CN2160939Y - Automatic temp. -regulating lifting microcomputer safe - Google Patents
Automatic temp. -regulating lifting microcomputer safe Download PDFInfo
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- CN2160939Y CN2160939Y CN 93238351 CN93238351U CN2160939Y CN 2160939 Y CN2160939 Y CN 2160939Y CN 93238351 CN93238351 CN 93238351 CN 93238351 U CN93238351 U CN 93238351U CN 2160939 Y CN2160939 Y CN 2160939Y
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- control circuit
- cabinet
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- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 14
- 230000007246 mechanism Effects 0.000 claims abstract description 14
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 14
- 239000010703 silicon Substances 0.000 claims abstract description 14
- 239000004065 semiconductor Substances 0.000 claims abstract description 9
- 238000005057 refrigeration Methods 0.000 claims abstract description 7
- 238000009529 body temperature measurement Methods 0.000 claims abstract description 5
- 239000011521 glass Substances 0.000 claims description 7
- 239000004020 conductor Substances 0.000 claims description 5
- 230000010363 phase shift Effects 0.000 claims description 5
- 238000007493 shaping process Methods 0.000 claims description 4
- 230000000630 rising effect Effects 0.000 claims description 3
- 230000007423 decrease Effects 0.000 claims 1
- 230000005611 electricity Effects 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 abstract description 5
- 230000008901 benefit Effects 0.000 abstract description 2
- 230000008859 change Effects 0.000 abstract description 2
- 230000008878 coupling Effects 0.000 abstract 1
- 238000010168 coupling process Methods 0.000 abstract 1
- 238000005859 coupling reaction Methods 0.000 abstract 1
- 238000000151 deposition Methods 0.000 abstract 1
- 239000000428 dust Substances 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 238000004378 air conditioning Methods 0.000 description 2
- 230000003321 amplification Effects 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 241000220317 Rosa Species 0.000 description 1
- 238000002679 ablation Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000013523 data management Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000036581 peripheral resistance Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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Abstract
The utility model discloses a sealed control by temperature change room and temperature control circuit for depositing the computer host computer, it still has a lifting table who places the computer peripheral hardware and supports, lift actuating mechanism its characterized in that, and temperature control circuit includes reference source, temperature measurement electric bridge, difference amplifier, follower, comparison amplifier, silicon controlled rectifier trigger control circuit, the control signal of circuit output is all the way through pulse transformer coupling to semiconductor refrigeration pile supply circuit control pile supply current's size, another way drive control electric heater's break-make. The utility model has the advantages of automatic lifting is steady, the constant temperature range is wide, the digital display temperature value, it is dustproof etc.
Description
The utility model relates to and a kind ofly is particularly suitable for that financial industry uses, and has the automatic temperature-control microcomputer safety cabinet of self-powered platform.
Financial industry has adopted microcomputer to carry out data management mostly, at present, increasing unit require to its employed microcomputer prevent dust, antitheft, temperature control protection, to guarantee the operate as normal of microcomputer, prevent losing of data.National standard according to relevant calculation machine external environment condition; usually take to set up dustproof air conditioning chamber microcomputer is carried out temperature control and proofing dust and protecting; this measure investment is very big; therefore had the device that microcomputer is carried out whole protecting in the prior art; as application number be 90218640.X patent disclosure a kind of " microcomputer semiconductor temperature shield assembly that prevents dust; the rectifier power source that this device is used by the power supply heap; semiconductor pile; throw over relay; the temperature-sensitive thermistor is formed and cooperated hot box to use; can realize the temperature control to the microcomputer main frame; dustproof; shielding; structure is comparatively simple, but concludes still in following deficiency:
1, can not solve dustproof, the antitheft problem of external units such as computer display, keyboard;
2, owing to the semiconductor pile that adopts is directly powered with rectifier power source, and the voltage of pile input end can not be able to electric putting in order automatically with the main frame variation of temperature, and temperature-controlled precision is low; Since big electric current between pile is long-term, work at full capacity, and starting is frequent, has influenced the serviceable life of pile; In addition, pile both had been used for refrigeration, was used for heating again, also will influence the serviceable life of pile;
3, the temperature control scope can not be regulated, and does not have the digital temperature Presentation Function, is difficult to satisfy user's the temperature control condition and the reliability of system.In addition, owing to adopt the relay temperature control, mechanical contact occurs ablation, oxidation, the defective of loose contact occurs;
4, this device is not provided with the forced air cooling blower fan, and the hot-side heat dissipation device can not dispel the heat fully during work, and the cold junction heating radiator can not absorb heat effectively, causes the complete machine inefficiency, can not satisfy user's actual needs fully.
The purpose of this utility model is to overcome the prior art above shortcomings, and provide a kind of main frame is realized that the full-automatic temperature-controlling protection adds temperature and shows, peripheral hardware is realized the lifting antitheft automatic temperature-control lifting microcomputer safety cabinet that prevents dust automatically.
Above-mentioned purpose of the present utility model is to realize by such structure, be that it comprises a sealing temperature controlled compartment and a temperature control circuit thereof that is used to deposit main frame, it is characterized in that it also has a self-powered platform, it is controlled by lift drive mechanism, and by with the stent support of driving mechanism one; Wherein, driving mechanism is by main driver part, constitute from driver part, main driver part is by motor, the main worm gear case that drives is formed, main drive worm gear case with the power of motor output by worm screw be 90 ° of directions pass to its left and right from driver part promptly from driving worm gear case, be 90 ° of directions again by its worm screw power and pass on the gear that is fixed on its two ends, these four gears and the tooth bar engagement that is fixed on four angles in the cabinet; Temperature control circuit is that such structure enough becomes, be that it is by reference source circuit, survey the electric bridge differential amplifier circuit, follower circuit, the comparison amplifier circuit, the controllable silicon trigger control circuit is formed, wherein bridge for measuring temperature contains temperature detecting resistance, the temperature measurement signal of its output is after differential amplifier circuit amplifies, one the tunnel is directly shown by display through follower circuit, and realize the setting of ceiling temperature by last comparison amplifier circuit, relatively reach the adjustment of gain, this ceiling temperature comparison signal is admitted to the controllable silicon trigger control circuit, through phase shift, shaping is after pulse transformer is coupled to conductor refrigeration pile feed circuit are controlled the pile supply current by the size that changes silicon controlled conduction angle in the circuit size; By the adjustment of setting, comparison and the gain of comparison amplifier circuit realization lower limit temperature under another route of temperature measurement signal after the differential amplifier amplification, the break-make of drive controlling electric heater.
The embodiment of the indefiniteness that the utility model one said structure can provide by accompanying drawing further specifies.
The utility model has following accompanying drawing:
Accompanying drawing 1 is user mode figure of the present utility model;
Accompanying drawing 2 is a front view of the present utility model;
Accompanying drawing 3 is the B-B cut-away view of Fig. 2;
Accompanying drawing 4 is the left side cut-away view of the utility model user mode;
Accompanying drawing 5 is the A-A cut-away view of Fig. 2;
Accompanying drawing 6 is the C-C cut-away view of Fig. 2;
Accompanying drawing 7 is the rear view of the utility model temperature controlled compartment;
Accompanying drawing 10 is a controllable silicon trigger control circuit schematic diagram;
Accompanying drawing 11 temperature control display circuit figure.
Referring to Fig. 1-5, the utility model is for placing the self-powered platform part and the main frame temperature controlled compartment cabinet dimerous of microcomputer peripheral hardware, self-powered platform 17 is by driving elevating mechanism control, and by with the stent support of driving mechanism one, wherein, the main drive part that driving mechanism is made of drive motor 20 and first-stage worm gear case 21, the second-stage worm gear case is formed from drive part, first-stage worm gear case 21 passes to second-stage worm gear case 22 with the motor outputting power through 90 °, the gear that its drive is fixed on the worm screw two ends rises or descends along the tooth bar 16 that is fixed on interior four jiaos of cabinet, owing on the extreme position that rises or descend, limit switch is installed, makes the worktable liter, automatically stop after dropping to the position.One strut---slide way mechanism 15 is arranged on the self-powered platform face, and wherein, an end of strut is fixed on the work top, and the other end is positioned at the fixing chute of glass cover, and glass cover 14 1 ends and cabinet are hinged; There is an a chain of folding door 2 in the front of cabinet, and its bottom is connected with the support of worktable.When worktable rose, strut---slide way mechanism 15 was with glass cover-plate jack-up; Meanwhile, chain of rings door 2 is lifted into the folding shape from the bottom, at this moment, promptly form one under the worktable and enough allow operating personnel stretch the space of its limbs; When worktable descended, strut one slide way mechanism drove the glass door closure, and a chain of door 2 also launches thereupon, and at this moment, the outer space that promptly places a closure such as the display of microcomputer, keyboard, printer can't be touched other people, is beneficial to dustproof and antitheft.The electric up-down of worktable is by 3 controls of control button group, side at cabinet has a bar hole just in time to face toward the hexagonal termination 19 of the one-level worm screw in the cabinet, when make because of outage or other reason work it 17 can not lifting the time, tubular key and rocking handle are enclosed within on this hexagonal termination 19, just can realize manual rising or step-down operation.
Referring to Fig. 1, Fig. 2, Fig. 6, Fig. 7, temperature controlled compartment is divided into upper and lower two-layer, and it is glass door 4 with lock that main frame 8 its fronts are placed on the upper strata, as seen the control panel 5 of the temperature controlled compartment in its lower floor.Lock control power switch 6 is arranged on the control panel 5, the temperature device for digit-displaying, " pre-amount " reaches " measurement " pilot lamp 9, " preset " and reach " measurement " options button 10, " upper limit " reaches " lower limit " and presets pilot lamp 11, and " upper limit " reaches " lower limit " options button 12, and " upper limit " reaches " lower limit " adjustment hole W
5And W
6There is general supply plug 23 at the back side of temperature controlled compartment lower floor, protective tube 24, stabilized voltage supply input end 25, safety ground terminal 26; The back side on temperature controlled compartment upper strata is mounted with hot-side heat dissipation device 28,29, two hot junctions of semiconductor cooler fan M
1, 31, two cold junction fans of two alternating current generators M
2, cold-side heat exchanger 33, resistance heater 34, one deck silk screen 27 is arranged at the temperature controlled compartment bottom.
Referring to Fig. 8, the temperature adjustment control circuit mainly comprises reference source circuit 35, bridge for measuring temperature 36, differential amplifier circuit 37, follower circuit 38, comparison amplifier circuit 39A, 39B, trigger circuit 40.The temperature variation signal of bridge for measuring temperature output is after differential amplifier 37 amplifies, one the tunnel is directly shown by display 7 through follower 38, and realize the setting of ceiling temperature by last comparison amplifier 39A, relatively reach the adjustment of gain, this upper limit comparison signal is admitted to controllable silicon trigger control circuit 40, and through phase shift, shaping is after pulse transformer is coupled to conductor refrigeration pile feed circuit 41, by changing the size of silicon controlled conduction angle in this circuit, the size of control pile supply current; Pass through the break-make of comparison amplifier 39B drive controlling electric heater 34 down by another road of temperature measurement signal after differential amplifier 37 amplifications.In practical operation, if will preset/measure key 10 and be transformed into preset position, on/the lower limit options button is in the lower position, promptly realizes the given control of lower limit temperature; If be transformed on the given control circuit of the upper limit, promptly realize the given control of ceiling temperature.
Referring to Fig. 9, this circuit is by main power transformer T
1, ZP
1, ZP
2And KP
1, KP
2The half control bridge that constitutes, overvoltage crowbar R
0, C
0, R
02, C
02, electric current device L, capacitor C
03The feed circuit and the main circuit WK that form conductor refrigeration pile 29 constitute; Main power transformer T
1Secondary output 50V voltage is through 2CZ commutation diode ZP
1, ZP
2, 3CT controllable silicon KP
1, KP
2The half control rectification, reactor L, capacitor C
03Filtering is exported a smooth dc voltage signal for 29 work of semiconductor pile, C
01, C
02, R
01, R
02Form resistance capaciting absorpting circuit, guarantee the controllable silicon operate as normal.T
2For the control power transformer, mainly finish the power supply of temperature adjustment control circuit, display; T
3Be pulse transformer, finish the controllable silicon trigger control circuit in the temperature adjustment control circuit and the signal transmission and the voltage isolation of conductor refrigeration pile feed circuit.M
1And M
2For temperature controlled compartment forced convection fan, be parallel to T
1Elementary, when the semiconductor pile is worked, connect fan simultaneously, to guarantee the cross-ventilation in the temperature controlled compartment.K
1-1Be the normally opened contact of heating relay K, the back of connecting with resistive heater 34 is connected in parallel on 220 power supplys with fan.
Referring to Figure 10,1A in this circuit
1Operational amplifier and R
1～3And D
1Form synchronous circuit and square-wave, its power supply bridge is held from T by 3-1
2Obtain the synchronizing signal of 16V after rectification; 1A
2Operational amplifier and peripheral cell R thereof
4, R
5, D
2, D
3, C
1Form sawtooth-wave circuit.Temperature control signals is by X
1-1 end passes through R
5And 1A
3The reverse input end input of the phase-shift circuit that operational amplifier constitutes, the square-wave signal of phase shift shaping is through big device of 1A4 computing and R
1～8The pulse square wave of the monostable circuit output rule that constitutes is again by triode BG
1, BG
2Compound driving is finished the pulse output of 2-1 end, 2-2 end, at last by T
3Pulse transformer is coupled to the KP in the pile feed circuit
1, KP
2Silicon controlled control utmost point G
1, G
2On, realize the adjustment of semiconductor pile input terminal voltage.The 1-2 end is the common of circuit among the figure, and the 1-3 end is-V
CC, 2-1 end, 2-2 end are the output terminal of temperature control trigger pip, with pulse transformer T
3Elementary connection.
Referring to Figure 11, temperature control display circuit comprises reference power supply, temperature detecting resistance bridge, differential amplifier, follower, comparison amplifier, driving amplifier, and wherein reference power supply is by general-purpose operation amplifier 2A, resistance R
15, R
16, W
1, W
2Constitute, for follow-up electronic circuit provides reference voltage; R
17-20, W
3Constitute bridge for measuring temperature with measuring resistance RT; Differential amplifier is made of end drift integrated circuit OP-07 and peripheral resistance thereof, adjusts W
4Can change the output end signal amplitude; Comparison amplifier is by general-purpose operation amplifier 4A
2And W
7Constitute, mainly realize setting, comparison, the output of ceiling temperature, the adjustment of trigger pip gain.Operational amplifier 4A
3Be the lower limit driver, in-phase end directly links to each other with reference voltage signal, lower limit set signal, through 4A
1The temperature signal of follower output and lower limit set value comparison are promptly passed through BG if be lower than design temperature
3The action of driving relay K is connected electric heater and is heated.
The thermometric process of circuit is such: temperature detecting resistance RT is in the time of 0 ℃, the resistance bridge balance, 3A differential amplifier no-output, when if the temperature of temperature controlled compartment is greater than or less than 0 ℃, the measuring bridge out of trim, output and the proportional signal of temperature control indoor temperature after differential amplifier 3A amplifies, connect the uP313 display by the output of 4A1 follower and directly show the measurement temperature.
Compare with prior art, the utility model has following characteristics and advantage:
1, set up liftable workbench, the peripheral hardwares such as the display screen of microcomputer, keyboard, printer can have been dropped in the cabinet, made it be in dustproof, antitheft closed state.
2, adopted automatic temperature control circuit, by the variation size of temperature signal, Control on the one hand the size of thyristor operating angle in the pile power supply circuits, make pile with the variation of ceiling temperature Automatic-cooling, electric heater is heated automatically with the variation of lower limit temperature.
3, use the utility model, can make the microcomputer user save the huge investment of setting up dustproof air conditioning chamber, its expense is less than being provided with 1/7 of machine room total expenses, and power consumption is that below 1/30 of machine room power consumption is set, and can satisfy four seasons constant temperature, constant humidity, dustproof requirement.
The utility model can make that microcomputer is big in temperature variation, many dirt etc. use in than rugged environment, can strengthen the responsibility keeping of microcomputer and improve serviceable life, except that being used for financial unit, also is applicable to the place that other microcomputer uses.
Claims (2)
1, a kind of automatic temperature-control lifting microcomputer safety cabinet, it comprises the temperature controlled compartment, temperature control circuit and the semiconductor pile that are used to deposit main frame, it is characterized in that it also has one by lift drive mechanism control, and by with the self-powered platform (17) of the stent support of driving mechanism one; Wherein, lift drive mechanism is by main driver part, constitute from driver part, main driver part is made up of motor (20), the main worm gear case (21) that drives, main drive worm gear case with the power of motor output be 90 ° pass to its left and right from driver part promptly from driving worm gear case (22), by its worm screw power is 90 ° and passes on the gear (18) that is fixed on its two ends, this gear and tooth bar (16) engagement that is fixed on four angles in the cabinet; Temperature control circuit is by reference source circuit (35), bridge for measuring temperature (36), differential amplifier circuit (37), follower circuit (38), comparison amplifier circuit (39A, 39B), controllable silicon trigger control circuit (40) is formed, wherein bridge for measuring temperature contains measuring resistance RT, the measuring-signal of its output is after differential amplifier circuit amplifies, one the tunnel is directly shown by display (7) through follower circuit, and by the setting of last comparison amplifier circuit 39A realization to ceiling temperature, relatively reach the adjustment of gain, this ceiling temperature comparison signal is admitted to the controllable silicon trigger control circuit, through phase shift, shaping is after pulse transformer T
3Be coupled to the feed circuit (41) of conductor refrigeration pile (29), by changing this circuit controllable silicon KP
1, KP
2The size of conduction angle, and the size of control pile supply current; Comparison amplifier 39B realizes the setting to lower limit temperature under another route of temperature measurement signal after differential amplifier amplifies, relatively and the electricity of gain whole, and the break-make of drive controlling electric heater (34).
2, microcomputer safety cabinet according to claim 1, it is characterized in that on self-powered platform (17) table top strut being arranged---slide way mechanism (15), wherein an end of strut is fixed on the work top, the other end is positioned at and the fixing chute of dustproof glass lid (14), dustproof glass lid (14) one ends and cabinet (1) are hinged,, descended and cover by strut jack-up with the rising of worktable with worktable with cabinet; There is an a chain of folding door (2) in the front of cabinet, and its bottom is connected with the support of self-powered platform, and folding launches with its decline with the worktable rising.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93238351 CN2160939Y (en) | 1993-03-19 | 1993-03-19 | Automatic temp. -regulating lifting microcomputer safe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93238351 CN2160939Y (en) | 1993-03-19 | 1993-03-19 | Automatic temp. -regulating lifting microcomputer safe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2160939Y true CN2160939Y (en) | 1994-04-06 |
Family
ID=33813099
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 93238351 Expired - Fee Related CN2160939Y (en) | 1993-03-19 | 1993-03-19 | Automatic temp. -regulating lifting microcomputer safe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2160939Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107528522A (en) * | 2017-09-06 | 2017-12-29 | 惠州市合之宝环境设备有限公司 | Air-conditioning temperature control alignment circuit system |
| CN111111019A (en) * | 2019-12-25 | 2020-05-08 | 北京森科医药有限公司 | Protective device for heating radiopharmaceuticals |
-
1993
- 1993-03-19 CN CN 93238351 patent/CN2160939Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107528522A (en) * | 2017-09-06 | 2017-12-29 | 惠州市合之宝环境设备有限公司 | Air-conditioning temperature control alignment circuit system |
| CN111111019A (en) * | 2019-12-25 | 2020-05-08 | 北京森科医药有限公司 | Protective device for heating radiopharmaceuticals |
| CN111111019B (en) * | 2019-12-25 | 2021-10-19 | 北京森科医药有限公司 | Protective device for heating radiopharmaceuticals |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |