CN204330036U - There is the electromagnetic flowmeter of charge function - Google Patents
There is the electromagnetic flowmeter of charge function Download PDFInfo
- Publication number
- CN204330036U CN204330036U CN201420741921.9U CN201420741921U CN204330036U CN 204330036 U CN204330036 U CN 204330036U CN 201420741921 U CN201420741921 U CN 201420741921U CN 204330036 U CN204330036 U CN 204330036U
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- electromagnetic flowmeter
- resistance
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- usb interface
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- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims abstract description 17
- 229910052744 lithium Inorganic materials 0.000 claims abstract description 17
- 230000003287 optical effect Effects 0.000 claims abstract description 5
- 230000000694 effects Effects 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 201000004792 malaria Diseases 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model relates to a kind of electromagnetic flowmeter with charge function, 1 pin and 8 pin of lithium cell charging control chip U1 are unsettled, one end of 2 pin connecting resistance R3, the other end of resistance R3 connects 3 pin of U1,4 pin of Type B Mini-USB interface X1, rechargeable battery BT negative pole, one end of electric capacity C1, the power cathode input end of electromagnetic flowmeter U2 and power supply ground respectively; 4 pin of U1 connect 1 pin of X1, one end of resistance R1, R2 respectively, the anode of the other end difference sending and receiving optical diode L1, L2 of resistance R1, R2, the negative electrode of light emitting diode L1, L2 connects 7 pin and 6 pin of U1 respectively, and 5 pin of U1 connect rechargeable battery BT positive pole, the other end of electric capacity C1 and the positive source input end of electromagnetic flowmeter U2; The model of U1 is: CH6210.Effect is: the serviceable life extending electromagnetic flowmeter flowmeter, reduces the operation expense of electromagnetic flowmeter, reduces the maintenance difficulties of instrument.
Description
Technical field
The utility model relates to a kind of electromagnetic flowmeter with charge function, be applicable to the electromagnetic flowmeter adopting rechargeable battery to power, and scene does not possess Alternating Current Power Supply, although or possess Alternating Current Power Supply often power-off need battery as other flowmeter of standby power supply.
Background technology
Ordinary electromagnetic flowmeter, owing to being subject to the restriction of battery capacity, the real work time limit is generally no more than 3 years, and when battery electric quantity can not meet electromagnetic flowmeter work, battery changed by needs.If change battery at the scene, need to open meter case, destroy the integrality of original electromagnetic flowmeter in process, around malaria enters, and causes instrument function to reduce.If electromagnetic flowmeter is transported back producer to change battery, can trucking costs be produced again, also can affect the normal use of user simultaneously.
Some manufacturers change the frequency of battery in order to reduce, adopt battery-powered, multiple batteries is in parallel, such electromagnetic flowmeter will be very heavy, and manufacturing cost increases greatly simultaneously, and limits to cell making process by current, internal resistance and the voltage of cell are difficult to accomplish identical, there is problem of discharging mutually between battery in parallel, battery electric quantity loses, and is difficult to arrive Expected Results.Add the existence of self-discharge of battery, effect is not ideal.
Summary of the invention
In view of the deficiency that prior art exists, the utility model provides a kind of electromagnetic flowmeter with charge function, supplying cell changes rechargeable battery into by common batteries, increase a set of charging circuit and instruction of charging accordingly simultaneously, at the housing parts of electromagnetic flowmeter, a Type B Mini-USB interface meeting IP68 degree of protection and require is housed, by end cap, charging inlet being sealed when not charging, ensureing sealing and the integrality of whole electromagnetic flowmeter.When needing to charge to electromagnetic flowmeter, open the end cap of charging inlet, it charging inlet mobile phone charge pal being connected to electromagnetic flowmeter is electromagnetic flowmeter charging, charging indicator light is had to light in charging process, when charging into pilot lamp and lighting, represent that charging terminates, remove charging mobile phone charger baby from charging inlet, by charging inlet end cap seal.Mobile phone charge pal is the product often used in everybody daily life, flexibly small and exquisite, easy to use, and the electromagnetic flowmeter that mobile phone charge pal can have a charge function for multiple stage charges repeatedly, improves service efficiency.It is just passable that the battery meter capacity of rechargeable battery electromagnetic flowmeter meets working time of continuous 3 years, can alleviate the weight of instrument like this, also can reduce manufacturing cost.The serviceable life of existing rechargeable battery is all greater than 1000 discharge and recharges, and this just means that the serviceable life of electromagnetic flowmeter will be far longer than 3 years of common batteries if this other parts of electromagnetic flowmeter with chargeable interface do not damage.Use rechargeable battery to substitute disposable battery in addition, avoid the pollution of disposable battery use to environment.
The utility model to achieve these goals, the technical scheme adopted is: a kind of electromagnetic flowmeter with charge function, comprise electromagnetic flowmeter U2, mobile phone charge pal, it is characterized in that: also comprise charging circuit, rechargeable battery BT, Type B Mini-USB interface X1, described charging circuit is arranged in electromagnetic flowmeter U2 housing, charging circuit one tunnel is connected with the Type B Mini-USB interface X1 be arranged on electromagnetic flowmeter U2 housing, separately leading up to the power cathode of rechargeable battery BT and electromagnetic flowmeter U2 and positive pole is connected, mobile phone charge pal is connected with Type B Mini-USB interface X1.
Physical circuit connects, 1 pin and 8 pin of lithium cell charging control chip U1 are unsettled, one end of 2 pin connecting resistance R3, the other end of resistance R3 connects 3 pin of lithium cell charging control chip U1,4 pin of Type B Mini-USB interface X1, rechargeable battery BT negative pole, one end of electric capacity C1, the power cathode input end of electromagnetic flowmeter U2 and power supply ground respectively; 4 pin of lithium cell charging control chip U1 connect one end of 1 pin of Type B Mini-USB interface X1, resistance R1, resistance R2 respectively, the other end difference sending and receiving optical diode L1 of resistance R1, resistance R2, the anode of light emitting diode L2, the negative electrode of light emitting diode L1, light emitting diode L2 connects 7 pin and 6 pin of lithium cell charging control chip U1 respectively, and 5 pin of lithium cell charging control chip U1 connect rechargeable battery BT positive pole, the other end of electric capacity C1 and the positive source input end of electromagnetic flowmeter U2; The model of lithium cell charging control chip U1 is: CH6210.
The utility model beneficial effect is: the serviceable life extending electromagnetic flowmeter flowmeter, reduces the operation expense of electromagnetic flowmeter, reduces the maintenance difficulties of instrument.Alleviate the weight of electromagnetic flowmeter.Adopt mobile phone charge pal to be electromagnetic flowmeter charging, decrease special-purpose member, add the maintainability of instrument.Avoid the pollution of disposable battery replacing to environment.
Accompanying drawing explanation
Fig. 1 is that circuit of the present utility model connects block diagram;
Fig. 2 is circuit theory diagrams of the present utility model.
Embodiment
As shown in Figure 1, 2, there is the electromagnetic flowmeter of charge function, comprise electromagnetic flowmeter U2, mobile phone charge pal, also comprise charging circuit, rechargeable battery BT, Type B Mini-USB interface X1, described charging circuit is arranged in electromagnetic flowmeter U2 housing, charging circuit one tunnel is connected with the Type B Mini-USB interface X1 be arranged on electromagnetic flowmeter U2 housing, separately leading up to the power cathode of rechargeable battery BT and electromagnetic flowmeter U2 and positive pole is connected, and mobile phone charge pal is connected with Type B Mini-USB interface X1.
Physical circuit connects: lithium cell charging control chip U1 1, pin 8 pin is unsettled does not connect, 2 pin connecting resistance R3 one end, another termination power ground of resistance R3; 3 pin of lithium cell charging control chip U1 connect power supply ground, and 4 pin connect 1 pin of Type B Mini-USB interface X1, and during charging, voltage is 5V; 5 pin of lithium cell charging control chip U1 are the positive pole that charging exports termination battery BT; The negative electrode of the 6 pin sending and receiving optical diode L2 of U1, one end of the anode connecting resistance R2 of L2,1 pin of another termination Type B Mini-USB interface X1 of resistance R2, during charging, voltage is 5V; The negative electrode of the 7 pin sending and receiving optical diode L1 of lithium cell charging control chip U1, one end of the anode connecting resistance R1 of L1,1 pin of another termination Type B of resistance R1 Mini-USB interface X1, during charging, voltage is 5V; Electric capacity C1 two ends are connected with the positive pole of rechargeable battery BT, negative pole respectively, simultaneously the positive pole of rechargeable battery BT receives the positive source input end of U2 ordinary electromagnetic flowmeter (non-transformer) circuit part, and the negative pole of rechargeable battery BT receives ordinary electromagnetic flowmeter U2(non-transformer) the power cathode input end of circuit part and power supply ground.
Resistance R1, R2 are light emitting diode L1, L2 current-limiting resistance, and resistance R3 is charging current regulating resistance, usual value 2 Ω.
Mobile phone charge pal by USB interface of computer or special charger charging, can be prepared as the electromagnetic flowmeter U2 with Type B Mini-USB interface X1 and charges.Electromagnetic flowmeter U2 rechargeable battery BT before dispatching from the factory with Type B Mini-USB interface X1 should be full of, and can ensure continuous 3 years ' operation.User can every 6 ~ 12 months be that battery BT fills once electricity, during charging, mobile phone charge pal is connected with the Type B Mini-USB interface X1 of electromagnetic flowmeter U2, mobile phone charge pal starts to charge to rechargeable battery BT, now diode L1 lights, and diode L2 extinguishes, after battery is full of, diode L1 extinguishes, and diode L2 lights.At this time just mobile phone charge pal can be removed from Type B Mini-USB interface X1, charging complete, by Type B Mini-USB interface X1 good seal.If the electricity of mobile phone charge pal can continue as next electromagnetic flowmeter charging with charge function, so continue as the follow-up electromagnetic flowmeter charging with charge function.
Claims (1)
1. one kind has the electromagnetic flowmeter of charge function, comprise electromagnetic flowmeter U2, mobile phone charge pal, it is characterized in that: also comprise charging circuit, rechargeable battery BT, Type B Mini-USB interface X1, described charging circuit is arranged in electromagnetic flowmeter U2 housing, charging circuit one tunnel is connected with the Type B Mini-USB interface X1 be arranged on electromagnetic flowmeter U2 housing, separately leading up to the power cathode of rechargeable battery BT and electromagnetic flowmeter U2 and positive pole is connected, and mobile phone charge pal is connected with Type B Mini-USB interface X1;
Physical circuit connects, 1 pin and 8 pin of lithium cell charging control chip U1 are unsettled, one end of 2 pin connecting resistance R3, the other end of resistance R3 connects 3 pin of lithium cell charging control chip U1,4 pin of Type B Mini-USB interface X1, rechargeable battery BT negative pole, one end of electric capacity C1, the power cathode input end of electromagnetic flowmeter U2 and power supply ground respectively; 4 pin of lithium cell charging control chip U1 connect one end of 1 pin of Type B Mini-USB interface X1, resistance R1, resistance R2 respectively, the other end difference sending and receiving optical diode L1 of resistance R1, resistance R2, the anode of light emitting diode L2, the negative electrode of light emitting diode L1, light emitting diode L2 connects 7 pin and 6 pin of lithium cell charging control chip U1 respectively, and 5 pin of lithium cell charging control chip U1 connect rechargeable battery BT positive pole, the other end of electric capacity C1 and the positive source input end of electromagnetic flowmeter U2; The model of lithium cell charging control chip U1 is: CH6210.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420741921.9U CN204330036U (en) | 2014-12-02 | 2014-12-02 | There is the electromagnetic flowmeter of charge function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420741921.9U CN204330036U (en) | 2014-12-02 | 2014-12-02 | There is the electromagnetic flowmeter of charge function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204330036U true CN204330036U (en) | 2015-05-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420741921.9U Expired - Fee Related CN204330036U (en) | 2014-12-02 | 2014-12-02 | There is the electromagnetic flowmeter of charge function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204330036U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104359515A (en) * | 2014-12-02 | 2015-02-18 | 中环天仪股份有限公司 | Electromagnetic flow meter with charging interface |
| CN105471463A (en) * | 2015-12-29 | 2016-04-06 | 广东工业大学 | USB rechargeable ZigBee network wireless air pressure sensor |
-
2014
- 2014-12-02 CN CN201420741921.9U patent/CN204330036U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104359515A (en) * | 2014-12-02 | 2015-02-18 | 中环天仪股份有限公司 | Electromagnetic flow meter with charging interface |
| CN105471463A (en) * | 2015-12-29 | 2016-04-06 | 广东工业大学 | USB rechargeable ZigBee network wireless air pressure sensor |
| WO2017113463A1 (en) * | 2015-12-29 | 2017-07-06 | 广东工业大学 | Usb rechargeable wireless air pressure sensor based on zigbee network |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150513 |