CN201689162U - Voltage and electricity measuring instrument - Google Patents
Voltage and electricity measuring instrument Download PDFInfo
- Publication number
- CN201689162U CN201689162U CN2009202749245U CN200920274924U CN201689162U CN 201689162 U CN201689162 U CN 201689162U CN 2009202749245 U CN2009202749245 U CN 2009202749245U CN 200920274924 U CN200920274924 U CN 200920274924U CN 201689162 U CN201689162 U CN 201689162U
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Abstract
The utility model relates to a voltage and electricity measuring instrument, which comprises an outer shell, a battery housing and a circuit board (5), wherein the battery housing is arranged in the outer shell; the outer shell comprises an upper panel; a front panel and a status lamp are arranged on the upper panel; one side surface of the outer shell is provided with a main power switch of the instrument and a five-core battery socket, and the other side surface is provided with a change-over switch used for measuring the electricity of a battery and changing over the activated state of the battery; the battery is arranged in the battery housing and is fixed by a spring and a soldering lug; the circuit board comprises a measurement and control circuit consisting of a singlechip, a clock chip, a signal conditioning circuit and an A/D change-over circuit; the clock chip and the signal conditioning circuit are connected with the singlechip; the circuit board is connected with the five-core battery socket (8) by a lead; and the measured battery can be directly connected with the five-core battery socket (8) by a five-core battery plug. The voltage and electricity measuring instrument is reasonable in the positions of buttons and the switch, so as to be convenient for a user; in addition, the user can change over the activated state or the measuring state of the battery voluntarily.
Description
Technical field
The utility model relates to a kind of voltage electrical measurement instrument, is specifically related to a kind of equipment to oil field measure field use battery and carries out battery electric quantity measurement and battery activated instrument.
Background technology
The oil field measure field uses the equipment of battery a lot, often because the electric weight deficiency of battery causes the well logging failure, mainly is because instrument uses battery can satisfy once well logging through repeatedly using the dump energy that can't learn battery, and causes the well logging failure; Its primary cell use first or the long-time cell voltage that do not use when not using once again very low, use because brownout can make instrument work undesired under the situation once more, cause the well logging failure.
At present, domestic oil field does not have the electric weight of apparatus measures battery or activates the battery that uses first or do not have for a long time to use to make its operate as normal, instructs well logging work successfully to cut.
Summary of the invention
The purpose of this utility model is to provide a kind of battery electric quantity measuring instrument, and it has solved the electric weight of not measuring battery in the background technology or has activated the technical matters that the battery that uses first or do not have for a long time to use makes its operate as normal.
Technical solution of the present utility model is:
A kind of voltage electrical measurement instrument comprises shell body 1, is arranged at the battery tube 4 and the circuit board 5 of shell body 1 inside; Described shell body comprises a top panel 2, and described top panel 2 is provided with front panel 3, status lamp 6; A side of described shell body is provided with switch 7, the five core battery sockets 8 of this instrument general supply, and another side is provided with the switch 9 of measuring battery electric quantity and the switching of battery activated state; Described battery tube 4 internal batteries 10, and fixing by spring 11 and weld tabs 12,
Its special character is: described circuit board 5 comprises telemetry circuit, and described observing and controlling electricity is by a single-chip microcomputer and the clock chip and the signal conditioning circuit that are connected with this single-chip microcomputer, and A/D convertor circuit constitutes; It links to each other with five core battery sockets 8 by lead, and tested battery directly is connected with five core battery sockets 8 by five core battery plugs.
The master controller of above-mentioned telemetry circuit is selected low-power scm for use, and the static working current of whole device is less than 50 μ A.
Above-mentioned front panel 2 comprises the LCD display device, and its display part is the LCM of the low-power consumption 122X32 of 3.3V power supply.
Above-mentioned battery tube 4 passes through screw 13, pad 14, and nut 15 is connected with shell body 1.
Foregoing circuit plate 5 is by pad 14, and nut 15 is connected with shell body 1.
Above-mentioned low-power scm is an ARM7TDMI-S kernel single-chip microcomputer.
Advantage of the present utility model is:
(1) good looking appearance, bright-colored; Button, switch arrange the position reasonable, are user-friendly to.
(2) user can be switched battery activated/measurement state voluntarily arbitrarily;
(3) easy and simple to handle, be easy to use;
(4) simple in structure, reliable operation is easy to make;
(5) easy to removal and installation, maintaining is convenient.
(6) versatility is good, is applicable to the most of batteries in oil field.
(7) instrument itself uses lithium battery power supply, and design low in energy consumption can work long hours.
Description of drawings
Fig. 1 is the utility model one-piece construction synoptic diagram.
Fig. 2 is the inner scheme of installation of the utility model.
Fig. 3 is the utility model battery measurement schematic diagram.
Description of reference numerals: 1-shell body, 2-top panel, 3-front panel, 4-battery tube, 5-circuit board, 6-status lamp, 7-switch, 8-five core battery sockets, 9-switch, 10-battery, 11-spring, 12-weld tabs, 13-screw, 14-pad, 15-nut.
Embodiment
Referring to Fig. 1, a kind of voltage electrical measurement instrument comprises shell body 1, is arranged at the battery tube 4 and the circuit board 5 of shell body 1 inside; Shell body comprises a top panel 2, and top panel 2 is provided with front panel 3, status lamp 6; A side of shell body is provided with switch 7, the five core battery sockets 8 of this instrument general supply, and another side is provided with the switch 9 of measuring battery electric quantity and the switching of battery activated state; Battery tube 4 internal batteries 10, and fixing by spring 11 and weld tabs 12, circuit board 5 comprises telemetry circuit, described observing and controlling electricity is by a single-chip microcomputer and the clock chip and the signal conditioning circuit that are connected with this single-chip microcomputer, A/D convertor circuit formation; It links to each other with five core battery sockets 8 by lead, and tested battery directly is connected with five core battery sockets 8 by five core battery plugs.
The master controller of telemetry circuit is selected low-power scm for use, and the static working current of whole device is less than 50 μ A.
Low-power scm is an ARM7TDMI-S kernel single-chip microcomputer.
Referring to Fig. 2, main metering circuit metering circuit comprises activation, and band carries measure portion.
Battery activated circuit adopts the different discharge rate (one tunnel big electric current, one tunnel little electric current) of two-way to the battery activation of discharging, and program is selected discharge rate according to State Control;
Band carries the measure portion circuit, and after with difference channel sampling value being handled, the AD that delivers to single-chip microcomputer changes, and transformation result is kept in circuit board 5 internal storage regions;
Voltage and quantity measuring method;
Battery measurement schematic diagram such as accompanying drawing 3
E is that the electromotive force r0 of battery is internal resistance
As can be seen from Figure 3:
E＝U+Uf+I*r0
Under a certain stable state, the electromotive force E and the internal resistance r0 of battery are constant, and we are the given I1 of elder generation at a time, measures U and Uf; And then given again I2 measures U and Uf, can row one set of equations obtain this electromotive force and internal resistance of cell constantly like this; In like manner, we can preserve electromotive force in the battery discharge procedure and internal resistance value, make a table; So, the measurement of battery electric quantity just becomes the measurement of electromotive force and internal resistance, and battery terminal voltage should be U+Uf.
Claims (6)
1. a voltage electrical measurement instrument comprises shell body (1), is arranged at shell body (1) inner battery tube (4) and circuit board (5); Described shell body comprises a top panel (2), the side that described top panel (2) is provided with front panel (3), the described shell body of status lamp (6) is provided with the switch (7) of this instrument general supply, five core battery sockets (8), another side are provided with the switch (9) of measuring battery electric quantity and the switching of battery activated state; Described battery tube (4) internal battery (10), and fixing by spring (11) and weld tabs (12),
It is characterized in that: described circuit board (5) comprises telemetry circuit, and described observing and controlling electricity is by a single-chip microcomputer and the clock chip and the signal conditioning circuit that are connected with this single-chip microcomputer, and A/D convertor circuit constitutes; It links to each other with five core battery sockets (8) by lead, and tested battery directly is connected with five core battery sockets (8) by five core battery plugs.
2. according to the described voltage electrical measurement of claim 1 instrument, it is characterized in that: the master controller of described telemetry circuit is selected low-power scm for use, and the static working current of whole device is less than 50 μ A.
3. according to the described voltage electrical measurement of claim 1 instrument, it is characterized in that: described front panel (2) comprises a LCD display device, and its display part is the LCM of the low-power consumption 122X32 of 3.3V power supply.
4. according to claim 1 or 2 or 3 arbitrary described voltage electrical measurement instrument, it is characterized in that: described battery tube (4) passes through screw (13), pad (14), and nut (15) is connected with shell body (1).
5. according to the described voltage electrical measurement of claim 4 instrument, it is characterized in that: described circuit board (5) is by pad (14), and nut (15) is connected with shell body (1).
6. according to the described voltage electrical measurement of claim 5 instrument, it is characterized in that: described low-power scm is an ARM7TDMI-S kernel single-chip microcomputer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202749245U CN201689162U (en) | 2009-12-31 | 2009-12-31 | Voltage and electricity measuring instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202749245U CN201689162U (en) | 2009-12-31 | 2009-12-31 | Voltage and electricity measuring instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201689162U true CN201689162U (en) | 2010-12-29 |
Family
ID=43377442
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202749245U Expired - Lifetime CN201689162U (en) | 2009-12-31 | 2009-12-31 | Voltage and electricity measuring instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201689162U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013174059A1 (en) * | 2012-05-22 | 2013-11-28 | 中兴通讯股份有限公司 | Apparatus and method for identifying batteries of different thicknesses, and electronic device |
| CN103529392A (en) * | 2013-10-15 | 2014-01-22 | 江苏艾锐泰克无人飞行器科技有限公司 | High-precision battery electricity quantity tester |
| CN104668206A (en) * | 2013-12-03 | 2015-06-03 | 哈尔滨智木科技有限公司 | Portable battery voltage sorting device |
| CN104690008A (en) * | 2013-12-04 | 2015-06-10 | 哈尔滨智木科技有限公司 | Voltage measuring and sorting instrument for batteries |
| CN106569140A (en) * | 2016-11-03 | 2017-04-19 | 东莞市哈维电子科技有限公司 | Battery detection device |
-
2009
- 2009-12-31 CN CN2009202749245U patent/CN201689162U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013174059A1 (en) * | 2012-05-22 | 2013-11-28 | 中兴通讯股份有限公司 | Apparatus and method for identifying batteries of different thicknesses, and electronic device |
| CN103529392A (en) * | 2013-10-15 | 2014-01-22 | 江苏艾锐泰克无人飞行器科技有限公司 | High-precision battery electricity quantity tester |
| CN104668206A (en) * | 2013-12-03 | 2015-06-03 | 哈尔滨智木科技有限公司 | Portable battery voltage sorting device |
| CN104690008A (en) * | 2013-12-04 | 2015-06-10 | 哈尔滨智木科技有限公司 | Voltage measuring and sorting instrument for batteries |
| CN106569140A (en) * | 2016-11-03 | 2017-04-19 | 东莞市哈维电子科技有限公司 | Battery detection device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20101229 |