CN206892292U - A kind of batteries main fuse fusing and open circuit detecting device - Google Patents

A kind of batteries main fuse fusing and open circuit detecting device Download PDF

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Publication number
CN206892292U
CN206892292U CN201720748846.2U CN201720748846U CN206892292U CN 206892292 U CN206892292 U CN 206892292U CN 201720748846 U CN201720748846 U CN 201720748846U CN 206892292 U CN206892292 U CN 206892292U
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China
Prior art keywords
batteries
voltage
detecting
fuse
main fuse
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CN201720748846.2U
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Chinese (zh)
Inventor
王志华
陈基顺
王龙
王一龙
王建勇
殷小宁
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Zhuhai Power Supply Bureau of Guangdong Power Grid Co Ltd
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Zhuhai Power Supply Bureau of Guangdong Power Grid Co Ltd
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Abstract

Battery technology field is the utility model is related to, more particularly, to a kind of fusing of batteries main fuse and open circuit detecting device.By using device described in the utility model, battery condition in transformer station can be monitored, when battery departs from bus, quick detection and judged result, produce alarm signal, facilitate staff to be overhauled, ensure the safety of transformer station's stand-by power supply.

Description

A kind of batteries main fuse fusing and open circuit detecting device
Technical field
The utility model is related to battery technology field, more particularly, to a kind of batteries main fuse fusing and Open circuit detecting device.
Background technology
In the operating batteries of power system transformer substation, easily there is the failure that battery departs from bus, this Failure frequently went out the state for causing batteries back-up source is out of control, the problem of monitoring dead band occurs in detecting system in recent years Existing such accident.In the prior art, there is the detection means to battery-operated state, but be not mainly for battery The detection of main fuse and open-circuit condition, the state-detection of fuse turn into check frequency.Therefore need to design a kind of battery Group main fuse and open circuit detecting device, it is applied directly to the stable safe operation field of power network.
Utility model content
The utility model is to overcome at least one defect described in above-mentioned prior art, there is provided a kind of batteries main molten is broken The detection means of device state and open-circuit condition, improve the safety and reliability of transformer station's power supply, it is ensured that the stabilization and peace of power network Entirely.
In order to solve the above technical problems, present invention employs following technical scheme:
A kind of batteries main fuse fusing and open circuit detecting device, including electrical parameter arrangement for detecting and control logic Device, control logic device are connected with electrical parameter arrangement for detecting;Electrical parameter arrangement for detecting connects for detecting batteries Enter the voltage of main fuse both sides and the loop current of batteries of bus;Control logic device is detected according to electrical parameter and filled Put the voltage detected and loop current judges whether the fusing of batteries main fuse and batteries open circuit occur and export Alarm signal.
Further, the electrical parameter arrangement for detecting, which is set, includes voltage check device and current sensing means, voltage Detection means is used to detect the voltage between the test point of each main fuse both sides of batteries access bus;Current detecting Device is used for the loop current for detecting batteries.
Further, when the main fuse of batteries access bus includes positive pole fuse and negative pole fuse, electricity Pressure detection means is provided with four voltage detecting interfaces, connects respectively with positive pole fuse and the test point of negative pole fuse both sides Connect.The voltage parameter detected includes:
First voltage:Between the test point of positive pole fuse bus side and the test point of negative pole fuse bus side Voltage;
Second voltage:The test point of positive pole fuse battery side and the test point of negative pole fuse battery side it Between voltage;
Tertiary voltage:Between the test point of positive pole fuse bus side and the test point of negative pole fuse battery side Voltage;
4th voltage:Between the test point of positive pole fuse battery side and the test point of negative pole fuse bus side Voltage;
5th voltage:Between the test point of positive pole fuse bus side and the test point of positive pole fuse battery side Voltage;
6th voltage:Between the test point of negative pole fuse bus side and the test point of negative pole fuse battery side Voltage.
Further, the control logic device includes multigroup warning device, be respectively used to warn main fuse fusing or Batteries open-circuit condition.The warning device is to be connected to no source contact without source contact and site instructions lamp, site instructions lamp On, the bright light color of the site instructions lamp per group alarm device is different.
After electrical parameter arrangement for detecting sends the voltage and current parameter detected to control logic device, control Logic device compares stream according to set voltage comparative quantity and electric current and battery fuse or open-circuit condition is judged, sentences Disconnected mode is as follows:
Voltage comparative quantity includes rated voltage and mutation voltage amount, and electric current comparative quantity includes current threshold.
(1)First voltage is equal with second voltage and equal with the 4th voltage equal to the rated voltage and tertiary voltage set And during equal to zero, it is judged as that batteries main fuse is normal and does not have open-circuit condition;
(2)First voltage and second voltage be unequal and difference is more than Sudden Changing Rate, tertiary voltage not equal to zero and with first Voltage and three voltages of the 5th voltage are equal, the 4th voltage is zero, second voltage is equal with the 6th voltage, above-mentioned four groups of conditions When meeting simultaneously, it is judged as batteries positive terminal fuse blows;
(3)First voltage and second voltage be unequal and difference is more than Sudden Changing Rate, the 4th voltage not equal to zero and with first Voltage and three voltages of the 6th voltage are equal, tertiary voltage zero, second voltage are equal with the 5th voltage, above-mentioned four groups of conditions When meeting simultaneously, it is judged as batteries negative pole end fuse blows;
(4)First voltage is equal with second voltage and equal with the 4th voltage equal to the rated voltage, tertiary voltage set And it is less than current threshold equal to the zero, loop current, above-mentioned three groups of conditions meet simultaneously when, it is judged as that batteries main molten is broken Device is normal but batteries in have open circuit.
After judging fuse state or open-circuit condition, start the warning device in control logic device, open the state The corresponding group alarm device, staff is reminded to carry out repair and maintenance.
Compared with prior art, beneficial effect is:Provide a kind of detection batteries main fuse fusing and open circuit shape The device of state, simplifies detecting step, it is not necessary to manually each detection voltage is detected, by detection means and each electrical measurement After point connects, just start in real time to detect the fusing of batteries main fuse and open-circuit condition and directly feed back result On the warning device being connected without source contact with site instructions lamp, be advantageous to the maintenance to batteries.
Brief description of the drawings
Fig. 1 is the use schematic diagram of the fusing of batteries main fuse and open circuit detecting device.
Fig. 2 is the flow chart of the fusing of batteries main fuse and open circuit detecting device detection.
Embodiment
The present invention is described further below in conjunction with the accompanying drawings:
As shown in Figure 1 and Figure 2, the fusing of batteries main fuse and open circuit detecting device include electrical parameter arrangement for detecting With control logic device, control logic device is connected with electrical parameter arrangement for detecting;Electrical parameter arrangement for detecting includes voltage Detection means and current sensing means, voltage check device include four voltage detecting interfaces, four voltage detecting interface difference Positive pole fuse and the test point of negative pole fuse both sides are connected, current detecting interface link circuit current detecting point, is examined respectively Survey the voltage of main fuse both sides and the loop current of batteries of batteries access bus;Control logic device is according to electricity The voltage and loop current that amount parameter arrangement for detecting detects judge that the fusing of batteries main fuse and batteries open circuit are It is no that simultaneously output alarm signal occurs, it is also equipped with three pairs of alarms being connected without source contact with site instructions lamp on control logic device Device, the bright light color of three site instructions lamps is different, represents positive pole fuse blows, negative pole fuse blows and fusing respectively Three kinds of states of open circuit occur outside device.
In detection, its testing process is as follows:
First electrical parameter arrangement for detecting detecting batteries access bus each main fuse both sides test point it Between voltage parameter and battery loop current parameter;Control logic device detected according to electrical parameter arrangement for detecting first Voltage judges batteries positive pole fuse blows, negative pole fuse blows and electric power storage to the 6th voltage parameter and current parameters Whether group other parts open circuit in addition to fuse in pond occurs, and in batteries positive pole fuse blows or negative pole fuse blows Or batteries export warning message in addition to fuse after other parts open circuit occurs.
Wherein, electrical parameter arrangement for detecting is used for the voltage regulation one for detecting the main fuse both sides of batteries access bus For voltage to the value of the 6th voltage and the loop current of batteries, first voltage is the test point A1 of positive pole fuse bus side Voltage between the test point B1 of negative pole fuse bus side;Second voltage is the detection of positive pole fuse battery side Voltage between point A2 and the test point B2 of negative pole fuse battery side;Tertiary voltage is positive pole fuse bus side Voltage between test point A1 and the test point B2 of negative pole fuse battery side;4th voltage is positive pole fuse battery Voltage between the test point A2 of side and the test point B1 of negative pole fuse bus side;5th voltage is that positive pole fuse is female Voltage between the test point A1 of line side and the test point A2 of positive pole fuse battery side;6th voltage fuses for negative pole Voltage between the test point B1 of device bus side and the test point B2 of negative pole fuse battery side.
The voltage and loop current that control logic device detects according to electrical parameter arrangement for detecting judge batteries master Whether fuse blows and batteries open circuit occur simultaneously output alarm signal.Specifically determination methods are:First according to battery Group parameter setting rated voltage, mutation voltage amount and current threshold, are compared to electric current and voltage afterwards:
First voltage it is equal with second voltage and equal to set rated voltage and tertiary voltage it is equal with the 4th voltage and During equal to zero, it is judged as that batteries main fuse is normal and does not have open-circuit condition;
First voltage is unequal with second voltage and difference is more than Sudden Changing Rate, tertiary voltage is not equal to zero and and first voltage , fourth voltage equal with three voltages of the 5th voltage is zero, second voltage is equal with the 6th voltage, and above-mentioned four groups of conditions are simultaneously When meeting, it is judged as batteries positive terminal fuse blows;
First voltage is unequal with second voltage and difference is more than Sudden Changing Rate, the 4th voltage is not equal to zero and and first voltage , tertiary voltage zero equal with three voltages of the 6th voltage, second voltage are equal with the 5th voltage, and above-mentioned four groups of conditions are simultaneously When meeting, it is judged as batteries negative pole end fuse blows;
First voltage is equal with second voltage and is equal to the rated voltage set, tertiary voltage is equal with the 4th voltage and waits It is less than current threshold in the zero, loop current, above-mentioned three groups of conditions meet simultaneously when, is being judged as batteries main fuse just Often but in batteries there is open circuit.
Obviously, above-described embodiment of the present utility model is only intended to clearly illustrate the utility model example, and It is not the restriction to embodiment of the present utility model.For those of ordinary skill in the field, in described above On the basis of can also make other changes in different forms.There is no need and unable to give all embodiments It is exhaustive.All made within spirit of the present utility model and principle all any modification, equivalent and improvement etc., should be included in Within the protection domain of the utility model claims.

Claims (6)

1. a kind of batteries main fuse fusing and open circuit detecting device, it is characterised in that:Including electrical parameter arrangement for detecting With control logic device, control logic device is connected with electrical parameter arrangement for detecting;Electrical parameter arrangement for detecting is used to detect Batteries access the voltage of main fuse both sides and the loop current of batteries of bus;Control logic device is according to electricity The voltage and loop current that parameter arrangement for detecting detects judge whether the fusing of batteries main fuse and batteries open a way Simultaneously output alarm signal occurs.
2. a kind of batteries main fuse fusing and open circuit detecting device according to claim 1, it is characterised in that:It is described Electrical parameter arrangement for detecting includes voltage check device and current sensing means, and voltage check device connects for detecting batteries Enter the voltage between the test point of each main fuse both sides of bus;Current sensing means is used for the loop for detecting batteries Electric current.
3. a kind of batteries main fuse fusing and open circuit detecting device according to claim 2, it is characterised in that:Storing When the main fuse of battery pack access bus includes positive pole fuse and negative pole fuse, voltage check device is provided with four electricity Pressure detects interface, and the test point with positive pole fuse and negative pole fuse both sides is connected respectively.
4. a kind of batteries main fuse fusing and open circuit detecting device according to claim 1, it is characterised in that:It is described Control logic device includes multigroup warning device, is respectively used to warn main fuse fusing or batteries open-circuit condition.
5. a kind of batteries main fuse fusing and open circuit detecting device according to claim 4, it is characterised in that:It is described Warning device is to be connected to without source contact and site instructions lamp, site instructions lamp on no source contact.
6. a kind of batteries main fuse fusing and open circuit detecting device according to claim 5, it is characterised in that:It is described Differed per the bright light color of the site instructions lamp of group alarm device in multigroup warning device.
CN201720748846.2U 2017-06-26 2017-06-26 A kind of batteries main fuse fusing and open circuit detecting device Active CN206892292U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720748846.2U CN206892292U (en) 2017-06-26 2017-06-26 A kind of batteries main fuse fusing and open circuit detecting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720748846.2U CN206892292U (en) 2017-06-26 2017-06-26 A kind of batteries main fuse fusing and open circuit detecting device

Publications (1)

Publication Number Publication Date
CN206892292U true CN206892292U (en) 2018-01-16

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109596880A (en) * 2018-11-28 2019-04-09 国家电网有限公司 One kind being based on substation's alternating current-direct current down Monitor Unit system and monitoring method
CN110058118A (en) * 2019-04-18 2019-07-26 肇庆理士电源技术有限公司 A kind of lead type battery insurance detection system
CN110797934A (en) * 2019-10-10 2020-02-14 西安华为技术有限公司 Monitoring battery fuse circuit and power supply system
CN110797934B (en) * 2019-10-10 2022-06-10 华为数字能源技术有限公司 Monitoring battery fuse circuit and power supply system

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109596880A (en) * 2018-11-28 2019-04-09 国家电网有限公司 One kind being based on substation's alternating current-direct current down Monitor Unit system and monitoring method
CN110058118A (en) * 2019-04-18 2019-07-26 肇庆理士电源技术有限公司 A kind of lead type battery insurance detection system
CN110797934A (en) * 2019-10-10 2020-02-14 西安华为技术有限公司 Monitoring battery fuse circuit and power supply system
CN110797934B (en) * 2019-10-10 2022-06-10 华为数字能源技术有限公司 Monitoring battery fuse circuit and power supply system

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