CN214427577U - Battery electromotive force measuring device - Google Patents
Battery electromotive force measuring device Download PDFInfo
- Publication number
- CN214427577U CN214427577U CN202120190233.8U CN202120190233U CN214427577U CN 214427577 U CN214427577 U CN 214427577U CN 202120190233 U CN202120190233 U CN 202120190233U CN 214427577 U CN214427577 U CN 214427577U
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- battery
- box body
- side wall
- electromotive force
- measuring device
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- 238000000034 method Methods 0.000 abstract description 5
- 238000009434 installation Methods 0.000 abstract description 2
- 230000002457 bidirectional effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000005259 measurement Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a battery electromotive force measuring device, which comprises a box body, wherein the lower side wall of the inner cavity of the box body is fixedly provided with a working battery, a slide wire resistor, a galvanometer, a two-way electric key, a standard battery and a battery to be measured, the right end of the two-way electric key is fixedly provided with a rotating rod, the upper end of the rotating rod is fixedly provided with a rotating block, the lower side wall of the inner cavity of the box body is uniformly and fixedly provided with a limit structure, the front side wall of the slide wire resistor is slidably provided with a movable contact, and the upper side wall of the box body is provided with a chute, the utility model can directly place the battery to be measured in the device through the structures of the box body, the working battery, the slide wire resistor, the galvanometer, the rotating rod, the two-way electric key, the limit structure, the standard battery, the battery to be measured and the sliding contact, and directly measure the battery to be measured due to the installation of the scale paper on the upper side of the box body, therefore, the whole measuring process is simpler and more convenient, and a large amount of time is saved.
Description
Technical Field
The utility model relates to a battery test technical field specifically is a battery electromotive force survey device.
Background
When the electromotive force of a battery is measured, a commonly used method is a cancellation method, but in practice, each test needs to be carried out by circuit connection of an electronic device, the test is troublesome, poor contact and other conditions are easy to occur during each connection, certain inconvenience is brought to the measurement of the electromotive force of the battery, certain inconvenience is brought to the acquisition of numerical values and calculation, if a device which can be directly used without circuit connection and is convenient for numerical value measurement can be designed, the problems can be solved, and therefore, the device for measuring the electromotive force of the battery is provided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a battery electromotive force survey device to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a battery electromotive force survey device, comprises a box bod, lateral wall fixed mounting has working battery, slide wire resistance, galvanometer, two-way electric key, standard battery and the battery that awaits measuring under the inner chamber of box body, the right-hand member fixed mounting of two-way electric key has the dwang, the upper end fixed mounting of dwang has the turning block, the even fixed mounting of lateral wall has limit structure under the inner chamber of box body, the preceding lateral wall of slide wire resistance slides and is equipped with the movable contact, the spout has been seted up to the last lateral wall of box body, and the movable contact pegs graft in the spout, through connection of electric lines between working battery and slide wire resistance, movable contact, galvanometer, two-way electric key, standard battery and the battery that awaits measuring.
Further, earlier limit structure includes the fixed plate, and fixed plate fixed mounting is in the lower lateral wall of box body inner chamber, the right side wall fixed mounting of fixed plate has the spring, the right-hand member fixed mounting of spring has the block rubber, the left side wall fixed mounting of block rubber has the connecting rod, and the connecting rod runs through the fixed plate, the left end fixed mounting of connecting rod has the limiting plate.
Furthermore, the upper side wall of the box body is fixedly provided with scale paper.
Further, the cover body is buckled on the left side of the upper side wall of the box body.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses a box body, working battery, slide wire resistance, galvanometer, dwang, two-way electric key, limit structure, standard battery, the battery that awaits measuring and sliding contact's structure can be directly place the battery that awaits measuring in this device to directly survey work, and because box body upside installation scale paper, the numerical value of order needs survey is convenient for obtain directly perceived, and then makes whole measuring process more simple and convenient, saves a large amount of time.
Drawings
Fig. 1 is a schematic view of the present invention.
Fig. 2 is an internal structure diagram of the present invention.
Fig. 3 is a top cross-sectional view of the limiting structure of the present invention.
Fig. 4 is a circuit diagram of the present invention.
Description of reference numerals: 1. the battery that awaits measuring, box body, 2, working battery, 3, slide wire resistance, 4, galvanometer, 5, dwang, 6, turning block, 7, two-way electric key, 8, limit structure, 81, fixed plate, 82, spring, 83, rubber block, 84, connecting rod, 85, limiting plate, 9, standard battery, 10, the battery that awaits measuring, 11, spout, 12, movable contact, 13, scale paper, 14, lid.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, fig. 2, fig. 3 and fig. 4, the present invention is a schematic structural diagram, and the present invention provides a technical solution: a battery electromotive force measuring device comprises a box body 1, a working battery 2, a slide wire resistor 3, a galvanometer 4, a bidirectional electric key 7, a standard battery 9 and a battery 10 to be measured are fixedly arranged on the lower side wall of an inner cavity of the box body 1, the measured current is determined at the galvanometer 4, the electromotive force of the standard battery 9 is known, a rotating rod 5 is fixedly arranged at the right end of the bidirectional electric key 7, a rotating block 6 is fixedly arranged at the upper end of the rotating rod 5, the rotating block 6 drives the rotating rod 5 to deflect, and then the bidirectional electric key 7 is controlled to be connected with the standard battery 9 or the battery 10 to be measured, a limiting structure 8 is uniformly and fixedly arranged on the lower side wall of the inner cavity of the box body 1, a movable contact 12 is slidably assembled on the front side wall of the slide wire resistor 3, a sliding groove 11 is formed in the upper side wall of the box body 1, the movable contact 12 is inserted into the sliding groove 11, and is moved by the movable contact 12, the length of a circuit connected with the slide wire resistor 3 is adjusted, the working battery 2 is connected with the slide wire resistor 3, the movable contact 12, the galvanometer 4, the bidirectional electric key 7, the standard battery 9 and the battery 10 to be measured through electric wires, the working principle is that electromotive force is measured by a cancellation method, and a circuit diagram is shown in an attached figure 4 of the specification.
Specifically, limit structure 8 includes fixed plate 81 earlier, and fixed plate 81 fixed mounting is in the lower lateral wall of box body 1 inner chamber, the right side wall fixed mounting of fixed plate 81 has spring 82, spring 82 is balanced state in fig. 3, the right-hand member fixed mounting of spring 82 has block rubber 83, the left side wall fixed mounting of block rubber 83 has connecting rod 84, and connecting rod 84 runs through fixed plate 81, the left end fixed mounting of connecting rod 84 has limiting plate 85, right side swing can pass through block rubber 83 department when being in the swing in two-way electric key 7, in the time of passing through, can drive block rubber 83 compression spring 82, and after passing through, receive the injecture of block rubber 83 and fix a position, realize its and be connected with two-way electric key 7 left side electrode piece department.
Specifically, the upper side wall of the box body 1 is fixedly provided with the scale paper 13, so that the position of the movable contact 12 can be visually determined conveniently, and a corresponding numerical value can be obtained.
Specifically, the cover 14 is fastened to the left side of the upper side wall of the case 1, and the cover 14 is located above the battery 10 to be tested, so that the battery to be tested can be replaced after being opened.
The working principle is as follows: this battery electromotive force survey device, during the use, earlier link into the circuit with standard battery 9, and remove movable contact 12, show as galvanometer 4 and be zero, the position of movable contact 12 this moment of record, and the length of movable contact 12 left side slide wire resistance 3, later link into the circuit with the battery 10 that awaits measuring, and remove movable contact 12 here, make galvanometer 4 record the position of movable contact 12 this moment of record for zero, wherein the ratio of the slide wire resistance 3 left half-length that the 12 positions of movable contact formed twice, be the ratio of the electromotive force of standard battery 9 and the electromotive force of the battery 10 that awaits measuring, the electromotive force size of the battery 10 that awaits measuring can be obtained through the calculation.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. A battery electromotive force measuring device, characterized in that: the utility model discloses a box body, lateral wall fixed mounting has working battery, slide-wire resistance, galvanometer, two-way electric key, standard battery and the battery that awaits measuring under the inner chamber of box body, the right-hand member fixed mounting of two-way electric key has the dwang, the upper end fixed mounting of dwang has the turning block, the even fixed mounting of lateral wall has limit structure under the inner chamber of box body, the preceding lateral wall slip of slide-wire resistance is equipped with the mobile contact, the spout has been seted up to the last lateral wall of box body, and the mobile contact pegs graft in the spout, through connection of electric lines between working battery and slide-wire resistance, mobile contact, galvanometer, two-way electric key, standard battery and the battery that awaits measuring.
2. The battery electromotive force measuring device according to claim 1, characterized in that: the limiting structure comprises a fixing plate, the fixing plate is fixedly mounted on the lower side wall of the inner cavity of the box body, a spring is fixedly mounted on the right side wall of the fixing plate, a rubber block is fixedly mounted at the right end of the spring, a connecting rod is fixedly mounted on the left side wall of the rubber block and penetrates through the fixing plate, and a limiting plate is fixedly mounted at the left end of the connecting rod.
3. The battery electromotive force measuring device according to claim 1, characterized in that: the upper side wall of the box body is fixedly provided with scale paper.
4. The battery electromotive force measuring device according to claim 1, characterized in that: the left side of the upper side wall of the box body is buckled with a cover body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120190233.8U CN214427577U (en) | 2021-01-20 | 2021-01-20 | Battery electromotive force measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120190233.8U CN214427577U (en) | 2021-01-20 | 2021-01-20 | Battery electromotive force measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214427577U true CN214427577U (en) | 2021-10-19 |
Family
ID=78056957
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120190233.8U Expired - Fee Related CN214427577U (en) | 2021-01-20 | 2021-01-20 | Battery electromotive force measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214427577U (en) |
-
2021
- 2021-01-20 CN CN202120190233.8U patent/CN214427577U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211019 |