CN204984774U - Drainage bottle negative pressure extraction system - Google Patents
Drainage bottle negative pressure extraction system Download PDFInfo
- Publication number
- CN204984774U CN204984774U CN201520606942.4U CN201520606942U CN204984774U CN 204984774 U CN204984774 U CN 204984774U CN 201520606942 U CN201520606942 U CN 201520606942U CN 204984774 U CN204984774 U CN 204984774U
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- vacuum
- negative pressure
- drainage bottle
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- coil
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Abstract
The utility model discloses a drainage bottle negative pressure extraction system, including vacuum source module and vacuum control subassembly, the vacuum line be connected with the vacuum source module, the vacuum control subassembly is including the solenoid valve of setting on the vacuum line and the control circuit of control solenoid action. Control circuit include the power, high accuracy digit vacuum meter, switch K1, high accuracy digit vacuum meter connects in parallel on the circuit of solenoid valve and control solenoid's break -make. The accurate control can be carried out to the negative pressure value of drainage bottle to this structure, and it is high to improve the product uniformity, and can very conveniently adjust the required negative pressure value of drainage bottle, but wide application in drainage bottle evacuation field.
Description
Technical field
The utility model relates to drainage bottle and takes out negative pressure frock field, especially relates to a kind of drainage bottle negative pressure extracting system.
Background technique
Disposable high negative pressure drainage bottle needs the air in bottle to take out before use, has made the requirement that the negative pressure value of drainage bottle inside reaches required.Traditional drainage bottle takes out negative pressure device the components and parts such as negative pressure generator, pressure gauge.When extracting vacuum, that just can only be omited by the pointer of pressure judges the negative pressure value whether drainage bottle reaches required, and this just causes the negative pressure value size disunity of each drainage bottle, even affects clinical using effect.In addition, be in running state after described negative pressure generator start always, cause the waste of the energy.
Model utility content
The purpose of this utility model is to provide a kind of drainage bottle negative pressure extracting system, solves the problem that existing drainage bottle negative pressure extracting device precision is low.
The utility model solves the technological scheme that its technical problem adopts: a kind of drainage bottle negative pressure extracting system, comprise vacuum source assembly and vacuum control assembly, the vacuum line be connected with vacuum source assembly, described vacuum control assembly comprises the control circuit being arranged on solenoid valve on vacuum line and Controlling solenoid valve action.Described control circuit comprises storage power, high accuracy number vacuum gauge, K switch 1, on the circuit that described high accuracy number vacuum gauge is connected in parallel on solenoid valve and the break-make of Controlling solenoid valve; Described high accuracy number vacuum gauge sets the negative pressure value needed for drainage bottle, when vacuum source component continues to extract negative pressure to drainage bottle, high accuracy number vacuum gauge detects the negative pressure value of the vacuum line be connected with drainage bottle constantly, when the vacuum line negative pressure value recorded is identical with the negative pressure value that high accuracy number vacuum gauge sets, high accuracy number vacuum gauge and control switch K1 close, and solenoid valve action makes vacuum line disconnect.
For learning the negative pressure value of vacuum line in the event of a power failure, described vacuum control assembly is also provided with passive vacuum table, passive vacuum table is arranged on the vacuum line that solenoid valve is connected with vacuum control assembly.
Further, the lnp cache tank that described vacuum source assembly comprises motor, vacuum machine and is connected with vacuum machine pipeline, driven by motor vacuum machine operation duration vacuumizes lnp cache tank.
For controlling the operation of motor, ensure that the negative pressure in negative pressure knock out drum is in the scope of setting all the time, also be provided with the control circuit controlling motor and run, described control circuit comprises the switching node KM11 be connected on motor main line, respectively with coil KM1, KM2 of motor parallel; The break-make of described coil KM1 control switch node KM11, one end of coil KM1 is in series with the normally closed node KM21 controlled by coil KM2, and the other end is in series with Controlling vertex K2, and the circuit of described coil KM2 is in series with Node Switch K3; During power-on, Controlling vertex K2 closes, coil KM1 control switch node KM11 closes, machine operation vacuumizes lnp cache tank, and when the degree of vacuum in lnp cache tank reaches the CLV ceiling limit value of setting, Node Switch K3 closes, coil KM2 obtains the normally closed node KM21 of electric control and disconnects, make coil KM1 power-off, switching node KM11 disconnects, and motor quits work.
For ensureing the stability of control circuit, the series circuit of described coil KM1 is also provided with self-insurance node KM12, self-insurance node KM12 is in parallel with Controlling vertex K2, when after electric power starting, Controlling vertex K2 closes, and coil KM1 is obtained electric, simultaneously, self-insurance node KM12 adhesive, after self-insurance node KM12 adhesive, namely Controlling vertex K2 disconnects.
For convenience of the degree of vacuum read in lnp cache tank and manual-lock lnp cache tank, described lnp cache tank is also provided with contact vacuum gauge, the outlet of lnp cache tank is provided with the first manual ball valve.
For convenience of the break-make of Non-follow control drainage bottle fore vacuum pipeline, between described vacuum control assembly and drainage bottle, be provided with the second manual ball valve.
The beneficial effects of the utility model: by native system, can cut off vacuum line at each node, facilitate the maintenance of each module.Described vacuum control assembly passes through the cooperation of high accuracy number vacuum gauge and solenoid valve, the negative pressure value in vacuum line can be made to reach the unification of height, and can by the negative pressure value needed for the adjustment of high accuracy number vacuum gauge, structure is simple, easy to operate, good product consistency.Control circuit on described vacuum source assembly, can ensure that the degree of vacuum in lnp cache tank remains in the scope of setting.
Below with reference to drawings and Examples, the utility model is described in detail.
Accompanying drawing explanation
Fig. 1 is schematic diagram one of the present utility model.
Fig. 2 is schematic diagram two of the present utility model.
Fig. 3 is control wiring figure of the present utility model.
Embodiment
Embodiment, as shown in Figures 1 to 3, a kind of drainage bottle negative pressure extracting system, comprises vacuum source assembly 1 and vacuum control assembly 2, the vacuum line 3 be connected with vacuum source assembly 1, described vacuum control assembly 2 comprises the control circuit being arranged on solenoid valve 4 on vacuum line 3 and Controlling solenoid valve 4 action.The vacuum line 3 of the rear end of vacuum control assembly 2 is provided with the interface docked with drainage bottle of row's parallel connection.
Described control circuit comprises storage power 5, high accuracy number vacuum gauge 6, K switch 1, on the circuit that described high accuracy number vacuum gauge 6 is connected in parallel on solenoid valve 4 and the break-make of Controlling solenoid valve 4; Described high accuracy number vacuum gauge 6 sets the negative pressure value needed for drainage bottle, when vacuum source component 1 continues to extract negative pressure to drainage bottle, high accuracy number vacuum gauge 6 detects the negative pressure value of the vacuum line 3 be connected with drainage bottle constantly, when vacuum line 3 negative pressure value recorded is identical with the negative pressure value that high accuracy number vacuum gauge 6 sets, high accuracy number vacuum gauge 6 i.e. control switch K1 closes, and solenoid valve 4 action makes vacuum line 3 disconnect.
Described vacuum control assembly 2 is also provided with passive vacuum table 7, and passive vacuum table 7 is arranged on the vacuum line 3 that solenoid valve 4 is connected with vacuum control assembly 2, for reading the initial negative pressure value of vacuum line 3 when device powers down.The second manual ball valve 13 is provided with, for manually opened and closedown vacuum line 3 between described vacuum control assembly 2 and drainage bottle.
The lnp cache tank 10 that described vacuum source assembly 1 comprises motor 8, vacuum machine 9 and is connected with vacuum machine 9 pipeline, motor 8 drives vacuum machine 9 operation duration to vacuumize lnp cache tank 10.Also be provided with the control circuit controlling motor 8 and run, described control circuit comprises the switching node KM11 be connected on motor main line, coil KM1, KM2 in parallel with motor 8 respectively; The break-make of described coil KM1 control switch node KM11, one end of coil KM1 is in series with the normally closed node KM21 controlled by coil KM2, and the other end is in series with Controlling vertex K2, and the circuit of described coil KM2 is in series with Node Switch K3; During power-on, Controlling vertex K2 closes, coil KM1 control switch node KM11 closes, motor 8 works and to vacuumize lnp cache tank 10, and when the degree of vacuum in lnp cache tank 10 reaches the CLV ceiling limit value of setting, Node Switch K3 closes, coil KM2 obtains the normally closed node KM21 of electric control and disconnects, make coil KM1 power-off, switching node KM11 disconnects, and motor 8 quits work.The series circuit of described coil KM1 is also provided with self-insurance node KM12, self-insurance node KM12 is in parallel with Controlling vertex K2, when after electric power starting, Controlling vertex K2 closes, and coil KM1 is obtained electric, simultaneously, self-insurance node KM12 adhesive, after self-insurance node KM12 adhesive, namely Controlling vertex K2 disconnects.
For convenience of the degree of vacuum read in lnp cache tank and manual-lock lnp cache tank, described lnp cache tank 10 is also provided with contact vacuum gauge 11, the outlet of lnp cache tank 10 is provided with the first manual ball valve 12.
When vacuumizing drainage bottle, between elder generation, the end on of drainage bottle and vacuum line is good, then opens ac power supply, and ac power supply makes motor and vacuum control assembly obtain electric simultaneously, open the switch of vacuum control assembly, ac power supply is to the storage power charging on vacuum control assembly.Now, can by the negative pressure value of high accuracy number vacuum gauge setting required for drainage bottle, machine operation, continues to vacuumize to lnp cache tank, due to now, vacuum line is in connected state, therefore, be also that the process that vacuumizes is continued, when the negative pressure value in drainage bottle reaches setting value to drainage bottle, namely solenoid valve controls vacuum line and disconnects, and stops taking out negative pressure to drainage bottle.Now, motor works on, and when the degree of vacuum in lnp cache tank reaches setting value, control control circuit and the disconnecting circuit of motor operation, motor quits work.
Claims (7)
1. a drainage bottle negative pressure extracting system, comprise vacuum source assembly (1) and vacuum control assembly (2), the vacuum line (3) be connected with vacuum source assembly (1), is characterized in that: described vacuum control assembly (2) comprises the control circuit being arranged on solenoid valve (4) on vacuum line (3) and Controlling solenoid valve (4) action;
Described control circuit comprises storage power (5), high accuracy number vacuum gauge (6), K switch 1, on the circuit that described high accuracy number vacuum gauge (6) is connected in parallel on solenoid valve (4) and the break-make of Controlling solenoid valve (4); The negative pressure value of described high accuracy number vacuum gauge (6) upper setting needed for drainage bottle, when vacuum source component (1) continues to extract negative pressure to drainage bottle, high accuracy number vacuum gauge (6) detects the negative pressure value of the vacuum line (3) be connected with drainage bottle constantly, when the vacuum line recorded (3) negative pressure value is identical with the negative pressure value that high accuracy number vacuum gauge (6) sets, high accuracy number vacuum gauge (6) i.e. control switch K1 closes, and solenoid valve (4) action makes vacuum line (3) disconnect.
2. drainage bottle negative pressure extracting system as claimed in claim 1, it is characterized in that: described vacuum control assembly (2) is also provided with passive vacuum table (7), passive vacuum table (7) is arranged on the vacuum line (3) that solenoid valve (4) is connected with vacuum control assembly (2).
3. drainage bottle negative pressure extracting system as claimed in claim 1, it is characterized in that: the lnp cache tank (10) that described vacuum source assembly (1) comprises motor (8), vacuum machine (9) and is connected with vacuum machine (9) pipeline, motor (8) drives vacuum machine (9) operation duration to vacuumize lnp cache tank (10).
4. drainage bottle negative pressure extracting system as claimed in claim 3, it is characterized in that: be also provided with the control circuit controlling motor (8) and run, described control circuit comprises the switching node KM11 be connected on motor main line, coil KM1, KM2 in parallel with motor (8) respectively;
The break-make of described coil KM1 control switch node KM11, one end of coil KM1 is in series with the normally closed node KM21 controlled by coil KM2, and the other end is in series with Controlling vertex K2, and the circuit of described coil KM2 is in series with Node Switch K3;
During power-on, Controlling vertex K2 closes, coil KM1 control switch node KM11 closes, motor (8) work vacuumizes lnp cache tank (10), and when the degree of vacuum in lnp cache tank (10) reaches the CLV ceiling limit value of setting, Node Switch K3 closes, coil KM2 obtains the normally closed node KM21 of electric control and disconnects, make coil KM1 power-off, switching node KM11 disconnects, and motor (8) quits work.
5. drainage bottle negative pressure extracting system as claimed in claim 4, it is characterized in that: the series circuit of described coil KM1 is also provided with self-insurance node KM12, self-insurance node KM12 is in parallel with Controlling vertex K2, when after electric power starting, Controlling vertex K2 closes, and coil KM1 is obtained electric, simultaneously, self-insurance node KM12 adhesive, after self-insurance node KM12 adhesive, namely Controlling vertex K2 disconnects.
6. the drainage bottle negative pressure extracting system as described in claim 3 to 5 any one, it is characterized in that: described lnp cache tank (10) is also provided with contact vacuum gauge (11), the outlet of lnp cache tank (10) is provided with the first manual ball valve (12).
7. drainage bottle negative pressure extracting system as claimed in claim 1 or 2, is characterized in that: be provided with the second manual ball valve (13) between described vacuum control assembly (2) and drainage bottle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520606942.4U CN204984774U (en) | 2015-08-12 | 2015-08-12 | Drainage bottle negative pressure extraction system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520606942.4U CN204984774U (en) | 2015-08-12 | 2015-08-12 | Drainage bottle negative pressure extraction system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204984774U true CN204984774U (en) | 2016-01-20 |
Family
ID=55119149
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520606942.4U Expired - Fee Related CN204984774U (en) | 2015-08-12 | 2015-08-12 | Drainage bottle negative pressure extraction system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204984774U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114673933A (en) * | 2022-04-06 | 2022-06-28 | 浙江普崎数码科技有限公司 | High-precision stepped negative pressure control system and control method thereof |
-
2015
- 2015-08-12 CN CN201520606942.4U patent/CN204984774U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114673933A (en) * | 2022-04-06 | 2022-06-28 | 浙江普崎数码科技有限公司 | High-precision stepped negative pressure control system and control method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160120 Termination date: 20170812 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |