CN207166368U - Immunity analysis instrument power-supply system - Google Patents
Immunity analysis instrument power-supply system Download PDFInfo
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- CN207166368U CN207166368U CN201721097195.1U CN201721097195U CN207166368U CN 207166368 U CN207166368 U CN 207166368U CN 201721097195 U CN201721097195 U CN 201721097195U CN 207166368 U CN207166368 U CN 207166368U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes
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Abstract
It the utility model is related to a kind of immunity analysis instrument power-supply system, including two switches, two Switching Power Supplies, middle-position machine module and multi-channel time-delay output circuit；Two switches control the work of two Switching Power Supplies respectively, carry out voltage transformation output 24V and 5V voltage, respectively to middle-position machine module and Ge Lu delay output circuit power supplies and offer bias voltage；Each road delay output circuit gives each load supplying of the immunity analysis instrument.The utility model passes through two switching on and shutting down and the Switching Power Supply of voltage transformation, analyzer is set to sentence standby and work two states respectively, on the one hand energy consumption can be saved, on the other hand avoid once starting shooting to each load while go up electric, easily produce surge current, the problem of damaging circuit element, extend the service life of analyzer；Using M51957B chips as delay pio chip so that delay circuit is more simplified, further saves energy consumption, decreases fault.
Description
Technical field
Immunity analysis instrument power-supply system is the utility model is related to, belongs to technical field of medical instruments.
Background technology
The most commonly used diagnostic method of medical domain --- in-vitro diagnosis at present, refer to gather the body fluid of human body, row
Thing, secretion progress chemical composition or chemical reaction analysis are let out, so as to judge human lesion.Such as chemiluminometry, divide
Son diagnosis.These diagnostic methods, it is loaded, is analyzed, and provide diagnosis report using automatically or semi-automatically instrument.
The unit module that Full-automatic chemiluminescence immunoassay analysis meter includes is more, such as middle-position machine module, refrigeration module, motion
Control module 1-4, heating module, motor drive module 1-8.And the power supply of these modules is all 24V inputs, then carry out DCDC
Conversion.If give the upper electricity power supply simultaneously of all modules, it will produce very big surge current, the device of circuit is damaged.
The content of the invention
The technical problems to be solved in the utility model is：When giving electric in each module of analyzer simultaneously after start, easily
Surge current is produced, damages circuit devcie.To solve technical problem, there is provided a kind of immunity analysis instrument power-supply system, successively to each
It is electric in module, avoid the generation of surge.
Technical scheme is used by the utility model solves its technical problem：A kind of immunity analysis instrument power-supply system, bag
Include first switch, first switch power supply, middle-position machine module, second switch, second switch power supply and multi-channel time-delay output circuit；
The first switch both ends are connected with alternating current and first switch power supply respectively；
The first switch power supply exports first voltage V1, is powered to the middle-position machine module and second switch power supply；
Described middle-position machine module one end connects second switch, and the other end connects the control terminal of the second switch power supply, root
The second switch electric power starting or closing are controlled according to the on off state of the second switch；
The second switch power supply includes control terminal, input and two output ends, and its input connects the first voltage
V1, two output ends export second voltage V2 and tertiary voltage V3, the second voltage V2 and each road delay output electricity respectively
The input connection on road, the tertiary voltage V3 are connected with the control terminal of each road delay output circuit；
Each road delay output circuit gives each load supplying of the immunity analysis instrument.
Preferably, each road delay output circuit includes a delay circuit and controlling switch；The delay output electricity
The control terminal on road is the delay circuit；The controlling switch includes control terminal, input and output end；The controlling switch
Control terminates the delay circuit, and input terminates the second voltage V2, and output terminates the immunity analysis instrument and loaded accordingly.
Preferably, the delay circuit includes a delay pio chip, two divider resistances, pull-up resistor and delay electricity
Hold；
The delay pio chip includes input, earth terminal, power end, output end and delay capacitor end；
Described two divider resistances are connected in series to form series-connection circuit, series-connection circuit one end ground connection, another
Terminate the tertiary voltage V3；The input of the delay pio chip is terminated between two divider resistance, power supply termination institute
Tertiary voltage V3 is stated, output terminates the control terminal of the controlling switch, and delay capacitor terminates the delay capacitor；The delay electricity
Hold other end ground connection.
Preferably, the output end of the delay pio chip is also connected by a pull-up resistor with the tertiary voltage V3.
Preferably, the delay capacitor size of the delay pio chip connection of each road delay output circuit is incremented by successively.
Preferably, the second switch power supply includes a main switching control and a voltage conversion circuit；The main control is opened
The control terminal of pass is connected by a resistance with the middle-position machine module, and input terminates the first voltage V1, output end output institute
Second voltage V2 is stated, is connected with the input of the voltage conversion circuit and each road delay output circuit；The voltage transformation
The output end of circuit exports the tertiary voltage V3, is connected with the control terminal of each road delay output circuit.
Preferably, the voltage conversion circuit is DCDC translation circuits.
Preferably, the main switching control and controlling switch include a triode, relay, diode, current-limiting resistance
And fuse；
The contact one of the relay terminates corresponding main switching control or the input power supply of controlling switch, another termination
Fuse, exported and powered by fuse；
Coil one end of the relay and the negative pole of diode simultaneously connect, and are opened by current-limiting resistance with corresponding main control
Close or the input power supply of controlling switch connects；The coil other end of the relay and the positive pole of diode simultaneously connect, and with institute
State triode connection；
The triode is NPN type triode, and its base stage connects the control terminal of the main switching control, colelctor electrode with it is described
The coil of relay connects with diode, grounded emitter；
Or the triode is PNP type triode, its base stage connects the control terminal of the controlling switch, emitter stage with
The coil of the relay connects with diode, grounded collector.
Preferably, the first voltage V1 of the first switch power supply output returns a load confession of the immunity analysis instrument
Electricity.
Preferably, the first voltage V1 is 24V, and the second voltage V2 is 24V, and the tertiary voltage V3 is 5V.
The beneficial effects of the utility model are：
(1) by two switching on and shutting down and the Switching Power Supply of voltage transformation, analyzer is made to sentence standby and two kinds of work respectively
State, on the one hand can save energy consumption, on the other hand avoid once starting shooting to each load while upper electricity, easily produce surge electricity
Stream, the problem of damaging circuit element, extend the service life of analyzer；
(2) using M51957B chips as delay pio chip so that delay circuit is more simplified, further saves energy
Consumption, decreases fault.
Brief description of the drawings
The utility model is further illustrated with reference to the accompanying drawings and examples.
Fig. 1 is the functional block diagram of the utility model power-supply system embodiment one；
Fig. 2 is the functional block diagram of the utility model power-supply system embodiment two；
Fig. 3 is the functional block diagram of the utility model second switch power supply and each road delay output circuit；
Fig. 4 is the circuit diagram of the main switching control of the utility model second switch power supply；
Fig. 5 is the circuit diagram of the voltage conversion circuit of the utility model second switch power supply；
Fig. 6 is the circuit diagram of the utility model delay output circuit 1；
Fig. 7 is the circuit diagram of the utility model delay output circuit 2.
Reference in figure is：10th, second switch power supply；11st, main switching control；12nd, voltage conversion circuit；20th, prolong
When output circuit；21st, delay circuit；22nd, controlling switch.
Embodiment
The utility model is described in further detail presently in connection with accompanying drawing.These accompanying drawings are simplified schematic diagram,
Only illustrate basic structure of the present utility model in a schematic way, therefore it only shows the composition relevant with the utility model.
Embodiment 1
The present embodiment provides a kind of power-supply system of Full-automatic chemiluminescence immunoassay analysis meter, as shown in figure 1, including first
Switch, first switch power supply, middle-position machine module, second switch, second switch power supply and multi-channel time-delay output circuit.Wherein,
First switch both ends are connected with alternating current and first switch power supply respectively；First switch power supply exports first voltage V1, to middle position
Machine module and the power supply of second switch power supply；Middle-position machine module one end connects second switch, other end connection second switch power supply
Control terminal, second switch electric power starting or closing are controlled according to the on off state of second switch；Second switch power supply includes control
End, input and two output ends, its input connect the first voltage V1 of above-mentioned first switch power supply output, two output ends difference
Second voltage V2 and tertiary voltage V3 is exported, wherein second voltage V2 is connected with the input of each road delay output circuit, and the 3rd
Voltage V3 is connected with the control terminal of each road delay output circuit；Each road delay output circuit gives each load of above-mentioned immunity analysis instrument
Power supply, such as successively to motion-control module, heating module and motor drive module power supply.
As shown in figure 3, in the embodiment, second switch power supply 10 includes a main switching control 11 and a voltage conversion circuit
12.Wherein, the control terminal of main switching control 11 is connected by a resistance with above-mentioned middle-position machine module, and input connects above-mentioned first electricity
V1 is pressed, output end output second voltage V2, is connected with the input of voltage conversion circuit 12 and each road delay output circuit 20
Connect；The output end output tertiary voltage V3 of voltage conversion circuit 12, is connected with the control terminal of each road delay output circuit 20.
For example, first switch connection 220V alternating current, when first switch is closed, whole analyzer power-off does not work；
After opening first switch, first switch power supply electrically connects with exchanging, and rectification output direct current：24V first voltage V1, gives
Middle-position machine module and second switch power supply 10 are powered.Wherein, middle-position machine module communicates with host computer and second switch power supply 10.When
When middle-position machine module detects that second switch is closed, give second switch power supply 10 1 control signals by IO, notify second to open
Powered-down source 10 is started working, and exports 24V second voltage V2 and 5V tertiary voltage V3.
As shown in figure 5, in the embodiment, voltage conversion circuit 12 is using DCDC translation circuits.As shown in figure 4, should
In embodiment, main switching control 11 includes a triode Q1, relay K1, diode D1, current-limiting resistance R1 and fuse F1.Its
In, relay K1 contact one terminates the input power supply of main switching control 11, i.e., above-mentioned 24V first voltage V1, the other end
Fuse F1 is met, 24V second voltage V2 is exported to voltage conversion circuit 12 and Ge Lu delay output circuits by fuse F1
20 power supplies.Relay K1 coil one end and diode D1 negative pole simultaneously connect, and pass through current-limiting resistance R1 and the main switching control
11 input power supplys connect；The relay K1 coil other end and diode D1 positive pole simultaneously connect, and connect with above-mentioned triode Q1
Connect.Triode Q1 in the main switching control 11 is NPN type triode, and its base stage B connects the control of the main switching control 11
End, i.e., the I/O interface of above-mentioned middle-position machine module output, connect a resistance R2 between base stage B and I/O interface；And colelctor electrode C with
Above-mentioned relay K1 coil connects with diode D1, emitter E ground connection.
The power-supply system carries out AC rectification output by first switch start and first switch power supply and is adapted to analyzer
The 24V direct currents used, analyzer is set to be in holding state；Voltage change is carried out by second switch and second switch power supply again
Change, there is provided be adapted to the 24V supply voltage and 5V bias voltage of each road delay output circuit, through each road be delayed output circuit according to
Respectively load is upper electric successively for secondary motion-control module, heating module, motor drive module to analyzer etc..Pass through two switching on and shutting down
And the Switching Power Supply of voltage transformation, analyzer is sentenced standby and work two states respectively, on the one hand can save energy consumption, it is another
Aspect is avoided once starting shooting to each load while upper electricity, easily produces surge current, the problem of damage circuit element, is extended
The service life of analyzer.
Embodiment 2
As shown in figure 3, above-mentioned each road delay output circuit 20 includes a delay circuit 21 and controlling switch 22.Wherein,
The control terminal of above-mentioned delay output circuit 20 is delay circuit 21；Controlling switch 22 includes control terminal, input and output end.Control
The control termination delay circuit 21 of system switch 22, input meet above-mentioned second voltage V2, and output end connects above-mentioned immunity analysis instrument phase
The load answered, such as motion-control module.
As shown in fig. 6, the delay output circuit 20 in the embodiment, its delay circuit 21 include a delay pio chip
U2, two divider resistance R5, R6, pull-up resistor R3 and delay capacitor C3.Wherein, be delayed the preferred M51957B of pio chip U2
Chip, including input IN, earth terminal GND, power end VDD, output end OUT and delay capacitor end CD.Two divider resistance R5,
R6 connects, and series circuit one end ground connection, the other end meets above-mentioned 5V tertiary voltage V3.Above-mentioned delay pio chip U2 input
End IN is connected between two divider resistance R5, R6, and power end VDD meets above-mentioned 5V tertiary voltage V3, and output end OUT connects above-mentioned control
The control terminal of switch 22, delay capacitor end CD meet delay capacitor C3；The delay capacitor C3 other ends are grounded.
The controlling switch 22 of delay output circuit 20 includes a triode Q2, relay K2, diode D2, current-limiting resistance R3
With fuse F3.Wherein, the relay K2 termination input power supply of controlling switch 22 of contact one, i.e. the second voltage V2 of 24V, separately
One termination fuse F3, wherein one load of analyzer is supplied electricity to by fuse F3 outputs, such as the motion control mould of analyzer
Block.
Relay K2 coil one end and diode D2 negative pole simultaneously connect, and defeated by current-limiting resistance R3 and controlling switch 22
Enter to hold power supply to connect；And the relay K2 coil other end and diode D2 positive pole and connect, and be connected with above-mentioned triode Q2.
In the embodiment, for the triode Q2 that controlling switch 22 uses for PNP type triode, its base stage B connects the control of the controlling switch 22
End processed, i.e., above-mentioned delay pio chip U2 output end OUT, emitter E and above-mentioned relay K2 coil and diode D2 connect
Connect, colelctor electrode C ground connection.
Using M51957B chips as delay pio chip so that delay circuit is more simplified, further saves energy consumption,
Decrease fault.As shown in fig. 6, when be delayed pio chip U2 2 pin input IN voltage more than 1.25V when, just
Start to charge to delay capacitor C3, after delay capacitor C3 charging completes, delay pio chip U2 6 pin output end OUT will make
Can, and drive relay K2 adhesives to work by triode Q2 base stage B, export 24V voltage powering loads.
Preferably, delay pio chip U2 output end OUT is also connected by the tertiary voltage V3 of pull-up resistor a R4 and 5V
Connect, when ensureing that delay pio chip U2 output end OUT is enabled, triode Q2 base stage B is in high level, smoothly to turn on
Triode Q2 emitter E and colelctor electrode C, control relay K2 adhesives, 24V voltage is exported to corresponding load supplying.
The delay capacitor size of the delay pio chip connection of above-mentioned each road delay output circuit 20 is incremented by successively.Such as Fig. 7
The longer delay output circuit of delay time is shown, compared with the delay output circuit shown in Fig. 6, delay pio chip U3's
Delay capacitor end CD has simultaneously met 2 delay capacitors C4 and C5, wherein, C3, C4 and C5 capacitance are thought together, it is assumed that each electric capacity is big
Small is Cd μ F, then the delay output circuit shown in Fig. 7 will postpone the time of 0.34 × Cd seconds than the delay output circuit shown in Fig. 6
24V voltage is exported, gives corresponding load upper electricity.
The like, the delay capacitor end CD of the delay pio chip of each road delay output circuit is delayed all the way than preceding respectively
The delay capacitor end of output circuit delay pio chip connects the delay capacitor for waiting electric capacity that a capacitance is Cd μ F more so that each
Delay output circuit in road exported 24V voltage than the upper time for being delayed output circuit delay 0.34 × Cd seconds all the way successively, to phase
It is electric in the load answered, avoid and meanwhile to it is electric in each load when easily produce surge current, the problem of damaging circuit element, reduction
Failure during analyzer use, extends service life.
Embodiment 3
The 24V of above-mentioned first switch power supply output of the present utility model first voltage V1 can also give immunoassay simultaneously
One load supplying of instrument, as shown in Figure 2.For example, in automatic lmunoassays analyzer, the refrigeration module of analyzer also needs when standby
Work, so when opening first switch, when analyzer is in holding state, the first of the 24V of first switch power supply output is electric
Press refrigeration modules of the V1 simultaneously also to analyzer to power, and control refrigeration module to work by above-mentioned middle-position machine module.
In the various embodiments described above, the diode in main switching control and each way control switch circuit preferably uses Schottky two
Pole pipe SS34, the preferred CB1A-P models of relay；The preferred 10A fuses of fuse F1 of main switching control circuit；DCDC is converted
The fuse of the output termination SMD1812P050TF/30 models of circuit；The guarantor of the controlling switch circuit of each road delay output circuit
Dangerous silk F3, F4 etc., preferably 5A fuses, the triode of the preferred 2N3906 models of triode.Two points of each road delay circuit
The resistance of piezoresistance and pull-up resistor, preferably 10K Ω, each delay capacitor size are selected according to the time for being actually needed delay
Select.
Using it is above-mentioned according to desirable embodiment of the present utility model as enlightenment, pass through above-mentioned description, related work people
Member can carry out various changes and amendments without departing from the scope of the technological thought of the present invention' completely.This invention
Technical scope is not limited to the content on specification, it is necessary to determines its technical scope according to right.
Claims (11)
- A kind of 1. immunity analysis instrument power-supply system, it is characterised in that：Including first switch, first switch power supply, middle-position machine module, Second switch, second switch power supply and multi-channel time-delay output circuit；The first switch both ends are connected with alternating current and first switch power supply respectively；The first switch power supply exports first voltage V1, is powered to the middle-position machine module and second switch power supply；Described middle-position machine module one end connects second switch, and the other end connects the control terminal of the second switch power supply, according to institute The on off state for stating second switch controls the second switch electric power starting or closing；The second switch power supply includes control terminal, input and two output ends, and its input connects the first voltage V1, and two Output end exports the defeated of second voltage V2 and tertiary voltage V3, the second voltage V2 and each road delay output circuit respectively Enter end connection, the tertiary voltage V3 is connected with the control terminal of each road delay output circuit；Each road delay output circuit gives each load supplying of the immunity analysis instrument.
- 2. immunity analysis instrument power-supply system according to claim 1, it is characterised in that：Each road delay output circuit is equal Including a delay circuit and controlling switch；The control terminal of the delay output circuit is the delay circuit；The controlling switch Including control terminal, input and output end；The control of the controlling switch terminates the delay circuit, input termination described second Voltage V2, output terminate the immunity analysis instrument and loaded accordingly.
- 3. immunity analysis instrument power-supply system according to claim 2, it is characterised in that：The delay circuit includes a delay Pio chip, two divider resistances, pull-up resistor and delay capacitor；The delay pio chip includes input, earth terminal, power end, output end and delay capacitor end；Described two divider resistances are connected in series to form series-connection circuit, series-connection circuit one end ground connection, another termination The tertiary voltage V3；The input of the delay pio chip is terminated between described two divider resistances, described in power supply termination Tertiary voltage V3, output terminate the control terminal of the controlling switch, and delay capacitor terminates the delay capacitor；The delay capacitor The other end is grounded.
- 4. immunity analysis instrument power-supply system according to claim 3, it is characterised in that：The output of the delay pio chip End is also connected by a pull-up resistor with the tertiary voltage V3.
- 5. immunity analysis instrument power-supply system according to claim 3, it is characterised in that：Each road delay output circuit The delay capacitor size that pio chip connects that is delayed is incremented by successively.
- 6. immunity analysis instrument power-supply system according to claim 1, it is characterised in that：The second switch power supply includes one Main switching control and a voltage conversion circuit；The control terminal of the main switching control is connected by a resistance and the middle-position machine module Connect, input terminates the first voltage V1, and output end exports the second voltage V2, with the voltage conversion circuit and each road The input connection of delay output circuit；The output end of the voltage conversion circuit exports the tertiary voltage V3, and described each The control terminal connection of road delay output circuit.
- 7. immunity analysis instrument power-supply system according to claim 6, it is characterised in that：The voltage conversion circuit is DCDC Translation circuit.
- 8. according to the immunity analysis instrument power-supply system described in claim any one of 2-5, it is characterised in that：The controlling switch bag Include a triode, relay, diode, current-limiting resistance and fuse；The contact one of the relay terminates the input power supply of corresponding controlling switch, another termination fuse, passes through insurance Silk output power supply；Coil one end of the relay and the negative pole of diode simultaneously connect, and pass through the defeated of current-limiting resistance and corresponding controlling switch Enter to hold power supply to connect；The coil other end of the relay and the positive pole of diode simultaneously connect, and are connected with the triode；The triode is PNP type triode, and its base stage connects the control terminal of the controlling switch, emitter stage and the relay Coil connected with diode, grounded collector.
- 9. the immunity analysis instrument power-supply system according to claim 6 or 7, it is characterised in that：The main switching control includes One triode, relay, diode, current-limiting resistance and fuse；The contact one of the relay terminates the input power supply of corresponding main switching control, another termination fuse, passes through guarantor Dangerous silk output power supply；Coil one end of the relay and the negative pole of diode simultaneously connect, and pass through current-limiting resistance and corresponding main switching control Input power supply connects；The coil other end of the relay and the positive pole of diode simultaneously connect, and are connected with the triode；The triode is NPN type triode, and its base stage connects the control terminal of the main switching control, colelctor electrode and the relay The coil of device connects with diode, grounded emitter.
- 10. according to the immunity analysis instrument power-supply system described in claim any one of 1-7, it is characterised in that：The first switch The first voltage V1 of power supply output returns a load supplying of the immunity analysis instrument.
- 11. according to the immunity analysis instrument power-supply system described in claim any one of 1-7, it is characterised in that：The first voltage V1 is 24V, and the second voltage V2 is 24V, and the tertiary voltage V3 is 5V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721097195.1U CN207166368U (en) | 2017-08-30 | 2017-08-30 | Immunity analysis instrument power-supply system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721097195.1U CN207166368U (en) | 2017-08-30 | 2017-08-30 | Immunity analysis instrument power-supply system |
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| CN207166368U true CN207166368U (en) | 2018-03-30 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109428501A (en) * | 2017-08-30 | 2019-03-05 | 苏州长光华医生物医学工程有限公司 | Immunity analysis instrument power-supply system |
| CN113208539A (en) * | 2021-03-15 | 2021-08-06 | 三门康创电子科技有限公司 | Dish washing machine control circuit, dish washing machine and dish washing machine control method |
-
2017
- 2017-08-30 CN CN201721097195.1U patent/CN207166368U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109428501A (en) * | 2017-08-30 | 2019-03-05 | 苏州长光华医生物医学工程有限公司 | Immunity analysis instrument power-supply system |
| CN113208539A (en) * | 2021-03-15 | 2021-08-06 | 三门康创电子科技有限公司 | Dish washing machine control circuit, dish washing machine and dish washing machine control method |
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