CN216848070U - Storage battery test circuit without distinguishing positive electrode and negative electrode and device thereof - Google Patents
Storage battery test circuit without distinguishing positive electrode and negative electrode and device thereof Download PDFInfo
- Publication number
- CN216848070U CN216848070U CN202123046910.8U CN202123046910U CN216848070U CN 216848070 U CN216848070 U CN 216848070U CN 202123046910 U CN202123046910 U CN 202123046910U CN 216848070 U CN216848070 U CN 216848070U
- Authority
- CN
- China
- Prior art keywords
- diode
- battery
- positive
- negative
- direct current
- 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.)
- Active
Links
Images
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model discloses a need not to distinguish positive negative pole's battery test circuit and device thereof, including being used for connecting the detection pen-shape metre of battery just/negative pole in the circuit to and be used for showing the direct current gauge outfit of electric quantity, be provided with a diode rectifier bridge circuit among the battery test circuit, detect the pen-shape metre cross-over connection at the input of diode rectifier bridge circuit, direct current gauge outfit cross-over connection is at the output of diode rectifier bridge circuit, be provided with this test circuit who need not to distinguish positive negative pole in battery test device. The utility model discloses the beneficial technological effect who possesses is: regardless of the placement of the positive and negative meter pens, the positive electrode of the battery can be sent to the positive electrode of the direct current meter head, and the negative electrode of the battery is transmitted to the negative electrode of the direct current meter head. The automatic measurement switching function is realized, the time for distinguishing the anode and the cathode of the storage battery is reduced, and the testing efficiency is improved.
Description
Technical Field
The utility model relates to a battery test circuit and device thereof especially relate to a need not to distinguish battery test circuit and device of positive negative pole.
Background
For the mainstream lead-acid storage battery, due to the mature technology, the use safety is superior to that of other novel batteries, the use is very wide, and the lead-acid storage battery is particularly used as the last defense line for communication guarantee power supply in various communication industries. How to judge the performance of the storage battery rapidly, accurately and intuitively is a problem directly concerned by the majority of storage battery users. Various instruments for measuring storage batteries in the current market are various in variety, and the market price is from dozens of yuan to tens of thousands of yuan according to different test functions, so that the cost performance cannot be measured. But all have the same end purpose for determining the state of performance of the battery.
The hand-held storage battery discharge tester has the advantages of being small, exquisite, convenient and visual through repeated testing and comparison by a maintenance user. Compared with other professional instruments which are high in price and can test the internal resistance of the storage battery, the instrument is designed, the test data are used as the reference, the short-time 'training' discharge is carried out, the user can intuitively and quickly judge the performance states of the single 2V, 6V and 12V lead-acid storage batteries, and the practicability is higher.
However, the only disadvantage of the handheld storage battery electric meter in use is that the positive and negative electrodes of the storage battery must be distinguished in the measurement process, which is especially prominent for some storage battery cells with unclear polarity marks, and the prior art has no solution to the problem and cannot meet the requirements of people.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a battery test circuit and device thereof, the not enough of prior art has carried out the improvement of nonpolarity test method, need not distinguish the battery positive negative pole in the test procedure, can discharge the test to battery cell at will, and the short-term judgement battery discharge capacity solves the shortcoming regret that prior art exists.
The utility model discloses a following technical scheme realizes:
a storage battery test circuit without distinguishing positive and negative electrodes comprises a detection meter pen for connecting the positive/negative electrodes of a storage battery and a direct current meter head for displaying electric quantity.
Further, the diode rectifier bridge circuit comprises a first diode, a second diode, a third diode, a fourth diode, a first resistor, a first meter pen and a second meter pen, wherein:
the negative pole of the first diode is connected with one end of the first resistor, the other end of the first resistor is connected with the positive pole of the direct current meter head, the positive pole of the first diode is connected with the negative pole of the second diode, the positive pole of the second diode is connected with the negative pole of the direct current meter head, the negative pole of the third diode is connected with one end of the first resistor, the other end of the first resistor is connected with the positive pole of the direct current meter head, the positive pole of the third diode is connected with the negative pole of the fourth diode, the positive pole of the fourth diode is connected with the negative pole of the second diode, the first meter pen is connected between the first diode and the second diode, and the second meter pen is connected between the third diode and the fourth diode.
Furthermore, a test switch and a discharge resistor are connected in series between the two meter pens of the circuit.
The storage battery device without distinguishing the positive electrode and the negative electrode is characterized in that a storage battery test circuit is applied to the storage battery device without distinguishing the positive electrode and the negative electrode.
The utility model discloses the beneficial technological effect who possesses is: regardless of the placement of the positive and negative meter pens, the positive electrode of the battery can be sent to the positive electrode of the direct current meter head, and the negative electrode of the battery is transmitted to the negative electrode of the direct current meter head. The automatic measurement switching function is realized, the time for distinguishing the anode and the cathode of the storage battery is reduced, and the testing efficiency is improved.
Drawings
FIG. 1 is a schematic diagram of a prior art battery test circuit.
Fig. 2 is the utility model discloses need not to distinguish the schematic diagram of the battery test circuit of positive negative pole.
Fig. 3 is a schematic diagram of the improved pre-tester wiring necessary to distinguish between positive and negative electrodes.
Fig. 4 is a schematic diagram of the improved post-tester wiring without distinguishing between positive and negative electrodes.
Detailed Description
The following description of the embodiments will help the public to understand the present invention, but the specific embodiments given by the applicant should not be considered as limiting the technical solution of the present invention, and any changes in the definition of the components or technical features and/or in the form of the overall structure rather than substantial changes should be considered as the protection scope defined by the technical solution of the present invention.
As shown in fig. 1 and 2, the main idea of the present invention is to provide a battery test circuit without distinguishing positive and negative electrodes, wherein the circuit includes a detection pen-shape meter for connecting the positive/negative electrodes of the battery, and a dc meter head for displaying the electric quantity, a diode rectifier bridge circuit is provided in the battery test circuit, the detection pen-shape meter is bridged at the input end of the diode rectifier bridge circuit, and the dc meter head is bridged at the output end of the diode rectifier bridge circuit. In the prior art, a rectifier bridge circuit is used to convert alternating current into direct current for supplying power to an electrical device. As shown in fig. 1, before improvement, because the dc meter head has a positive electrode and a negative electrode, the positive electrode of the dc meter head must be connected to the positive electrode of the battery, and the negative electrode of the dc meter head must be connected to the negative electrode of the battery, so that it can be ensured that the pointer of the dc meter head deflects in a correct manner, and therefore, the positive electrode of the test meter pen must be connected to the positive electrode of the battery, and the negative electrode of the test meter pen must be connected to the negative electrode of the battery, which increases the difficulty of measurement, increases the work of additionally judging the positive and negative electrodes of the battery, and reduces the work efficiency. And the utility model discloses in, owing to increased diode rectifier circuit, can utilize diode forward to switch on, reverse characteristic that ends, directly send the positive pole of direct current gauge outfit to through the test pen-shape metre with the positive pole of battery, or directly send the negative pole of direct current gauge outfit to through the test pen-shape metre with the negative pole of battery, no matter how first pen-shape metre A or second pen-shape metre B place like this, can both correctly connect the positive negative pole of battery and direct current gauge outfit, realized measuring automatic switch-over function. The technical personnel in the field can also develop a device using the battery test circuit according to the general technical knowledge in the field that self masters on the basis of the battery test circuit disclosed by the utility model, namely, a battery test device without distinguishing the positive and negative electrodes.
In the embodiment, the TY6402 handheld storage battery discharge tester is improved, the storage battery is GFM100-12, and the original TY6402 handheld storage battery discharge tester has the characteristics of small size, convenience and intuition after multiple tests by a maintenance user. Compared with other professional instruments which are high in price and can test the internal resistance of the storage battery, the instrument is designed, the test data are used as the reference, the short-time 'training' discharge is carried out, the user can intuitively and quickly judge the performance states of the single 2V, 6V and 12V lead-acid storage batteries, and the practicability is higher. The meter has the only disadvantage that the positive and negative electrodes of the storage battery must be distinguished in the measurement process, which is particularly obvious when testing some storage battery cells with unclear polarity marks.
As shown in fig. 2, the schematic diagram of the circuit for testing a storage battery without distinguishing the positive electrode and the negative electrode includes a first diode D1, a second diode D2, a third diode D3, a fourth diode D4, a first resistor R1, a discharge resistor R, a first meter pen a, and a second meter pen B, where: the cathode of a first diode D1 is connected with one end of a first resistor R1, the other end of the first resistor R1 is connected with the anode of a direct current meter head DC meter, the anode of the first diode D1 is connected with the cathode of a second diode D2, the anode of the second diode D2 is connected with the cathode of the direct current meter head DC meter, the cathode of a third diode D3 is connected with one end of a first resistor R1, the other end of the first resistor R1 is connected with the anode of the direct current meter head DC meter, the anode of a third diode D3 is connected with the cathode of a fourth diode D4, the anode of the fourth diode D4 is connected with the cathode of a second diode D2, a first meter pen A is connected between the first diode D1 and the second diode D2, and a second meter pen B is connected between the third diode D3 and the fourth diode D4. A TEST switch TEST and a discharge resistor R are connected in series between the first meter pen A and the second meter pen B, and the discharge resistor R is used for discharging and is connected in parallel with a device needing discharging.
As shown in fig. 1 to 4, the first meter pen a and the second meter pen B in fig. 1 need to distinguish polarities, and cannot be misconnected, otherwise, the correct value cannot be measured. In fig. 2, when the first stylus a contacts the positive electrode of the battery, the positive electrode voltage of the battery is transmitted to the positive electrode of the DC meter through the a stylus, the first diode D1, and the first resistor R1 according to the forward conduction and reverse blocking characteristics of the diode, and when the first stylus a contacts the negative electrode of the battery, the negative electrode voltage of the battery is transmitted to the negative electrode of the DC meter through the first stylus a and the second diode D2 according to the forward conduction and reverse blocking characteristics of the diode. Similarly, in the second stylus pen B, when the second stylus pen B contacts the positive electrode of the battery, the positive electrode voltage of the battery is transmitted to the positive electrode of the DC meter through the second stylus pen B, the third diode D3, and the first resistor R1 according to the characteristic that the diode is turned on in the forward direction and turned off in the reverse direction, and when the second stylus pen B contacts the negative electrode of the battery, the negative electrode voltage of the battery is transmitted to the negative electrode of the DC meter through the first stylus pen a and the fourth diode D4 according to the characteristic that the diode is turned on in the forward direction and turned off in the reverse direction. Because the rectifying circuit consisting of the four diodes and the resistor is added, the polarities of the first meter pen A and the second meter pen B do not need to be distinguished during testing, correct numerical values can be measured no matter how the storage battery is connected, the time for distinguishing the positive electrode and the negative electrode of the storage battery is reduced, and the testing efficiency is improved. On the basis of the battery test circuit of the present embodiment, a person skilled in the art can design a test device to be used for the battery test circuit by using his or her general technical knowledge in the art.
Of course, the present invention can have other various embodiments, and those skilled in the art can make various corresponding changes and modifications according to the present invention without departing from the spirit and the essence of the present invention, and these corresponding changes and modifications should fall within the protection scope of the appended claims.
Claims (4)
1. A storage battery test circuit without distinguishing positive and negative electrodes comprises a detection meter pen for connecting the positive/negative electrodes of a storage battery and a direct current meter head for displaying electric quantity.
2. The battery test circuit without distinguishing the positive electrode and the negative electrode of claim 1, wherein the diode rectifier bridge circuit comprises a first diode, a second diode, a third diode, a fourth diode, a first resistor, a first meter pen and a second meter pen, wherein:
the negative pole of the first diode is connected with one end of the first resistor, the other end of the first resistor is connected with the positive pole of the direct current meter head, the positive pole of the first diode is connected with the negative pole of the second diode, the positive pole of the second diode is connected with the negative pole of the direct current meter head, the negative pole of the third diode is connected with one end of the first resistor, the other end of the first resistor is connected with the positive pole of the direct current meter head, the positive pole of the third diode is connected with the negative pole of the fourth diode, the positive pole of the fourth diode is connected with the negative pole of the second diode, the first meter pen is connected between the first diode and the second diode, and the second meter pen is connected between the third diode and the fourth diode.
3. A battery test circuit without distinguishing positive and negative poles according to claim 1 or 2, characterized in that a test switch and a discharge resistor are connected in series between two meter pens of the circuit.
4. A battery device without distinguishing positive and negative electrodes, wherein the battery test circuit according to claim 1 or 2 is applied to the battery device without distinguishing positive and negative electrodes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123046910.8U CN216848070U (en) | 2021-12-06 | 2021-12-06 | Storage battery test circuit without distinguishing positive electrode and negative electrode and device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123046910.8U CN216848070U (en) | 2021-12-06 | 2021-12-06 | Storage battery test circuit without distinguishing positive electrode and negative electrode and device thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216848070U true CN216848070U (en) | 2022-06-28 |
Family
ID=82105822
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123046910.8U Active CN216848070U (en) | 2021-12-06 | 2021-12-06 | Storage battery test circuit without distinguishing positive electrode and negative electrode and device thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216848070U (en) |
-
2021
- 2021-12-06 CN CN202123046910.8U patent/CN216848070U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206990730U (en) | A kind of battery of electric vehicle positive-negative connected and detection circuit is not connect | |
| CN107093921B (en) | Intelligent charger with power failure detection function | |
| CN108181545A (en) | A kind of polarity test circuit for current transformer | |
| CN201364364Y (en) | Internal resistance tester | |
| CN108336809B (en) | Uninterruptible power system capable of detecting battery equilibrium state | |
| CN102375124A (en) | Battery capacity test device | |
| CN216848070U (en) | Storage battery test circuit without distinguishing positive electrode and negative electrode and device thereof | |
| CN109991504A (en) | A kind of Substation secondary circuit on-off measuring instrument | |
| CN205377333U (en) | Battery measurement circuit and razor and barbering device's drive circuit | |
| CN210109292U (en) | Battery pack voltage acquisition wire harness sequence detection system | |
| CN204374273U (en) | A kind of handheld digital secondary pressure plate measuring instrument | |
| CN207798930U (en) | Wireless DC electricity tester | |
| CN113533976A (en) | Comprehensive detection method and circuit for lithium battery pack | |
| CN107124025B (en) | Multi-battery quick charging and battery detection device and method for emergency lamp | |
| CN219957814U (en) | Battery test circuit | |
| CN221039236U (en) | Wire sequence resistance test circuit and wire sequence resistance tester of RJ25 connecting wire | |
| CN221650526U (en) | 6RA70 power unit rapid detection device | |
| CN218630027U (en) | Testing device for detecting active parallel type equalization function of battery management system | |
| CN213934147U (en) | Intelligent power supply residual life detection device | |
| CN110488137A (en) | A kind of apparatus and method detecting CT secondary circuit integrality | |
| CN215526082U (en) | Detection apparatus for dry battery box connector | |
| CN110187186A (en) | A kind of modified segmentation circuit resistance tester | |
| CN202837511U (en) | Lithium battery voltage separate detection device | |
| CN211348572U (en) | Multi-string battery performance debugging tool | |
| CN213275918U (en) | Mini-type subscriber line checking and testing tool for communication |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |