayed
Start-up circuit.
Background technology
Battery is the battery that can repeatedly charge, discharge, and it is filled up generally by the use of the stereotype for filling up spongy lead as negative pole
The stereotype of brown lead oxide makees electrolyte as positive pole, and with dilute sulfuric acid.In charging, external dc power is typically connected in storage
Charged on battery, electric energy is changed into chemical energy and store；Electric energy discharges from battery during electric discharge.Battery has
Have the advantages that good invertibity, voltage characteristic are steady, service life is long, applied widely, power supply is convenient, safe and reliable.With
The fast development of modern industry, the Storage Battery Industry in China plays more and more important fundamental role, traffic to social development construction
The industry such as transport and telecommunication apparatus is increasing to battery demand, corresponding to require also more and more higher.And battery is melted into
Process is to influence a very important process procedure of accumulator quality, therefore, to the effective of battery chemical synthesis technology process
Control will directly influence the accumulator property and service life of production, and discharge and recharge power supply is the basic guarantor for determining chemical conversion quality
Card.So need to propose to improve.
Utility model content
The purpose of this utility model is the soft-start circuit for providing a kind of public bus type equipment of lead-acid accumulator, with gram
Take deficiency of the prior art.
To achieve the above object, the utility model provides following technical scheme：
The embodiment of the present application discloses a kind of soft-start circuit of the public bus type equipment of lead-acid accumulator, including three-phase electricity
Source, primary cut-out, dry-type three-phase transformer, the primary of the dry-type three-phase transformer are connected to by the primary cut-out
The three phase mains, the primary of the dry-type three-phase transformer is delta-connection, the primary cut-out and the 3-phase dry type
The first A.C. contactor is provided between transformer, first A.C. contactor is parallel with two resistance, the 3-phase dry type transformation
The secondary of device is connected to the input of two three-phase commutation bridges, and the secondary for stating dry-type three-phase transformer uses triangle
And Y-connection, the output end of two three-phase commutation bridge form a public direct after being connected respectively by corresponding smoothing reactor
Bus is flowed, two resistance string is associated with the second A.C. contactor.
Preferably, in the soft-start circuit of the above-mentioned public bus type equipment of lead-acid accumulator, first exchange connects
Tentaculum and the second A.C. contactor are connected to control panel.
Preferably, in the soft-start circuit of the above-mentioned public bus type equipment of lead-acid accumulator, the two resistance difference
For first resistor and second resistance, the first resistor is in series with switch.
Preferably, in the soft-start circuit of the above-mentioned public bus type equipment of lead-acid accumulator, the switch is normally closed
Switch.
Preferably, in the soft-start circuit of the above-mentioned public bus type equipment of lead-acid accumulator, two resistance is selected
Nickel filament coiling.
Compared with prior art, the utility model has the advantage of：The public bus type equipment of this novel lead-acid storage battery
Shoving when soft-start circuit can suppress primary cut-out closure, because public bus type equipment has very big capacitive load,
So needing soft-start circuit to provide a pre-charge process to secondary capacitive load, prevent from making the capacitive load in load
Into damage, while can direct hanging net operation.
Brief description of the drawings
, below will be to embodiment or existing in order to illustrate more clearly of the embodiment of the present application or technical scheme of the prior art
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments described in application, for those of ordinary skill in the art, on the premise of not paying creative work,
Other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 show the soft-start circuit of the public bus type equipment of lead-acid accumulator in the utility model specific embodiment
Circuit theory diagrams.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Detailed description, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole implementation
Example.Based on the embodiment in the utility model, those of ordinary skill in the art institute on the premise of creative work is not made
The every other embodiment obtained, belong to the scope of the utility model protection.
Join shown in Fig. 1, the soft-start circuit of the public bus type equipment of lead-acid accumulator in the present embodiment, including three-phase electricity
Source 10, primary cut-out 20, dry-type three-phase transformer 30, the primary of dry-type three-phase transformer 30 are connected by primary cut-out 20
Three phase mains 10 is connected to, the primary of dry-type three-phase transformer 30 is delta-connection, primary cut-out 20 and dry-type three-phase transformer
The first A.C. contactor 40 is provided between 30, the first A.C. contactor 40 is parallel with two resistance 50, dry-type three-phase transformer 30
Secondary is connected to the input of two three-phase commutation bridges 60, and the secondary of dry-type three-phase transformer 30 uses triangle and star
Connection, the output ends of two three-phase commutation bridges 60 form public direct current mother after being connected respectively by corresponding smoothing reactor 70
Line, two resistance 50 are in series with the second A.C. contactor 80.
In the technical scheme, the soft-start circuit of the public bus type equipment of this novel lead-acid storage battery can suppress height and break
Shoving when road device 20 closes, because public bus type equipment has very big capacitive load, soft-start circuit is needed to secondary
Level capacitive load provides a pre-charge process, prevents that the capacitive load in load is caused to damage.
Further, it (is picture in figure that the first A.C. contactor 40 and the second A.C. contactor 80, which are connected to control panel,
Go out).
In the technical scheme, the first A.C. contactor 40 and the second A.C. contactor 90 are connected to control panel (in figure
To draw), control panel is used for disconnection and the closure for controlling the first A.C. contactor 40 and the second A.C. contactor 90, has simultaneously
There is the function of delayed startup.
Further, two resistance 50 are respectively first resistor 51 and second resistance 52, and first resistor 51 is in series with switch 90.
In the technical scheme, two resistance 50 are respectively first resistor 51 and second resistance 52, and first resistor 51 is in series with out
90 are closed, is prevented because the damage of the contact of the second A.C. contactor 80 or load-reason cause two resistance 50 to burn.
Further, switch 90 is normally closed switch.
In the technical scheme, switch 90 is normally closed switch, and 90 are switched only when accident occur and is just disconnected, protective resistance
50。
Further, two resistance 50 select nickel filament coiling.
In the technical scheme, two resistance 50 select nickel filament coiling, and nickel filament has higher resistivity, surface oxidation-resistant
Property it is good, temperature level is high, and has higher intensity at high temperature, there is good processing characteristics and solderability.
Equipment Booting sequence：Primary cut-out 20 closes control panel and obtains electric, and control panel controls the second A.C. contactor by electricity
Resistance starts access circuit, so as to limit immediate current surge, controls the first A.C. contactor to obtain electric adhesive after control panel delay 1s,
The second A.C. contactor is disconnected after postponing 0.5s, and so as to which resistance be cut off from loop, normal power supply is able to this bus.
In summary, the soft-start circuit of the public bus type equipment of this novel lead-acid storage battery can suppress primary cut-out
Shoving during closure, because public bus type equipment has very big capacitive load, soft-start circuit is needed to secondary capacitive
Load provides a pre-charge process, prevents that the capacitive load in load is caused to damage.
It should be noted that herein, such as first and second or the like relational terms are used merely to a reality
Body or operation make a distinction with another entity or operation, and not necessarily require or imply and deposited between these entities or operation
In any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant are intended to
Nonexcludability includes, so that process, method, article or equipment including a series of elements not only will including those
Element, but also the other element including being not expressly set out, or it is this process, method, article or equipment also to include
Intrinsic key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that
Other identical element also be present in process, method, article or equipment including the key element.
Described above is only the embodiment of the application, it is noted that for the ordinary skill people of the art
For member, on the premise of the application principle is not departed from, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as the protection domain of the application.
Claims (5)
1. a kind of soft-start circuit of the public bus type equipment of lead-acid accumulator, it is characterised in that broken including three phase mains, height
Road device, dry-type three-phase transformer, the primary of the dry-type three-phase transformer are connected to the three-phase by the primary cut-out
Power supply, the primary of the dry-type three-phase transformer are delta-connection, the primary cut-out and the dry-type three-phase transformer it
Between be provided with the first A.C. contactor, first A.C. contactor is parallel with two resistance, the secondary of the dry-type three-phase transformer
The input of two three-phase commutation bridges is connected to, the secondary of the dry-type three-phase transformer is connected using triangle and star
Connecing, the output end of two three-phase commutation bridge forms a public direct-flow bus wire after being connected respectively by corresponding smoothing reactor,
Two resistance string is associated with the second A.C. contactor.
2. the soft-start circuit of the public bus type equipment of lead-acid accumulator according to claim 1, it is characterised in that：It is described
First A.C. contactor and the second A.C. contactor are connected to control panel.
3. the soft-start circuit of the public bus type equipment of lead-acid accumulator according to claim 1, it is characterised in that：It is described
Two resistance are respectively first resistor and second resistance, and the first resistor is in series with switch.
4. the soft-start circuit of the public bus type equipment of lead-acid accumulator according to claim 3, it is characterised in that：It is described
Switch as normally closed switch.
5. the soft-start circuit of the public bus type equipment of lead-acid accumulator according to claim 2, it is characterised in that：It is described
Two resistance select nickel filament coiling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721124617.XU CN207134983U (en) | 2017-09-04 | 2017-09-04 | The soft-start circuit of the public bus type equipment of lead-acid accumulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721124617.XU CN207134983U (en) | 2017-09-04 | 2017-09-04 | The soft-start circuit of the public bus type equipment of lead-acid accumulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207134983U true CN207134983U (en) | 2018-03-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721124617.XU Active CN207134983U (en) | 2017-09-04 | 2017-09-04 | The soft-start circuit of the public bus type equipment of lead-acid accumulator |
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| CN (1) | CN207134983U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107493011A (en) * | 2017-09-04 | 2017-12-19 | 张家港市泓溢电源科技有限公司 | The soft-start circuit of the public bus type equipment of lead-acid accumulator |
-
2017
- 2017-09-04 CN CN201721124617.XU patent/CN207134983U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107493011A (en) * | 2017-09-04 | 2017-12-19 | 张家港市泓溢电源科技有限公司 | The soft-start circuit of the public bus type equipment of lead-acid accumulator |
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