阅读说明：本技术 供液装置、样本分析仪及供液方法 (Liquid supply device, sample analyzer and liquid supply method ) 是由 颜卫卫 吴万 石汇林 刘隐明 于 2018-06-28 设计创作，主要内容包括：一种供液装置,包括第一用液组件(1)及连接第一用液组件(1)的第一储液池(2)和备用储液组件(3),第一储液池(2)用于为第一用液组件(1)供液,备用储液组件(3)在第一储液池(2)内液体不足时为第一用液组件(1)供液。本发明的供液装置能够连续供液。本发明还公开一种包括供液装置的样本分析仪及一种供液方法。(liquid supply device, including th liquid module (1), th liquid storage tank (2) and spare liquid storage tank (3) connected with th liquid module (1), th liquid storage tank (2) is used for supplying liquid to th liquid module (1), spare liquid storage tank (3) is used for supplying liquid to th liquid module (1) when the liquid in th liquid storage tank (2) is insufficient, the liquid supply device of the invention can supply liquid continuously, sample analyzers including liquid supply device and liquid supply methods are also disclosed.)

A liquid supply device, comprising a th liquid supply component, a th liquid storage tank and a spare liquid storage component, wherein the th liquid storage tank is connected with the th liquid supply component, the th liquid storage tank is used for supplying liquid to the th liquid supply component, and the spare liquid storage component is used for supplying liquid to the th liquid supply component when the th liquid storage tank is lack of liquid.

The liquid supply apparatus as claimed in claim 1, wherein the th reservoir is connected to the backup reservoir assembly for supplying liquid to the backup reservoir assembly.

The liquid supply apparatus as claimed in claim 1 or 2, wherein a th switching member is provided between the th liquid storage tank and the th liquid consuming assembly, and the spare liquid storing assembly is connected between the th switching member and the th liquid consuming assembly.

The liquid supply apparatus as claimed in claim 1 or 2, wherein a th switching member and a second switching member are provided between the th liquid storage tank and the th liquid consuming assembly, the spare liquid storage tank assembly is connected between the th switching member and the second switching member, the th switching member is used for realizing connection or disconnection, and the second switching member is used for realizing connection or disconnection.

The liquid supply apparatus as claimed in claim 1, wherein the reserve reservoir assembly comprises an injector and a drive for driving the injector.

The liquid supply apparatus as claimed in claim 1, wherein the spare liquid storage assembly comprises a fixed displacement pump and a third switch, a liquid chamber of the fixed displacement pump is connected with the th liquid usage assembly, an air chamber of the fixed displacement pump is connected with the third switch, and when the air chamber is communicated with a th positive pressure source through the third switch, the th positive pressure source pushes the liquid in the liquid chamber into the th liquid usage assembly.

The liquid supply apparatus as claimed in claim 6, further comprising a fourth switch connected to the th liquid reservoir and the liquid chamber connected to the th liquid reservoir, wherein when the air chamber is connected to the atmosphere or a th negative pressure source through the third switch, the th liquid reservoir is connected to a second positive pressure source through the fourth switch, and the second positive pressure source pushes the liquid in the th liquid reservoir into the liquid chamber.

The liquid supply apparatus of claim 1, further comprising a reagent tank connected to the th reservoir, wherein when the th reservoir is connected to a second negative pressure source, liquid in the reagent tank enters the th reservoir under the action of a pressure differential.

The liquid supply device as claimed in claim 8, wherein a fifth switch is provided between the th liquid storage tank and the reagent barrel, and the fifth switch is used for connecting or disconnecting the th liquid storage tank and the reagent barrel.

The liquid supply apparatus as claimed in claim 8, further comprising a second liquid assembly, a second liquid storage tank, a liquid supplementing assembly and a sixth switching member, wherein the second liquid storage tank is connected to the second liquid assembly and is used for supplying liquid to the second liquid assembly, and the liquid supplementing assembly is connected to the second liquid storage tank and the reagent barrel through the sixth switching member;

the sixth switching piece is used for communicating the fluid infusion assembly with the reagent barrel so that the fluid infusion assembly extracts the liquid in the reagent barrel, or communicating the fluid infusion assembly with the second liquid storage tank so that the fluid infusion assembly injects the liquid in the fluid infusion assembly into the second liquid storage tank.

The liquid supply apparatus of claim 10, wherein the fluid replacement assembly comprises a syringe or a dosing pump.

The liquid supply apparatus as claimed in claim 10, further comprising a pressure sensor connected to the second reservoir for detecting a pressure value in the second reservoir, and a seventh switch connected to the second reservoir;

and when the pressure value is greater than the preset value, the seventh switching piece is communicated with the second liquid storage tank to atmosphere or a third negative pressure source.

The liquid supply apparatus as claimed in claim 12, wherein a flow restriction is provided at an interface of the seventh switching member for connecting to the atmosphere or a third negative pressure source, and the flow restriction is configured to release a part of the pressure in the second reservoir.

liquid supply device, characterized by comprising a second liquid component, a second liquid storage tank, an injector, a sixth switching piece and a reagent barrel, wherein the second liquid storage tank is connected with the second liquid component and is used for supplying liquid for the second liquid component, and the injector is connected with the second liquid storage tank and the reagent barrel through the sixth switching piece;

the sixth switching piece is used for communicating the syringe with the reagent barrel so that the syringe extracts the liquid in the reagent barrel, or communicating the syringe with the second liquid storage tank so that the syringe injects the liquid in the syringe into the second liquid storage tank.

sample analyzer, comprising a liquid supply device as claimed in any one of claims 1-14 to .

a method of supplying liquid, comprising:

pouring standby liquid into the standby liquid storage assembly;

the st liquid storage tank supplies liquid for the st liquid component, an

When insufficient fluid is present in the th reservoir, the backup fluid supply supplies the backup fluid to the th consumable assembly.

The liquid supply method as claimed in claim 16, wherein the process of "filling backup liquid in backup liquid reservoir assembly" comprises:

communicating the th reservoir with the alternate reservoir assembly, the th reservoir fluid entering the alternate reservoir assembly to form the alternate fluid.

The liquid supply method as claimed in claim 16, wherein the backup reservoir assembly comprises a dosing pump including a liquid chamber and an air chamber, and the "priming backup liquid in the backup reservoir assembly" comprises:

disconnecting the liquid chamber from the th liquid using component and communicating the liquid chamber with the th liquid storage tank, communicating the air chamber with the atmosphere or a th negative pressure source, communicating the th liquid storage tank with a second positive pressure source, and pushing the liquid in the th liquid storage tank into the liquid chamber by the second positive pressure source.

The liquid supply method of claim 16, wherein the backup liquid storage assembly comprises a dosing pump comprising a liquid chamber and an air chamber, and wherein the act of supplying the backup liquid to the th liquid use assembly comprises:

the liquid chamber is communicated with the th liquid using component, the air chamber is communicated with a th positive pressure source, and the th positive pressure source pushes the standby liquid in the liquid chamber into the th liquid using component.

The liquid supply method of claim 16, further comprising:

when the liquid in the th liquid storage tank is insufficient, the th liquid storage tank and the th liquid using assembly are disconnected, the th liquid storage tank and the reagent barrel are communicated, the th liquid storage tank is communicated to a second negative pressure source, and the liquid in the reagent barrel enters the th liquid storage tank under the action of pressure difference.

The liquid supply method of claim 16, further comprising:

the liquid supplementing assembly extracts supplementing liquid from the reagent barrel;

the second liquid storage tank supplies liquid for the second liquid component;

when liquid in the second liquid storage tank is insufficient, the liquid supplementing assembly injects the supplementing liquid into the second liquid storage tank, so that the second liquid storage tank can continuously supply liquid for the second liquid assembly.

The liquid supply method of claim 16, wherein the alternate reservoir assembly comprises a syringe and a drive mechanism for driving the syringe, and wherein the step of filling the alternate reservoir assembly comprises connecting the syringe to the th reservoir, connecting the th reservoir to a second positive pressure source, and connecting the drive mechanism to allow liquid from the th reservoir to enter the syringe.

The liquid supply of claim 22, wherein the th reservoir is connected to a second positive pressure source, and the actuator disconnects the syringe from the th fluid assembly before the th reservoir of liquid enters the syringe.

The liquid supply method of claim 22, wherein the step of supplying the standby liquid from the standby liquid reservoir assembly to the th liquid consuming assembly comprises disconnecting a syringe from the th liquid reservoir and connecting the syringe to the th liquid consuming assembly, and wherein the driving device pushes the standby liquid in the syringe into the th liquid consuming assembly.