CN104298274A - Temperature control system and temperature control method - Google Patents
Temperature control system and temperature control method Download PDFInfo
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- CN104298274A CN104298274A CN201310300866.XA CN201310300866A CN104298274A CN 104298274 A CN104298274 A CN 104298274A CN 201310300866 A CN201310300866 A CN 201310300866A CN 104298274 A CN104298274 A CN 104298274A
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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
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
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Abstract
The invention relates to the technical field of a large-screen touch all-in-one machine, and particularly relates to a temperature control system and a temperature control method. The temperature control system comprises a master control system, a temperature sensing circuit which detects temperature of the circuit board in the machine body, and a temperature control circuit which issues a temperature control instruction. The master control system controls the temperature sensing circuit and the temperature control circuit. The temperature control circuit comprises a power-off switch circuit for emergency power-off protection. The power-off switch circuit is a double-switch circuit comprising a drive circuit switch and an execution command switch. The drive circuit switch controls the execution command switch. Temperature of the circuit board can be monitored in real time so that the service life of the circuit board is guaranteed, damage to electronic parts and components can be prevented, fire hazard caused by over-temperature of the circuit board can be avoided, the execution command switch supplies power only when power is needed, and thus energy is saved.
Description
Technical field
The present invention relates to the technical field of touch all-in-one, particularly relate to temperature control system and the Temp. control method of infrared touch integrated machine.
Background technology
At present, touch one-piece machine is arranged on relatively to close or hang on the wall by user, its spacing is less, during work, circuit produces heat, and touch one-piece machine does not have the facility of control circuit plate temperature, long-play built-in temperature is too high, easily causes device failure, affects the components and parts life-span, factor such as burning breaking out of fire etc.Do not monitor and use fan exhaust by force, have noise, the invalid electricity of loss, not to judge heat dispersal situations.Some touch one-piece machine is also provided with temperature-controlled circuit, when temperature reaches setting value, can reduce power consumption output circuit board temperature is declined by temperature-controlled circuit.But during temperature overheating, even if there is very little power consumption in circuit, also can burn out circuit board.
Summary of the invention
The technical problem to be solved in the present invention is that body is overheated can not power-off in time, burns out circuit board, not enough for prior art, the invention provides a kind of temperature control system and Temp. control method.
The technical solution adopted for the present invention to solve the technical problems is: a kind of temperature control system, comprise master control system, detect the temperature sense circuit of body interior circuit board temperature, make the temperature control circuit of temperature control instruction, master control system control temperature sensor circuit and temperature control circuit, described temperature control circuit comprises the on-off circuit of emergency power off protection; Described on-off circuit comprises the biswitch circuit of driving circuit switch and fill order switch, driving circuit switch control rule fill order switch, and when temperature overheating, master control system disconnects body by cut-off switch and powers.
Further: in above-mentioned temperature control system, described driving circuit switch comprises the switch REL2 of J4 pin 6, Q6 and Q5 two-stage amplifier and the on/off driving power circuit accepting cut-offing instruction, and the collector of Q5 amplifier is connected with 3 pin of switch REL2; 8 pin of collector and switch REL1 that described fill order switch comprises Q4 amplifier and switch REL1, Q4 amplifier are connected.Described driving power circuit is the AC-DC that those skilled in the art commonly use, the circuit of direct current dividing potential drop again, final output LOW voltage, DC circuit.Described switch REL2 pin 5 exports L-OUT-A with the live wire of driving power circuit and is connected, and the pin one of switch REL1 is connected with the DC output end of driving power circuit.The base stage of described amplifier Q6 is provided with signal lag electric capacity C1, and the base stage of described amplifier Q4 is provided with signal lag electric capacity C9.Because master control system has an instruction delay, this delay capacitor just in time makes up this defect.
Described master control system is also connected with the display screen of in time display power cut-off information, timely like this power cut-off information is informed user.
Certainly, in above-mentioned temperature control system, described temperature control circuit also comprises cooling driving circuit.Described cooling driving circuit comprises the triode Q1 of the connector J4 pin 3 accepting instruction, the J8 connector connecting fan, control fan swicth, connector J4 pin 3 is connected with the base stage of triode Q1, and J8 connector pin 2 is connected with the collector of triode Q1.The base stage of triode Q1 is serially connected with divider resistance R1, and the base stage of triode Q1 also and be connected to two shunt resistance R2 and R3.R1, R2, R3 mainly play the effect of protection circuit.
The J5 connector that described temperature sense circuit comprises temperature inductor IC1, signal amplifier IC5 and is connected with master control system, the output terminal pin two of temperature inductor IC1 is connected with the pin 3 of amplifier IC5, and amplifier IC5 output terminal pin one is connected with connector J5.Or in in-plant Signal transmissions, the J5 connector that described temperature sense circuit comprises temperature inductor IC1, resistance R12 and is connected with master control system, temperature inductor IC1 is connected by R12 and J5 connector.
Further again: in above-mentioned temperature control system, described master control system is Android system.Described body is infrared touch all-in-one.
During work, the Temp. control method of above-mentioned temperature control system: step is,
A, power-off temperature is set in master control system, when temperature sense circuit detect body interior circuit board temperature reach power-off temperature time, master control system sends cut-offing instruction to cut-off switch circuit;
After B, cut-off switch circuit accept cut-offing instruction, driving circuit switch instruction fill order switch is done to disconnect action.
In described step B, driving circuit switch order fill order switch is done disconnection action and is referred to driving circuit switch opens, 5 pin of REL2 are connected with 2 pin, driving power circuit connects 1 pin of REL1, fill order switch, 2,3 pin of switch REL1 are connected, and 6,7 pin are connected, and the power supply of whole body disconnects.Described power-off temperature refers to the temperature of electronic devices and components easy burn-out in circuit board.
Or: the Temp. control method of above-mentioned temperature control system: step is,
A, power-off temperature is set in master control system, when temperature sense circuit detect body interior circuit board temperature reach power-off temperature time, master control system sends cut-offing instruction to cut-off switch circuit repeater panel display simultaneously power cut-off information;
After B, cut-off switch circuit accept cut-offing instruction, driving circuit switch instruction fill order switch is done to disconnect action.
In described step B, driving circuit switch order fill order switch is done disconnection action and is referred to driving circuit switch opens, 5 pin of REL2 are connected with 2 pin, driving power circuit connects 1 pin of REL1, fill order switch, 2,3 pin of switch REL1 are connected, and 6,7 pin are connected, and the power supply of whole body disconnects.Described power-off temperature refers to the temperature of electronic devices and components easy burn-out in circuit board.
Again or: the Temp. control method of above-mentioned temperature control system: step is,
A, cooling control temperature and power-off temperature is set respectively in master control system, when temperature sense circuit detect body interior circuit board temperature reach cooling control temperature time, master control system opens fan, to body heat dissipation for circuit board, when body circuit board temperature intermittently rise reach power-off temperature time, master control system sends cut-offing instruction to cut-off switch circuit simultaneously repeater panel display power cut-off information;
After B, cut-off switch circuit accept cut-offing instruction, driving circuit switch order fill order switch is done to disconnect action.
In described step B, driving circuit switch order fill order switch is done disconnection action and is referred to driving circuit switch opens, 5 pin of REL2 are connected with 2 pin, driving power circuit connects 1 pin of REL1, fill order switch, 2,3 pin of switch REL1 are connected, and 6,7 pin are connected, and the power supply of whole body disconnects.Described power-off temperature refers to the temperature of electronic devices and components easy burn-out in circuit board.
Implement technical scheme of the present invention, there is following Advantageous Effects:
When temperature overheating, master control system disconnects body by cut-off switch and powers, timely protection circuit plate, and fill order switch is not have electricity always, just powers when needs electricity consumption, economize energy; The present invention can the temperature of Real-Time Monitoring circuit board, ensure that the serviceable life of circuit board, prevents the damage of electronic devices and components, can not cause fire because circuit board temperature is too high.
Accompanying drawing explanation
Fig. 1 is the fundamental diagram of embodiment of the present invention one;
Fig. 2 is temperature sense circuit figure of the present invention
Fig. 3 is the circuit theory diagrams of fill order switch of the present invention;
Fig. 4 is the fundamental diagram of embodiment of the present invention two;
Fig. 5 is the fundamental diagram of embodiment of the present invention three;
Fig. 6 is the cooling control circuit figure of embodiment of the present invention three;
Embodiment
For the ease of it will be appreciated by those skilled in the art that below in conjunction with present pre-ferred embodiments and coordinating accompanying drawing, structure of the present invention and specific works method are described in detail as after.
Embodiment one: with reference to Fig. 1,2,3, a kind of temperature control system, comprise master control system, detect the temperature sense circuit of body interior circuit board temperature, make the temperature control circuit of temperature control instruction, master control system control temperature sensor circuit and temperature control circuit, described temperature control circuit comprises the cut-off switch circuit of emergency power off protection; Described cut-off switch circuit comprises the biswitch circuit of driving circuit switch and fill order switch, driving circuit switch control rule fill order switch.Described driving circuit switch comprises the switch REL2 of J4 pin 6, Q6 and Q5 two-stage amplifier and the on/off driving circuit accepting cut-offing instruction, and the collector of Q5 amplifier is connected with 3 pin of switch REL2; 8 pin of collector and switch REL1 that described fill order switch comprises Q4 amplifier and switch REL1, Q4 amplifier are connected.Described switch REL2 pin 5 inputs L-OUT-A with the live wire of driving power circuit and is connected, and the pin one of switch REL1 is connected with the DC output end of driving power circuit.The base stage of described amplifier Q6 is provided with signal lag electric capacity C1, and the base stage of described amplifier Q4 is provided with signal lag electric capacity C9.The J5 connector that described temperature sense circuit comprises temperature inductor IC1, signal amplifier IC5 and is connected with master control system, the output terminal pin two of temperature inductor IC1 is connected with the pin 3 of amplifier IC5, and amplifier IC5 output terminal pin one is connected with connector J5.The J5 connector that described temperature sense circuit comprises temperature inductor IC1, resistance R12 and is connected with master control system, temperature inductor IC1 is connected by R12 and J5 connector.Described master control system is Android system.Described body is infrared touch all-in-one.
During work, the Temp. control method of above-mentioned temperature control system is: temperature inductor IC1 detects the temperature in infrared touch integrated machine circuit board, exports electric signal, sends into signal and amplifies through amplifier IC5, then lead to connector J5, give Android system by line connected mode signal.Power-off protection control temperature 80 DEG C (components and parts hold flimsy temperature) is provided with in Android system; when Android system reading temperature arrives 80 DEG C; Android system exports an instruction driving circuit switch and opens signal by connector J4 pin 6 pin; deliver to Q6 and Q5 to amplify; 2,5 of control REL2 switch closes; connect AC AC signal is become direct current 5V by AC power supplies voltage by driving power circuit; direct current 5V is transported to fill order switch; control REL1 closes; the closed disconnection of 2 and 3,6 and 7, the power supply cutting off infrared touch integrated machine completes defencive function.
Embodiment two: with reference to Fig. 2,3,4, on the basis of embodiment one, described master control system is also connected with display screen.
During work, the Temp. control method of above-mentioned temperature control system is: temperature inductor IC1 detects the temperature in infrared touch integrated machine circuit board, exports electric signal, sends into signal and amplifies through amplifier IC5, then lead to connector J5, give Android system by line connected mode signal.Power-off protection control temperature 80 DEG C (components and parts hold flimsy temperature) is provided with in Android system; when Android system reading temperature arrives 80 DEG C; Android system is by LED LCDs display reminding character " built-in temperature is too high by power-off, please investigate heat extraction blocking ".After ten seconds, Android system exports an instruction driving circuit switch and opens signal by connector J4 pin 6 pin; deliver to Q6 and Q5 to amplify; 2,5 of control REL2 switch closes; connect AC AC signal is become direct current 5V by AC power supplies voltage by driving power circuit; direct current 5V is transported to fill order switch; control REL1 closes, and the closed disconnection of 2 and 3,6 and 7, the power supply cutting off infrared touch integrated machine completes defencive function.
Embodiment three: with reference to Fig. 2,3,5,6, on the basis of embodiment two, uniquely also include cooling driving circuit unlike described temperature control circuit.Described cooling driving circuit comprises the triode Q1 of the connector J4 pin 3 accepting instruction, the J8 connector connecting fan, control fan swicth, connector J4 pin 3 is connected with the base stage of triode Q1, and J8 connector pin 2 is connected with the collector of triode Q1.The base stage of triode Q1 is serially connected with divider resistance R1, and the base stage of triode Q1 also and be connected to two shunt resistance R2 and R3.
During work, the Temp. control method of above-mentioned temperature control system: temperature inductor IC1 detects the temperature in infrared touch integrated machine circuit board, exports electric signal, sends into signal and amplifies through amplifier IC5, then lead to connector J5, give Android system by line connected mode signal.Cooling control temperature 50 DEG C and power-off protection control temperature 80 DEG C (components and parts hold flimsy temperature) is provided with in Android system; when Android system read temperature rise to 50 DEG C time; Android system delivers to unlatching fan signal by connector 3 pin of J4; signal passes to starting fan switch Q5; connect and supply power to the socket J8 connecting fan, fan turns.Fan is opened rear infrared touch integrated machine circuit board temperature and is still risen, and when Android system reading temperature arrives 80 DEG C, then Android system circuit is by LED LCDs display reminding character " built-in temperature is too high by power-off, please investigate heat extraction blocking ".After ten seconds, Android system circuit exports a command switch driving circuit folding signal by connector J4 pin 6 pin; deliver to Q6 and Q5 to amplify; 2,5 of control REL2 switch closes; connect AC AC signal is become direct current 5V by AC power supplies voltage by switch driving circuit; direct current 5V is transported to fill order switch; control REL1 closes, and the closed disconnection of 2 and 3,6 and 7, the power supply cutting off infrared touch integrated machine completes defencive function.
It should be noted that, these are only preferred embodiment of the present invention, do not departing under concept thereof of the present invention, any subtle change do the present invention and equivalent replacement, all belong to protection scope of the present invention.
Claims (16)
1. a temperature control system, comprise master control system, detect the temperature sense circuit of body interior circuit board temperature, make the temperature control circuit of temperature control instruction, master control system control temperature sensor circuit and temperature control circuit, is characterized in that: described temperature control circuit comprises the cut-off switch circuit of emergency power off protection; Described cut-off switch circuit comprises the biswitch circuit of driving circuit switch and fill order switch, driving circuit switch control rule fill order switch.
2. according to the temperature control system that claim 1 is stated, it is characterized in that: described driving circuit switch comprises the switch REL2 of J4 pin 6, Q6 and Q5 two-stage amplifier and the on/off driving circuit accepting cut-offing instruction, and the collector of Q5 amplifier is connected with 3 pin of switch REL2; 8 pin of collector and switch REL1 that described fill order switch comprises Q4 amplifier and switch REL1, Q4 amplifier are connected.
3. temperature control system according to claim 2, is characterized in that: described switch REL2 pin 5 inputs L-OUT-A with the live wire of driving power circuit and is connected, and the pin one of switch REL1 is connected with the DC output end of driving power circuit.
4. temperature control system according to claim 3, is characterized in that: the base stage of described amplifier Q6 is provided with signal lag electric capacity C1, and the base stage of described amplifier Q4 is provided with signal lag electric capacity C9.
5. temperature control system according to claim 4, is characterized in that: described master control system is also connected with the display screen of display power cut-off information in time.
6. temperature control system according to claim 1, is characterized in that: described temperature control circuit also includes cooling driving circuit.
7. temperature control system according to claim 6, it is characterized in that: described cooling driving circuit comprises the triode Q1 of the connector J4 pin 3 accepting instruction, the J8 connector connecting fan, control fan swicth, connector J4 pin 3 is connected with the base stage of triode Q1, and J8 connector pin 2 is connected with the collector of triode Q1.
8. temperature control system according to claim 1, it is characterized in that: the J5 connector that described temperature sense circuit comprises temperature inductor IC1, signal amplifier IC5 and is connected with master control system, the output terminal pin two of temperature inductor IC1 is connected with the pin 3 of amplifier IC5, and amplifier IC5 output terminal pin one is connected with connector J5.
9. temperature control system according to claim 1, is characterized in that: the J5 connector that described temperature sense circuit comprises temperature inductor IC1, resistance R12 and is connected with master control system, and temperature inductor IC1 is connected by R12 and J5 connector.
10. according to the temperature control system in claim 1-9 described in any one, it is characterized in that: described master control system is Android system.
11., according to the temperature control system in claim 1-9 described in any one, is characterized in that: described body is infrared touch all-in-one.
12. 1 kinds of Temp. control methods according to the temperature control system in claim 1-4 described in any one: step is,
A, power-off temperature is set in master control system, when temperature sense circuit detect body interior circuit board temperature reach power-off temperature time, master control system sends cut-offing instruction to cut-off switch circuit;
After B, cut-off switch circuit accept cut-offing instruction, driving circuit switch instruction fill order switch is done to disconnect action.
The Temp. control method of 13. 1 kinds of temperature control systems according to claim 5: step is,
A, power-off temperature is set in master control system, when temperature sense circuit detect body interior circuit board temperature reach power-off temperature time, master control system sends cut-offing instruction to cut-off switch circuit repeater panel display simultaneously power cut-off information;
After B, cut-off switch circuit accept cut-offing instruction, driving circuit switch order fill order switch is done to disconnect action.
The Temp. control method of 14. 1 kinds of temperature control systems according to claim 6-9 any one: step is,
A, cooling control temperature and power-off temperature is set respectively in master control system, when temperature sense circuit detect body interior circuit board temperature reach cooling control temperature time, master control system opens fan, to body heat dissipation for circuit board, when body circuit board temperature continue rising reach power-off temperature time, master control system sends cut-offing instruction to cut-off switch circuit simultaneously repeater panel display power cut-off information;
After B, cut-off switch circuit accept cut-offing instruction, driving circuit switch instruction fill order switch is done to disconnect action.
15. according to the Temp. control method in claim 12-14 described in any one, it is characterized in that: in described step B, driving circuit switch order fill order switch is done disconnection action and is referred to driving circuit switch opens, 5 pin of REL2 are connected with 2 pin, driving power circuit connects 1 pin of REL1, fill order switch, and 2,3 pin of switch REL1 are connected, 6,7 pin are connected, and the power supply of whole body disconnects.
16., according to the Temp. control method in claim 12-14 described in any one, is characterized in that: described power-off temperature refers to the temperature of electronic devices and components easy burn-out in circuit board.
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| CN201310300866.XA CN104298274B (en) | 2013-07-17 | 2013-07-17 | A kind of temperature control system and Temp. control method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105589382A (en) * | 2015-12-22 | 2016-05-18 | 江阴市辉龙电热电器有限公司 | Heater alarm and control module |
| CN106024515A (en) * | 2016-06-22 | 2016-10-12 | 宁波市艾亿赛热保护科技有限公司 | Heat temperature abnormity protector with high measuring accuracy and good electrical conductivity |
| CN106101906A (en) * | 2016-08-16 | 2016-11-09 | 歌尔股份有限公司 | A kind of digital earphone |
| CN108845652A (en) * | 2018-07-03 | 2018-11-20 | 合肥科塑信息科技有限公司 | A kind of computer hardware overtemperature protection system |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1164770A (en) * | 1996-05-02 | 1997-11-12 | 刘卫方 | Temp. controlled power-off protective and alarm circuit |
| US5852539A (en) * | 1996-06-26 | 1998-12-22 | Deere & Company | Overheat circuit for a utility vehicle |
| CN2555482Y (en) * | 2002-04-26 | 2003-06-11 | 王曦宁 | Intelligent controller of electrothermal water heater |
| CN2600024Y (en) * | 2003-03-07 | 2004-01-21 | 深圳市和而泰电子科技有限公司 | Controller of coffee pot |
| CN1794528A (en) * | 2005-12-09 | 2006-06-28 | 张家港华捷电子有限公司 | Grounding failure breaker |
| CN202331082U (en) * | 2011-11-21 | 2012-07-11 | 陈国鑫 | External automatic controller for electric food warmer |
| CN202799231U (en) * | 2012-09-27 | 2013-03-13 | 深圳市佳运通电子有限公司 | IGBT high-power module control circuit |
| KR101282782B1 (en) * | 2011-09-15 | 2013-07-05 | 린나이코리아 주식회사 | Apparatus for Overheating Prevention of Electric Fryer |
-
2013
- 2013-07-17 CN CN201310300866.XA patent/CN104298274B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1164770A (en) * | 1996-05-02 | 1997-11-12 | 刘卫方 | Temp. controlled power-off protective and alarm circuit |
| US5852539A (en) * | 1996-06-26 | 1998-12-22 | Deere & Company | Overheat circuit for a utility vehicle |
| CN2555482Y (en) * | 2002-04-26 | 2003-06-11 | 王曦宁 | Intelligent controller of electrothermal water heater |
| CN2600024Y (en) * | 2003-03-07 | 2004-01-21 | 深圳市和而泰电子科技有限公司 | Controller of coffee pot |
| CN1794528A (en) * | 2005-12-09 | 2006-06-28 | 张家港华捷电子有限公司 | Grounding failure breaker |
| KR101282782B1 (en) * | 2011-09-15 | 2013-07-05 | 린나이코리아 주식회사 | Apparatus for Overheating Prevention of Electric Fryer |
| CN202331082U (en) * | 2011-11-21 | 2012-07-11 | 陈国鑫 | External automatic controller for electric food warmer |
| CN202799231U (en) * | 2012-09-27 | 2013-03-13 | 深圳市佳运通电子有限公司 | IGBT high-power module control circuit |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105589382A (en) * | 2015-12-22 | 2016-05-18 | 江阴市辉龙电热电器有限公司 | Heater alarm and control module |
| CN106024515A (en) * | 2016-06-22 | 2016-10-12 | 宁波市艾亿赛热保护科技有限公司 | Heat temperature abnormity protector with high measuring accuracy and good electrical conductivity |
| CN106101906A (en) * | 2016-08-16 | 2016-11-09 | 歌尔股份有限公司 | A kind of digital earphone |
| CN108845652A (en) * | 2018-07-03 | 2018-11-20 | 合肥科塑信息科技有限公司 | A kind of computer hardware overtemperature protection system |
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Address after: 100000 room C, block C1104, No. 9, 3rd Street, Beijing, Haidian District Patentee after: Hitevision Polytron Technologies Inc Address before: 100000 room C, block C1104, No. 9, 3rd Street, Beijing, Haidian District Patentee before: HONGHE TECHNOLOGY CO., LTD. |
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Effective date of registration: 20210624 Address after: Room c1102, 10 / F, block C, 9 Shangdi 3rd Street, Haidian District, Beijing Patentee after: New line Technology Co.,Ltd. Address before: Room c1104, block C, 9 Shangdi 3rd Street, Haidian District, Beijing Patentee before: HITEVISION Co.,Ltd. |