CN208140895U - A kind of substation's high resistant acquisition lead-acid accumulator voltage test device - Google Patents
A kind of substation's high resistant acquisition lead-acid accumulator voltage test device Download PDFInfo
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- CN208140895U CN208140895U CN201820625653.2U CN201820625653U CN208140895U CN 208140895 U CN208140895 U CN 208140895U CN 201820625653 U CN201820625653 U CN 201820625653U CN 208140895 U CN208140895 U CN 208140895U
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- test device
- acid accumulator
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- voltage test
- high resistant
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Abstract
The utility model relates to ice storing time technical fields, acquire lead-acid accumulator voltage test device more particularly, to a kind of substation high resistant.Including control processor, photoelectric isolating circuit, A/D conversion circuit, differential amplifier circuit and the passive filter circuit being sequentially connected electrically, the passive filter circuit is connected to tested battery the two poles of the earth by high-ohmic resistor.Fixed valve-control sealed lead acid battery voltage can be accurately measured according to standard.
Description
Technical field
The utility model relates to ice storing time technical fields, acquire lead more particularly, to a kind of substation high resistant
Acid accumulator voltage test device.
Background technique
All DC power system is being used in many industrial circles and service field, such as telecommunications industry, network system, bank
And uninterruptible power system.And in DC power system and uninterruptible power system, battery group plays of crucial importance again
And indispensable role.Due to the direct reaction cell actual capacity of battery voltage value, the service performance of battery is determined.For
, there is various battery voltage test equipments and device in this.Industry puts into effect IEC60896-2 and GB/ certainly
Since T19638.2-2005 standard, but up to the present, due to the limitation of on-the-spot test condition, there are no one kind to meet the requirements,
Convenient for the equipment for carrying out automatic test to fixed valve-control sealed lead acid battery voltage.This becomes battery and develops wanted face
The major issue faced.
Summary of the invention
The utility model in order to overcome at least one of the drawbacks of the prior art described above, provides a kind of substation and is adopted with high resistant
Collect lead-acid accumulator voltage test device, fixed valve-control sealed lead acid battery voltage can be accurately measured according to standard.
In order to solve the above technical problems, the technical solution adopted in the utility model is：A kind of substation's high resistant acquisition lead
Acid accumulator voltage test device, including the control processor, photoelectric isolating circuit, A/D conversion circuit, difference being sequentially connected electrically
Amplifying circuit and passive filter circuit, the passive filter circuit are connected to tested battery the two poles of the earth by high-ohmic resistor.
The passive filter circuit that the present apparatus is electrically connected by high-ohmic resistor, weak voltage signals are filtered；By passive
The voltage signal of filter circuit, then signal enhanced processing is carried out through differential amplifier circuit；Amplified analog signal turns via A/D
Changing circuit conversion is digital signal；By the digital signal of photoelectric isolating circuit, completely by test source it is issuable interference with
Control processor is kept apart, and the analog-to-digital conversion mouth that digital signal is sent to control processor unit is converted to DC voltage value U.
Further, the high-ohmic resistor is the resistance that resistance value is greater than or equal to 10k Ω.Guarantee test long lead peace
Entirely；Battery cell is effectively isolated in group；Electric current microampere rank is tested, tested battery is not influenced, high resistant mainly plays protection
The effect of equipment.
It further, further include display screen, the display screen is electrically connected with control processor.For showing to the quilt
Survey the voltage of battery pack.
It further, further include for preset instructions to be arranged or draw voltage characteristic curve computer, the control
Processor and calculating mechatronics.Process of measurement can be set or visually express measurement result with figure line.
Compared with prior art, beneficial effect is：
1, the present apparatus can accurately measure fixed valve-control sealed lead acid battery voltage according to standard；
2, the present apparatus can visualize measurement structure, and have preferably man-machine interaction experience.
Detailed description of the invention
Fig. 1 is the utility model overall structure diagram.
Specific embodiment
The attached figures are only used for illustrative purposes and cannot be understood as limitating the patent；In order to better illustrate this embodiment, attached
Scheme certain components to have omission, zoom in or out, does not represent the size of actual product；To those skilled in the art,
The omitting of some known structures and their instructions in the attached drawings are understandable.Being given for example only property of positional relationship is described in attached drawing
Illustrate, should not be understood as the limitation to this patent.
As shown in Figure 1, a kind of substation acquires lead-acid accumulator voltage test device with high resistant, including what is be sequentially connected electrically
Control processor 1, photoelectric isolating circuit 2, A/D conversion circuit 3, differential amplifier circuit 4 and passive filter circuit 5, the nothing
Power filter 5 is connected to tested battery the two poles of the earth by high-ohmic resistor 6.
In the present embodiment, the high-ohmic resistor 6 is the resistance that resistance value is greater than or equal to 10k Ω.High resistant is mainly
To the effect of protection equipment.
It in the present embodiment, further include display screen, the display screen is electrically connected with control processor 1.For display pair
The voltage of the tested battery pack.
In the present embodiment, further include for be arranged preset instructions or draw voltage characteristic curve computer, it is described
Control processor 1 and calculating mechatronics.Process of measurement can be set or visually express measurement result with figure line.
The present apparatus is electrical by the passive filter circuit 5 that high-ohmic resistor 6 connects, by filtered voltage signal；By passive filter
The signal of wave circuit 5, then signal enhanced processing is carried out through differential amplifier circuit 4；Amplified analog signal converts electricity via A/D
3 digital signal of road；By the digital signal of photoelectric isolating circuit 2, the issuable interference of test source is handled with control completely
Device 1 is kept apart.
Obviously, the above embodiments of the present invention is merely examples for clearly illustrating the present invention, and
It is not limitations of the embodiments of the present invention.For those of ordinary skill in the art, in above description
On the basis of can also make other variations or changes in different ways.There is no need and unable to give all embodiments
Exhaustion.Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention etc., should be included in
Within the protection scope of the utility model claims.
Claims (4)
1. a kind of substation acquires lead-acid accumulator voltage test device with high resistant, which is characterized in that including what is be sequentially connected electrically
Control processor（1）, photoelectric isolating circuit（2）, A/D conversion circuit（3）, differential amplifier circuit（4）And passive filter circuit
（5）, the passive filter circuit（5）Pass through high-ohmic resistor（6）It is connected to tested battery the two poles of the earth.
2. a kind of substation according to claim 1 acquires lead-acid accumulator voltage test device with high resistant, feature exists
In the high-ohmic resistor（6）It is greater than or equal to the resistance of 10k Ω for resistance value.
3. a kind of substation according to claim 1 acquires lead-acid accumulator voltage test device with high resistant, feature exists
In, it further include display screen, the display screen and control processor（1）Electrical connection.
4. a kind of substation according to claim 1 acquires lead-acid accumulator voltage test device with high resistant, feature exists
In, further include for be arranged preset instructions or draw voltage characteristic curve computer, the control processor（1）With calculating
Mechatronics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820625653.2U CN208140895U (en) | 2018-04-28 | 2018-04-28 | A kind of substation's high resistant acquisition lead-acid accumulator voltage test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820625653.2U CN208140895U (en) | 2018-04-28 | 2018-04-28 | A kind of substation's high resistant acquisition lead-acid accumulator voltage test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208140895U true CN208140895U (en) | 2018-11-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820625653.2U Active CN208140895U (en) | 2018-04-28 | 2018-04-28 | A kind of substation's high resistant acquisition lead-acid accumulator voltage test device |
Country Status (1)
| Country | Link |
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| CN (1) | CN208140895U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110609242A (en) * | 2019-10-31 | 2019-12-24 | 安徽江淮汽车集团股份有限公司 | Monomer voltage acquisition circuit, method and device |
-
2018
- 2018-04-28 CN CN201820625653.2U patent/CN208140895U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110609242A (en) * | 2019-10-31 | 2019-12-24 | 安徽江淮汽车集团股份有限公司 | Monomer voltage acquisition circuit, method and device |
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