CN203104009U - Power supply management system of operating table - Google Patents
Power supply management system of operating table Download PDFInfo
- Publication number
- CN203104009U CN203104009U CN2012207372590U CN201220737259U CN203104009U CN 203104009 U CN203104009 U CN 203104009U CN 2012207372590 U CN2012207372590 U CN 2012207372590U CN 201220737259 U CN201220737259 U CN 201220737259U CN 203104009 U CN203104009 U CN 203104009U
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- power management
- management module
- operating table
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Abstract
The utility model discloses a power supply management system of an operating table, which comprises a charger, a large power diode, a storage battery pack, a sampling resistor, a power supply management module, an electricity quantity indication module and an operating table controller. The power supply management system of the operating table can accurately detect residual electricity quantity of the lead acid battery pack on line, is good in energy saving effect, and effectively prolongs service life of the lead acid battery pack.
Description
Technical field
The utility model relates to the operating table field of power supplies, especially relates to a kind of intelligent operating table power-supply management system.
Background technology
Existing motor-driven operating table mainly adopts lead-acid batteries as stand-by power supply, when external ac power source is cut off, can guarantee that the use of operation table is not influenced by power failure.Be guaranteeing the stability of using electricity system, is a very important job to the detection of storage battery dump energy.The detection method of storage battery dump energy commonly used comprises: densimetry, open circuit voltage method, electric discharge and internal resistance method.The shortcoming of these methods is that certainty of measurement is low, is not suitable for on-line measurement.
Existing motor-driven operating table generally adopts the voltage detecting method in order to reach the purpose of on-line measurement, and the theory of voltage detecting method foundation is: when the electric weight in the storage battery reduced gradually, the output voltage of its power supply also decreased.Detecting the output voltage of storage battery, can not linear transformation be battery electric quantity, can only draw the storage battery dump energy by the output voltage and the battery electric quantity table of comparisons of prior measurement.
Fully from output voltage, the weak point of this method is that the table of comparisons is the record of finishing with the environment of brand-new storage battery, constant temperature to the voltage detecting method to the calculating of electric weight.Use storage battery to wear out in the reality because discharging and recharging number of times, ambient temperature can not keep constant simultaneously, and the load discharge electric current is also non-constant, it is inaccurate that these situations all can cause the storage battery dump energy to detect, reduced the reliability of back-up system, cause medical personnel that battery electric quantity is judged by accident, sudden power in the surgical procedure, entail dangers to patient's safety.
Existing motor-driven operating table only has charging and electric weight to be full of indication, can't clear accurate demonstration accumulator electric-quantity.Simultaneously, need central processing unit work owing to detect the storage battery output voltage, power consumption is bigger in this case, is in sleep or off-mode for save power can only make central processing unit, have only activation or start just can indicate accumulator electric-quantity, be not easy to medical personnel's operation.
The utility model content
At the defective that exists in the above-mentioned prior art, technical problem to be solved in the utility model provides and a kind ofly can onlinely detect, accuracy of detection height, electric weight indication are clear accurately, the intelligent operating table power-supply management system of good energy-conserving effect.
In order to solve the problems of the technologies described above, the power-supply management system of a kind of intelligent operating table provided by the utility model, comprise charger, heavy-duty diode, batteries, sampling resistor, power management module, electric weight indicating module, operating table controller, it is characterized in that:
Described charger positive supply output is connected to power management module by heavy-duty diode; Described charger negative supply output is connected to power management module; Described batteries positive electrode is connected to power management module; Described batteries negative electrode is connected to power management module by sampling resistor; It is core that described power management module adopts the TI BQ2013H of company chip; Described electric weight indicating module is connected with power management module by winding displacement; Described operating table controller is connected with power management module by the HDQ communication cable.
Described power management module comprises that power management chip, programmable pin are provided with that circuit, register power-down retaining circuit, HDQ communication interface circuit, electric weight indication are provided with circuit, charging is finished circuit is set; Described electric weight indicating module comprises current-limiting resistance and light-emitting diode.
The beneficial effects of the utility model are: adopting the TI BQ2013H of company chip is the electric weight detection module of core, dump energy that can accurately online detection lead-acid batteries; Have internal timer and temperature sensor and discharge and recharge compensation automatically, the accuracy of detection height; Can drive 5 low-power light-emitting diode indication electric weight, electric weight interval 20%, effect is clear accurately; Do not need central processing unit work to measure and to indicate electric weight, good energy-conserving effect has prolonged the useful life of lead-acid battery group.
Description of drawings
Below in conjunction with drawings and Examples the utility model is described in further detail.
Fig. 1 is the structural representation of the operating table power-supply management system of the utility model embodiment.
Fig. 2 is the circuit diagram of the power management module in the operating table power-supply management system of the utility model embodiment.
Among the figure, the A programmable pin is provided with circuit, and setting is finished in the B charging, C HDQ communication interface, and the power down of D register keeps battery, and the indication of E electric weight is provided with.
Fig. 3 is the circuit diagram of the electric weight indicating module in the operating table power-supply management system of the utility model embodiment.
Specific embodiments
As shown in Figure 1, a kind of operating table power-supply management system provided by the utility model comprises: charger 1, heavy-duty diode 2, power management module 3, sampling resistor 4, batteries 5, electric weight indicating module 6 and operating table controller 7;
Described charger 1 positive supply output is connected to power management module 3 by heavy-duty diode 2; Described charger 1 negative supply output is connected to power management module 3; Described batteries 5 positive electrodes are connected to power management module 3; Described batteries 5 negative electrodes are connected to power management module 3 by sampling resistor; It is core that described power management module 3 adopts the TI BQ2013H of company chip; Described electric weight indicating module 6 is connected with power management module 3 by winding displacement; Described operating table controller 7 is connected with power management module 3 by the HDQ communication cable;
As shown in Figure 2, described power management module 3 comprises that power management chip U3, programmable pin are provided with that circuit, register power-down retaining circuit, HDQ communication interface circuit, electric weight indication are provided with circuit, charging is finished circuit is set;
Described power management chip U3 positive supply input pin 16 connects source electrode 2 and the filter capacitor E1 of field effect transistor Q2; The grid 1 that described power management chip U3 reference voltage output pin 15 connects field effect transistor Q2 is connected to batteries positive supply input BAT+ by resistance R 15 simultaneously; The drain electrode 3 of described field effect transistor Q2 is connected with the pin 3 of diode D4; The pin one of described diode D4 is connected to batteries positive supply input BAT+; The charging of described power management chip U3 is finished input pin 14 and is connected to charging and finishes circuit is set; The HDQ communication interface 13 of described power management chip U3 is connected to HDQ communication interface circuit; The register backup input pin 12 of described power management chip U3 is connected to the register power-down retaining circuit; The low-voltage of described power management chip U3 detects input pin 11 and is connected to batteries positive supply input BAT+ by divider resistance R19, R23 and filter capacitor C4; The electric weight indication input pin 10 of described power management chip U3 is connected to the electric weight indication circuit is set; The filter circuit that the sampling resistor input pin 9 of described power management chip U3 is formed by resistance R 24 and capacitor C 5 is connected to sampling resistor R25; Described sampling resistor R25 is connected to batteries negative supply input BAT-; The negative supply input pin 8 of described power management chip U3 is connected to power supply ground GND; The input pin able to programme 7,6,5,4,3,2 of described power management chip U3 is connected to programmable pin circuit and electric weight indicating module driving interface JLED1 is set; The public output pin 1 of the LED of described power management chip U3 is connected to electric weight indicating module driving interface JLED1;
Described charging is finished and circuit is set is made up of current-limiting resistance R11, divider resistance R10, R13 and voltage stabilizing didoe D5; Described HDQ communication interface circuit is made up of current-limiting resistance R17, R18 and voltage stabilizing didoe D7; Described register power-down retaining circuit is made up of lithium battery LID1, current-limiting resistance R12, diode D3, capacitor C 3; Described electric weight indication is provided with circuit and is made up of current-limiting resistance R21, pull-up resistor R16, voltage stabilizing didoe D8 and wire jumper seat J11; Described programmable pin be provided with circuit by pull-up resistor arrange RP1, pull down resistor row RP2, wire jumper seat J4, J5, J6, J7, J8, J9 forms;
As shown in Figure 3, described electric weight indicating module comprises driving interface CON1, current-limiting resistance R1, R2, R3, R4, R5, red light emitting diodes D1, orange luminescence diode D2, D3, green LED D4, D5;
When the power-supply management system of the utility model embodiment is worked, external AC power supply is converted to the 27V direct current through charger 1, be transferred to power management module 3 by heavy-duty diode 2, power management module 3 is by fuse F2, F3 and sampling with high precision resistance 4(R25) 5 chargings of accumulators group, power management module 3 offers operating table controller 7 with the 27V direct current, power management module 3 is by HDQ serial communication cable and 7 communications of operating table controller, and power management module 3 drives the dump energy that electric weight indicating module 6 shows batteries 5.
During power management module 3 work, accumulator battery voltage carries out voltage-regulation by field effect transistor Q2, for power management chip U3 provides supply voltage about 5.2V.Power management chip U3 is by sampling with high precision resistance 4(R25) and the RC filter circuit detect the charge status of batteries 5 in real time, record in the voltameter in the chip.The low-voltage of power management chip U3 detects input pin 11 and detects accumulator battery voltage by divider resistance R19, R23 and filter capacitor C4, and when accumulator battery voltage was lower than dividing potential drop voltage is set, power management chip U3 resetted, and inner voltameter is reset to 0; According to parameters such as batteries 5 types, capacity, sampling resistors, the wire jumper that programmable pin is provided with circuit J4～J9 is provided with, make it meet the situation that current batteries 5 is used.
When changing the fuse F3 of power management module, batteries 5 power supply meeting temporarily disconnecteds, at this moment the lithium battery LID1 of power-down retaining circuit can provide stand-by power supply to keep the parameter of power management chip U3 internal register.
Claims (2)
1. operating table power-supply management system, it is characterized in that: comprise charger, heavy-duty diode, batteries, sampling resistor, power management module, electric weight indicating module, operating table controller, described charger positive supply output is connected to power management module by heavy-duty diode; Described charger negative supply output is connected to power management module; Described batteries positive electrode is connected to power management module; Described batteries negative electrode is connected to power management module by sampling resistor; It is core that described power management module adopts the TI BQ2013H of company chip; Described electric weight indicating module is connected with power management module by winding displacement; Described operating table controller is connected with power management module by the HDQ communication cable.
2. a kind of operating table power-supply management system according to claim 1 is characterized in that: described power management module comprises that power management chip, programmable pin are provided with that circuit, register power-down retaining circuit, HDQ communication interface circuit, electric weight indication are provided with circuit, charging is finished circuit is set; Described electric weight indicating module comprises current-limiting resistance and light-emitting diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012207372590U CN203104009U (en) | 2012-12-28 | 2012-12-28 | Power supply management system of operating table |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012207372590U CN203104009U (en) | 2012-12-28 | 2012-12-28 | Power supply management system of operating table |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203104009U true CN203104009U (en) | 2013-07-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012207372590U Expired - Lifetime CN203104009U (en) | 2012-12-28 | 2012-12-28 | Power supply management system of operating table |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203104009U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108139788A (en) * | 2015-08-07 | 2018-06-08 | 迈柯唯有限公司 | Power management and deep discharge protection |
| CN108258776A (en) * | 2018-03-27 | 2018-07-06 | 苏州屹高自控设备有限公司 | A kind of encoded servo device intelligent charger box |
-
2012
- 2012-12-28 CN CN2012207372590U patent/CN203104009U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108139788A (en) * | 2015-08-07 | 2018-06-08 | 迈柯唯有限公司 | Power management and deep discharge protection |
| CN108258776A (en) * | 2018-03-27 | 2018-07-06 | 苏州屹高自控设备有限公司 | A kind of encoded servo device intelligent charger box |
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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: 20130731 |