Fault simulation device and fault simulation system for blood pressure sensor

Abstract

The utility model discloses a blood pressure sensor fault simulation device and a fault simulation system. The fault simulation device comprises a fault simulation circuit, the fault simulation circuit comprises at least two first ends and at least two second ends, and the first ends of the fault simulation circuit and the second ends of the fault simulation circuit are arranged in a one-to-one correspondence mode; each first end of the fault simulation circuit is connected with one to-be-detected connecting end of the blood pressure sensor, and the second end of the fault simulation circuit is connected with the monitor; the fault simulation circuit is used for disconnecting a connection path between at least one to-be-detected connection end of the blood pressure sensor and the monitor after being triggered, and / or short-circuiting at least two to-be-detected connection ends of the blood pressure sensor, so that the monitor detects the change of an electric signal output by the to-be-detected connection end of the blood pressure sensor. According to the utility model, the operation process is simplified, the integrity of the original cable is retained, and the cable cost is saved; and meanwhile, in the testing process of mass-produced products, the detection time can be shortened, and the detection efficiency can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of blood pressure sensor fault simulation, in particular to a blood pressure sensor fault simulation device and a fault simulation system. Background Art

[0002] Blood pressure, as one of the parameters monitored by a monitor, requires identifying the fault information of the blood pressure sensor during the detection process and activating the corresponding technical alarm state. For this purpose, it is necessary to simulate the situation of sensor faults. For example, any wire break or open circuit with other wires in the sensor cable will cause abnormal states.

[0003] In the prior art, it is usually necessary to cut open the sensor cable and perform welding short circuit or direct open circuit on the wires therein. Such an operation for simulating sensor faults has many steps and a long detection time, and cannot meet the inspection requirements after mass production of products. Summary of the Utility Model

[0004] The utility model provides a blood pressure sensor fault simulation device and a fault simulation system to simplify the operation process, retain the integrity of the original cable, and save cable costs; at the same time, it can also facilitate the operation of inspectors during the test of mass-produced products, shorten the detection time, and greatly improve the inspection efficiency.

[0005] According to one aspect of the utility model, a blood pressure sensor fault simulation device is provided. The blood pressure sensor fault simulation device includes:

[0006] A fault simulation circuit, which includes at least two first ends and at least two second ends, and the first ends and the second ends of the fault simulation circuit are arranged in one-to-one correspondence;

[0007] Each first end of the fault simulation circuit is connected to a connection end to be measured of the blood pressure sensor, and the second end of the fault simulation circuit is connected to the monitor;

[0008] The fault simulation circuit is used to disconnect the connection path between at least one connection end to be measured of the blood pressure sensor and the monitor, and / or short-circuit at least two connection ends to be measured of the blood pressure sensor after being triggered, so that the monitor detects the change of the electrical signal output by the connection end to be measured of the blood pressure sensor.

[0009] Further, the fault simulation circuit includes an open circuit control circuit and a short circuit control circuit;

[0010] The open circuit control circuit is connected between each connection end to be measured of the blood pressure sensor and the monitor; the short circuit control circuit is connected to each connection end to be measured of the blood pressure sensor;

[0011] The open - circuit control circuit is used to disconnect the connection path between at least one connection terminal to be measured of the blood pressure sensor and the monitor after being triggered;

[0012] The short - circuit control circuit is used to short - circuit at least two connection terminals to be measured of the blood pressure sensor after being triggered.

[0013] Furthermore, the open - circuit control circuit includes a first switch group;

[0014] The first switch group includes at least two open - circuit switches. The first ends of the at least two open - circuit switches are respectively and correspondingly connected to the connection terminals to be measured of the blood pressure sensor, and the second end of each open - circuit switch is electrically connected to a signal terminal of the monitor;

[0015] The open - circuit switch is used to disconnect the connection path between the connection terminal to be measured of the blood pressure sensor and the monitor when being triggered.

[0016] Furthermore, the short - circuit control circuit includes a second switch group;

[0017] The second switch group includes at least one short - circuit switch. The connection terminals to be measured of the blood pressure sensor are respectively and correspondingly connected to the signal terminals of the monitor, and a short - circuit switch is connected between two connection terminals to be measured of the blood pressure sensor;

[0018] The short - circuit switch is used to short - circuit two connection terminals to be measured of the blood pressure sensor when being triggered.

[0019] Furthermore, a short - circuit switch is connected between each connection terminal to be measured of the blood pressure sensor and other connection terminals to be measured.

[0020] Furthermore, the first switch group includes a first switch, a second switch, a third switch, a fourth switch, a fifth switch, a sixth switch, a seventh switch, and an eighth switch;

[0021] The first end of the first switch is connected to the ICP_IN + signal terminal of the blood pressure sensor, the first end of the second switch is connected to the ICP_IN - signal terminal of the blood pressure sensor, the first end of the third switch is connected to the ICP_5V signal terminal of the blood pressure sensor, the first end of the fourth switch is connected to the GND signal terminal of the blood pressure sensor, the first end of the fifth switch is connected to the TEMP1 signal terminal of the blood pressure sensor, the first end of the sixth switch is connected to the TGND signal terminal of the blood pressure sensor, the first end of the seventh switch is connected to the SCL signal terminal of the blood pressure sensor, and the first end of the eighth switch is connected to the SDA signal terminal of the blood pressure sensor;

[0022] The second ends of the first switch, the second switch, the third switch, the fourth switch, the fifth switch, the sixth switch, the seventh switch, and the eighth switch are respectively and correspondingly electrically connected to the signal terminals of the monitor.

[0023] Further, the second switch group includes a ninth switch, a tenth switch, an eleventh switch, a twelfth switch, a thirteenth switch, a fourteenth switch, a fifteenth switch, a sixteenth switch, a seventeenth switch, an eighteenth switch, a nineteenth switch, a twentieth switch, a twenty-first switch, a twenty-second switch, a twenty-third switch, a twenty-fourth switch, a twenty-fifth switch, a twenty-sixth switch, a twenty-seventh switch, a twenty-eighth switch, a twenty-ninth switch, a thirtieth switch, a thirty-first switch, a thirty-second switch, a thirty-third switch, a thirty-fourth switch, a thirty-fifth switch, and a thirty-sixth switch;

[0024] The first ends of the ninth switch to the fifteenth switch are respectively connected to the ICP_IN+ signal terminal of the blood pressure sensor, the first ends of the sixteenth switch to the twenty-first switch are respectively connected to the ICP_IN- signal terminal of the blood pressure sensor, the first ends of the twenty-second switch to the twenty-sixth switch are respectively connected to the ICP_5V signal terminal of the blood pressure sensor, the first ends of the twenty-seventh switch to the thirtieth switch are respectively connected to the GND signal terminal of the blood pressure sensor, the first ends of the thirty-first switch to the thirty-third switch are respectively connected to the TEMP1 signal terminal of the blood pressure sensor, the first ends of the thirty-fourth switch to the thirty-fifth switch are respectively connected to the TGND signal terminal of the blood pressure sensor, and the first end of the thirty-sixth switch is connected to the SCL signal terminal of the blood pressure sensor;

[0025] The second end of the ninth switch is connected to the ICP_IN- signal terminal of the blood pressure sensor, the second ends of the tenth switch and the sixteenth switch are respectively connected to the ICP_5V signal terminal of the blood pressure sensor, the second ends of the eleventh switch, the seventeenth switch, and the twenty-second switch are respectively connected to the GND signal terminal of the blood pressure sensor, the second ends of the twelfth switch, the eighteenth switch, the twenty-third switch, and the twenty-seventh switch are respectively connected to the TEMP1 signal terminal of the blood pressure sensor, the second ends of the thirteenth switch, the nineteenth switch, the twenty-fourth switch, the twenty-eighth switch, and the thirty-first switch are respectively connected to the TGND signal terminal of the blood pressure sensor, the second ends of the fourteenth switch, the twentieth switch, the twenty-fifth switch, the twenty-ninth switch, the thirty-second switch, and the thirty-fourth switch are respectively connected to the SCL signal terminal of the blood pressure sensor, and the second ends of the fifteenth switch, the twenty-first switch, the twenty-sixth switch, the thirtieth switch, the thirty-third switch, the thirty-fifth switch, and the thirty-sixth switch are respectively connected to the SDA signal terminal of the blood pressure sensor.

[0026] Further, the blood pressure sensor failure simulation device further includes:

[0027] The sensor is connected to the probe and the monitor interface;

[0028] The sensor connection probe includes at least two first probe connection ends and at least two second probe connection ends, and the first probe connection ends and the second probe connection ends are arranged in one-to-one correspondence;

[0029] The first probe connection ends of the sensor connection probe are connected to the connection ends to be measured of the blood pressure sensor in one-to-one correspondence, and the second probe connection ends of the sensor connection probe are connected to the first ends of the fault simulation circuit in one-to-one correspondence;

[0030] The second end of the fault simulation circuit is connected to the first end of the monitor interface, and the second end of the monitor interface is connected to the monitor.

[0031] Further, the open circuit switch includes a self-locking push-button switch;

[0032] The short circuit switch includes a self-locking push-button switch.

[0033] According to another aspect of the present invention, there is provided a blood pressure sensor fault simulation system, which includes a blood pressure sensor, a monitor, and the blood pressure sensor fault simulation device according to any one of the above embodiments.

[0034] The blood pressure sensor fault simulation device designed in the embodiment of the present utility model includes: a fault simulation circuit, and the fault simulation circuit includes at least two first ends and at least two second ends. The first ends of the fault simulation circuit and the second ends are arranged in one-to-one correspondence. By connecting each first end of the fault simulation circuit to a connection end to be measured of the blood pressure sensor, and connecting the second end of the fault simulation circuit to the monitor, after the fault simulation circuit is triggered, it can disconnect the connection path between at least one connection end to be measured of the blood pressure sensor and the monitor, or short-circuit at least two connection ends to be measured of the blood pressure sensor, or can simultaneously disconnect the connection path between at least one connection end to be measured of the blood pressure sensor and the monitor and short-circuit at least two connection ends to be measured of the blood pressure sensor, so that the monitor can detect the change in the electrical signal output by the connection end to be measured of the blood pressure sensor. Compared with the prior art in simulating the fault of the blood pressure sensor, where the insulation part of the cable connected to the blood pressure sensor is first damaged, and then the wires of the cable are short-circuited or opened, by connecting the blood pressure sensor fault simulation device in the embodiment of the present utility model between the blood pressure sensor and the monitor and operating the blood pressure sensor fault simulation device according to actual needs, the fault of the blood pressure sensor can be simulated, the operation process is simplified, the operation is made more convenient, and at the same time, the blood pressure sensor can be detected and removed at any time according to the actual situation, without the need to damage the cable connected to the blood pressure sensor, the integrity of the original cable is retained, and the cable cost is saved; at the same time, it can also facilitate the operation of the inspection personnel during the test of mass-produced products, shorten the detection time, and greatly improve the inspection efficiency.

[0035] It should be understood that the content described in this part is not intended to identify the key or important features of the embodiments of the present utility model, nor is it used to limit the scope of the present utility model. Other features of the present utility model will become easily understood through the following description. BRIEF DESCRIPTION OF THE DRAWINGS

[0036] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0037] Figure 1 is a schematic structural diagram of a blood pressure sensor fault simulation device provided according to an embodiment of the present utility model;

[0038] Figure 2 is a schematic structural diagram of another blood pressure sensor fault simulation device provided according to an embodiment of the present utility model;

[0039] Figure 3It is a schematic structural diagram of another blood pressure sensor fault simulation device provided according to an embodiment of the present invention;

[0040] Figure 4 It is a schematic structural diagram of yet another blood pressure sensor fault simulation device provided according to an embodiment of the present invention;

[0041] Figure 5 It is a schematic structural diagram of yet another blood pressure sensor fault simulation device provided according to an embodiment of the present invention;

[0042] Figure 6 It is a schematic structural diagram of another blood pressure sensor fault simulation device provided according to an embodiment of the present invention;

[0043] Figure 7 It is a schematic structural diagram of another blood pressure sensor fault simulation device provided according to an embodiment of the present invention;

[0044] Figure 8 It is a schematic structural diagram of yet another blood pressure sensor fault simulation device provided according to an embodiment of the present invention;

[0045] Figure 9 It is a schematic structural diagram of a sensor connection probe provided according to an embodiment of the present invention;

[0046] Figure 10 It is a schematic structural diagram of a blood pressure sensor fault simulation system provided according to an embodiment of the present invention. Detailed implementation manners

[0047] In order to enable those skilled in the art to better understand the solution of the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present invention.

[0048] It should be noted that the terms "first", "second", etc. in the description, claims and above-mentioned drawings of the present utility model are used to distinguish similar objects, and do not necessarily have to be used to describe a specific order or sequence. It should be understood that the data used in this way can be interchanged under appropriate circumstances, so that the embodiments of the present utility model described herein can be implemented in an order other than those illustrated or described herein. In addition, the terms "comprising" and "having" and any variations thereof are intended to cover non-exclusive inclusion. For example, a process, method, system, product or device comprising a series of steps or units does not necessarily have to be limited to those steps or units clearly listed, but may include other steps or units not clearly listed or inherent to these processes, methods, products or devices.

[0049] An embodiment of the present utility model provides a blood pressure sensor fault simulation device. Figure 1 It is a schematic structural diagram of a blood pressure sensor fault simulation device provided according to an embodiment of the present utility model. Refer to Figure 1 , the blood pressure sensor fault simulation device includes:

[0050] A fault simulation circuit 1, the fault simulation circuit 1 includes at least two first ends and at least two second ends, and the first ends of the fault simulation circuit 1 are arranged in one-to-one correspondence with the second ends of the fault simulation circuit 1;

[0051] Each first end of the fault simulation circuit 1 is connected to a connection end to be measured of the blood pressure sensor 2, and the second end of the fault simulation circuit 1 is connected to the monitor 3;

[0052] The fault simulation circuit 1 is used to disconnect the connection path between at least one connection end to be measured of the blood pressure sensor 2 and the monitor 3, and / or short-circuit at least two connection ends to be measured of the blood pressure sensor 2 after being triggered, so that the monitor 3 detects the change in the electrical signal output by the connection end to be measured of the blood pressure sensor 2.

[0053] Among them, at least one can be understood as one or more than one, and at least two can be understood as two or more than two.

[0054] Specifically, at least one first terminal of the fault simulation circuit 1 can be correspondingly connected to at least one connection terminal to be measured of the blood pressure sensor 2 according to the actual situation. At the same time, at least one second terminal of the fault simulation circuit 1 is correspondingly connected to at least one signal terminal of the monitor 3. Exemplarily, the fault simulation circuit 1 can include an open circuit control circuit, or a short circuit control circuit, or both an open circuit control circuit and a short circuit control circuit. If the fault simulation circuit 1 only includes an open circuit control circuit, after the fault simulation circuit 1 is triggered, it can simulate the situation where one or some connection terminals to be measured of the blood pressure sensor 2 are disconnected from the monitor 3. If the fault simulation circuit 1 only includes a short circuit control circuit, after the fault simulation circuit 1 is triggered, it can simulate the situation where two or some connection terminals to be measured of the blood pressure sensor 2 are short-circuited. If the fault simulation circuit 1 includes both an open circuit control circuit and a short circuit control circuit, after the fault simulation circuit 1 is triggered, it can simulate the situation where one or some connection terminals to be measured of the blood pressure sensor 2 are disconnected from the monitor 3, or it can simulate the situation where two or some connection terminals to be measured of the blood pressure sensor 2 are short-circuited, or it can simultaneously simulate the situation where one or some connection terminals to be measured of the blood pressure sensor 2 are disconnected from the monitor 3 and two or some connection terminals to be measured of the blood pressure sensor 2 are short-circuited. Furthermore, the monitor 3 can detect the change in the electrical signal output by the connection terminal to be measured of the blood pressure sensor 2 and record the change in the electrical signal, so that during the process of using the blood pressure sensor 1 for detection work, the fault information of the blood pressure sensor 1 can be identified according to the electrical signal situation output by the blood pressure sensor 1 received by the monitor 3. Among them, the blood pressure sensor 1 can be an invasive blood pressure sensor, an intracranial pressure sensor, etc., and the embodiments of the present invention do not limit this.

[0055] The blood pressure sensor fault simulation device designed in the embodiment of the present utility model includes: a fault simulation circuit 1, and the fault simulation circuit 1 includes at least two first ends and at least two second ends. The first ends of the fault simulation circuit 1 are arranged in one-to-one correspondence with the second ends of the fault simulation circuit 1. By connecting each first end of the fault simulation circuit 1 to a connection end to be measured of the blood pressure sensor 2, and connecting the second end of the fault simulation circuit 1 to the monitor 3, after the fault simulation circuit 1 is triggered, it can disconnect the connection path between at least one connection end to be measured of the blood pressure sensor 2 and the monitor 3, or short-circuit at least two connection ends to be measured of the blood pressure sensor 2, or can simultaneously disconnect the connection path between at least one connection end to be measured of the blood pressure sensor 2 and the monitor 3 and short-circuit at least two connection ends to be measured of the blood pressure sensor 2, so that the monitor 3 can detect the change in the electrical signal output by the connection end to be measured of the blood pressure sensor 2. Compared with the prior art, when simulating the fault of the blood pressure sensor, first damage the insulating part of the cable connected to the blood pressure sensor, and then perform short-circuit setting or open-circuit setting on the wire of the cable. By connecting the blood pressure sensor fault simulation device in the embodiment of the present utility model between the blood pressure sensor 2 and the monitor 3 and operating the blood pressure sensor fault simulation device according to actual needs, the fault of the blood pressure sensor can be simulated, the operation process is simplified, the operation is made more convenient, and at the same time, the blood pressure sensor 2 can be detected and removed at any time according to the actual situation, without the need to damage the cable connected to the blood pressure sensor 2, the integrity of the original cable is retained, and the cable cost is saved; at the same time, it can also facilitate the operation of the inspectors during the test of mass-produced products, shorten the detection time, and greatly improve the inspection efficiency.

[0056] Further, Figure 2 is a schematic structural diagram of another blood pressure sensor fault simulation device provided according to the embodiment of the present utility model. Refer to Figure 2 , the fault simulation circuit 1 includes an open-circuit control circuit 01 and a short-circuit control circuit 02;

[0057] The open-circuit control circuit 01 is connected between each connection end to be measured of the blood pressure sensor 2 and the monitor 3; the short-circuit control circuit 02 is connected to each connection end to be measured of the blood pressure sensor 2;

[0058] The open-circuit control circuit 01 is used to disconnect the connection path between at least one connection end to be measured of the blood pressure sensor 2 and the monitor 3 after being triggered;

[0059] The short-circuit control circuit 02 is used to short-circuit at least two connection ends to be measured of the blood pressure sensor 2 after being triggered.

[0060] Specifically, the fault simulation circuit 1 may only include an open - circuit control circuit 01, or only include a short - circuit control circuit 02, or include both an open - circuit control circuit 01 and a short - circuit control circuit 02. Among them, the open - circuit control circuit 01 includes at least one open - circuit switch, and the short - circuit control circuit 02 includes at least one short - circuit switch. If the fault simulation circuit 1 only includes the open - circuit control circuit 01, when one or some of the open - circuit switches in the open - circuit control circuit 01 are triggered, the disconnection of one or some of the connection terminals to be measured of the blood - pressure sensor 2 from the monitor 3 can be simulated; if the fault simulation circuit 1 only includes the short - circuit control circuit 02, when one or some of the short - circuit switches in the short - circuit control circuit 02 are triggered, the short - circuit of two or some of the connection terminals to be measured of the blood - pressure sensor 2 can be simulated; if the fault simulation circuit 1 includes both the open - circuit control circuit 01 and the short - circuit control circuit 02, as Figure 2 shown, one or some of the open - circuit switches in the open - circuit control circuit 01 and / or one or some of the short - circuit switches in the short - circuit control circuit 02 can be triggered according to the actual situation, so as to simulate the disconnection of one or some of the connection terminals to be measured of the blood - pressure sensor 2 from the monitor 3, and can also simulate the short - circuit of two or some of the connection terminals to be measured of the blood - pressure sensor 2, and can also simultaneously simulate the disconnection of one or some of the connection terminals to be measured of the blood - pressure sensor 2 from the monitor 3 and the short - circuit of two or some of the connection terminals to be measured of the blood - pressure sensor 2.

[0061] Furthermore, Figure 3 is a schematic structural diagram of another blood - pressure sensor fault simulation device provided according to an embodiment of the present invention. Referring to Figure 3 , the open - circuit control circuit includes a first switch group 11;

[0062] The first switch group 11 includes at least two open - circuit switches 111. The first ends of the at least two open - circuit switches 111 are respectively and correspondingly connected to the connection terminals to be measured of the blood - pressure sensor 2, and the second end of each open - circuit switch 111 is electrically connected to a signal terminal of the monitor 3;

[0063] The open - circuit switch 111 is used to disconnect the connection path between the connection terminal to be measured of the blood - pressure sensor 2 and the monitor 3 when being triggered.

[0064] Among them, at least two can be understood as two or more than two.

[0065] Specifically, in the embodiment of the present invention, the fault simulation circuit only includes the open - circuit control circuit as an example for illustration, and the specific description is as follows: According to the actual number of the to - be - tested connection terminals required to be tested by the blood pressure sensor 2, open - circuit switches 111 matching the number of the to - be - tested connection terminals of the blood pressure sensor 2 are set in the first switch group 11 of the open - circuit control circuit. When one or some of the open - circuit switches 111 are triggered, the function of disconnecting the connection path between one or some of the to - be - tested connection terminals of the blood pressure sensor 2 and the monitor 3 is realized.

[0066] Further, Figures 4 - 5 is a schematic structural diagram of another blood pressure sensor fault simulation device provided according to the embodiment of the present invention. Refer to Figure 4 and Figure 5 , the short - circuit control circuit includes a second switch group 12;

[0067] The second switch group 12 includes at least one short - circuit switch 121. The to - be - tested connection terminals of the blood pressure sensor 2 are connected to the signal terminals of the monitor 3 in one - to - one correspondence, and a short - circuit switch 121 is connected between two to - be - tested connection terminals of the blood pressure sensor 2;

[0068] The short - circuit switch 121 is used to short - circuit two to - be - tested connection terminals of the blood pressure sensor 2 when triggered.

[0069] Specifically, if the fault simulation circuit only includes the short - circuit control circuit: as Figure 4 shown, according to the actual number of the to - be - tested connection terminals that need to be short - circuited and tested by the blood pressure sensor 2, short - circuit switches 121 matching the number of the to - be - tested connection terminals of the blood pressure sensor 2 are set in the second switch group 12 of the short - circuit control circuit. When one or some of the short - circuit switches 121 are triggered, the function of short - circuiting two or some of the to - be - tested connection terminals of the blood pressure sensor 2 is realized.

[0070] If the fault simulation circuit includes both the short - circuit control circuit and the open - circuit control circuit: as Figure 5 shown, according to the actual number of the to - be - tested connection terminals that need to be short - circuited and tested by the blood pressure sensor 2, short - circuit switches 121 matching the number of the to - be - tested connection terminals of the blood pressure sensor 2 are set in the second switch group 12 of the short - circuit control circuit. At the same time, according to the actual number of the to - be - tested connection terminals required to be tested by the blood pressure sensor 2, open - circuit switches 111 matching the number of the to - be - tested connection terminals of the blood pressure sensor 2 are set in the first switch group 11 of the open - circuit control circuit. When one or some of the short - circuit switches 121 and one or some of the open - circuit switches 111 are triggered, the functions of short - circuiting two or some of the to - be - tested connection terminals of the blood pressure sensor 2 and disconnecting the connection path between one or some of the to - be - tested connection terminals of the blood pressure sensor 2 and the monitor 3 are realized.

[0071] Further, a short - circuit switch is connected between each connection terminal to be measured of the blood - pressure sensor and other connection terminals to be measured.

[0072] Specifically, a short - circuit switch can be connected between each connection terminal to be measured of the blood - pressure sensor and other connection terminals to be measured, so as to realize the function of short - circuiting any two connection terminals to be measured in the blood - pressure sensor.

[0073] Further, Figure 6 is a schematic structural diagram of another blood - pressure sensor fault simulation device provided according to an embodiment of the present invention. Refer to Figure 6 , the first switch group 11 includes a first switch a1, a second switch a2, a third switch a3, a fourth switch a4, a fifth switch a5, a sixth switch a6, a seventh switch a7, and an eighth switch a8;

[0074] The first end of the first switch a1 is connected to the ICP_IN + signal terminal of the blood - pressure sensor 2, the first end of the second switch a2 is connected to the ICP_IN - signal terminal of the blood - pressure sensor 2, the first end of the third switch a3 is connected to the ICP_5V signal terminal of the blood - pressure sensor 2, the first end of the fourth switch a4 is connected to the GND signal terminal of the blood - pressure sensor 2, the first end of the fifth switch a5 is connected to the TEMP1 signal terminal of the blood - pressure sensor 2, the first end of the sixth switch a6 is connected to the TGND signal terminal of the blood - pressure sensor 2, the first end of the seventh switch a7 is connected to the SCL signal terminal of the blood - pressure sensor 2, and the first end of the eighth switch a8 is connected to the SDA signal terminal of the blood - pressure sensor 2;

[0075] The second ends of the first switch a1, the second switch a2, the third switch a3, the fourth switch a4, the fifth switch a5, the sixth switch a6, the seventh switch a7, and the eighth switch a8 are electrically connected to the signal terminals of the monitor 3 in one - to - one correspondence.

[0076] Specifically, if there are eight break switches connected between the blood pressure sensor 2 and the monitor 3, when the first switch a1, the second switch a2, the third switch a3, the fourth switch a4, the fifth switch a5, the sixth switch a6, the seventh switch a7, and the eighth switch a8 are all turned off simultaneously, a scenario where the monitor 3 is not connected to the blood pressure sensor 2 can be simulated; when only the first switch a1 is turned off, a scenario where the ICP_IN+ signal terminal of the simulated blood pressure sensor 2 is disconnected from the monitor 3 can be achieved; when only the second switch a2 is turned off, a scenario where the ICP_IN- signal terminal of the simulated blood pressure sensor 2 is disconnected from the monitor 3 can be achieved; when only the third switch a3 is turned off, a scenario where the ICP_5V signal of the simulated blood pressure sensor 2 is disconnected from the monitor 3 can be achieved; when only the fourth switch a4 is turned off, a scenario where the GND signal terminal of the simulated blood pressure sensor 2 is disconnected from the monitor 3 can be achieved; when only the fifth switch a5 is turned off, a scenario where the TEMP1 signal terminal of the simulated blood pressure sensor 2 is disconnected from the monitor 3 can be achieved; when only the sixth switch a6 is turned off, a scenario where the TGND signal terminal of the simulated blood pressure sensor 2 is disconnected from the monitor 3 can be achieved; when only the seventh switch a7 is turned off, a scenario where the SCL signal terminal of the simulated blood pressure sensor 2 is disconnected from the monitor 3 can be achieved; when only the eighth switch a8 is turned off, a scenario where the SDA signal terminal of the simulated blood pressure sensor 2 is disconnected from the monitor 3 can be achieved.

[0077] Further, Figure 7 is a schematic structural diagram of another blood pressure sensor fault simulation device provided according to an embodiment of the present invention. Refer to Figure 7 , the second switch group 12 includes a ninth switch b1, a tenth switch b2, an eleventh switch b3, a twelfth switch b4, a thirteenth switch b5, a fourteenth switch b6, a fifteenth switch b7, a sixteenth switch b8, a seventeenth switch b9, an eighteenth switch b10, a nineteenth switch b11, a twentieth switch b12, a twenty-first switch b13, a twenty-second switch b14, a twenty-third switch b15, a twenty-fourth switch b16, a twenty-fifth switch b17, a twenty-sixth switch b18, a twenty-seventh switch b19, a twenty-eighth switch b20, a twenty-ninth switch b21, a thirtieth switch b22, a thirty-first switch b23, a thirty-second switch b24, a thirty-third switch b25, a thirty-fourth switch b26, a thirty-fifth switch b27, and a thirty-sixth switch b28;

[0078] The first ends of the ninth switch b1 to the fifteenth switch b7 are respectively connected to the ICP_IN+ signal terminal of the blood pressure sensor. The first ends of the sixteenth switch b8 to the twenty-first switch b13 are respectively connected to the ICP_IN- signal terminal of the blood pressure sensor. The first ends of the twenty-second switch b14 to the twenty-sixth switch b18 are respectively connected to the ICP_5V signal terminal of the blood pressure sensor. The first ends of the twenty-seventh switch b19 to the thirtieth switch b22 are respectively connected to the GND signal terminal of the blood pressure sensor. The first ends of the thirty-first switch b23 to the thirty-third switch b25 are respectively connected to the TEMP1 signal terminal of the blood pressure sensor. The first ends of the thirty-fourth switch b26 to the thirty-fifth switch b27 are respectively connected to the TGND signal terminal of the blood pressure sensor. The first end of the thirty-sixth switch b28 is connected to the SCL signal terminal of the blood pressure sensor;

[0079] The second end of the ninth switch b1 is connected to the ICP_IN- signal terminal of the blood pressure sensor. The second ends of the tenth switch b2 and the sixteenth switch b8 are respectively connected to the ICP_5V signal terminal of the blood pressure sensor. The second ends of the eleventh switch b3, the seventeenth switch b9, and the twenty-second switch b14 are respectively connected to the GND signal terminal of the blood pressure sensor. The second ends of the twelfth switch b4, the eighteenth switch b10, the twenty-third switch b15, and the twenty-seventh switch b19 are respectively connected to the TEMP1 signal terminal of the blood pressure sensor. The second ends of the thirteenth switch b5, the nineteenth switch b11, the twenty-fourth switch b16, the twenty-eighth switch b20, and the thirty-first switch b23 are respectively connected to the TGND signal terminal of the blood pressure sensor. The second ends of the fourteenth switch b6, the twentieth switch b12, the twenty-fifth switch b17, the twenty-ninth switch b21, the thirty-second switch b24, and the thirty-fourth switch b26 are respectively connected to the SCL signal terminal of the blood pressure sensor. The second ends of the fifteenth switch b7, the twenty-first switch b13, the twenty-sixth switch b18, the thirtieth switch b22, the thirty-third switch b25, the thirty-fifth switch b27, and the thirty-sixth switch b28 are respectively connected to the SDA signal terminal of the blood pressure sensor.

[0080] Specifically, if there are twenty-eight short-circuit switches connected between the blood pressure sensor 2 and the monitor 3, when only the ninth switch b1 is closed, it can simulate short-circuiting the ICP_IN+ signal terminal and the ICP_IN- signal terminal of the blood pressure sensor 2; when only the tenth switch b2 is closed, it can simulate short-circuiting the ICP_IN+ signal terminal of the blood pressure sensor 2 and the ICP_5V signal terminal; when only the eleventh switch b3 is closed, it can simulate short-circuiting the ICP_IN+ signal terminal of the blood pressure sensor 2 and the GND signal terminal; when only the twelfth switch b4 is closed, it can simulate short-circuiting the ICP_IN+ signal terminal of the blood pressure sensor 2 and the TEMP1 signal terminal; when only the thirteenth switch b5 is closed, it can simulate short-circuiting the ICP_IN+ signal terminal of the blood pressure sensor 2 and the TGND signal terminal; when only the fourteenth switch b6 is closed, it can simulate short-circuiting the ICP_IN+ signal terminal of the blood pressure sensor 2 and the SCL signal terminal; when only the fifteenth switch b7 is closed, it can simulate short-circuiting the ICP_IN+ signal terminal of the blood pressure sensor 2 and the SDA signal terminal.

[0081] When only the sixteenth switch b8 is closed, it can simulate short-circuiting the ICP_IN- signal terminal of the blood pressure sensor 2 and the ICP_5V signal terminal; when only the seventeenth switch b9 is closed, it can simulate short-circuiting the ICP_IN- signal terminal of the blood pressure sensor 2 and the GND signal terminal; when only the eighteenth switch b10 is closed, it can simulate short-circuiting the ICP_IN- signal terminal of the blood pressure sensor 2 and the TEMP1 signal terminal; when only the nineteenth switch b11 is closed, it can simulate short-circuiting the ICP_IN- signal terminal of the blood pressure sensor 2 and the TGND signal terminal; when only the twentieth switch b12 is closed, it can simulate short-circuiting the ICP_IN- signal terminal of the blood pressure sensor 2 and the SCL signal terminal; when only the twenty-first switch b13 is closed, it can simulate short-circuiting the ICP_IN- signal terminal of the blood pressure sensor 2 and the SDA signal terminal.

[0082] When only the twenty-second switch b14 is closed, it can simulate short-circuiting the ICP_5V signal terminal of the blood pressure sensor 2 and the GND signal terminal; when only the twenty-third switch b15 is closed, it can simulate short-circuiting the ICP_5V signal terminal of the blood pressure sensor 2 and the TEMP1 signal terminal; when only the twenty-fourth switch b16 is closed, it can simulate short-circuiting the ICP_5V signal terminal of the blood pressure sensor 2 and the TGND signal terminal; when only the twenty-fifth switch b17 is closed, it can simulate short-circuiting the ICP_5V signal terminal of the blood pressure sensor 2 and the SCL signal terminal; when only the twenty-sixth switch b18 is closed, it can simulate short-circuiting the ICP_5V signal terminal of the blood pressure sensor 2 and the SDA signal terminal.

[0083] When only the twenty-seventh switch b19 is closed, it can simulate shorting the GND signal terminal and the TEMP1 signal terminal of the blood pressure sensor 2; when only the twenty-eighth switch b20 is closed, it can simulate shorting the GND signal terminal and the TGND signal terminal of the blood pressure sensor 2; when only the twenty-ninth switch b21 is closed, it can simulate shorting the GND signal terminal and the SCL signal terminal of the blood pressure sensor 2; when only the thirtieth switch b22 is closed, it can simulate shorting the GND signal terminal and the SDA signal terminal of the blood pressure sensor 2.

[0084] When only the thirty-first switch b23 is closed, it can simulate shorting the TEMP1 signal terminal and the TGND signal terminal of the blood pressure sensor 2; when only the thirty-second switch b24 is closed, it can simulate shorting the TEMP1 signal terminal and the SCL signal terminal of the blood pressure sensor 2; when only the thirty-third switch b25 is closed, it can simulate shorting the TEMP1 signal terminal and the SDA signal terminal of the blood pressure sensor 2.

[0085] When only the thirty-fourth switch b26 is closed, it can simulate shorting the TGND signal terminal and the SCL signal terminal of the blood pressure sensor 2; when only the thirty-fifth switch b27 is closed, it can simulate shorting the TGND signal terminal and the SDA signal terminal of the blood pressure sensor 2; when only the thirty-sixth switch b28 is closed, it can simulate shorting the SCL signal terminal and the SDA signal terminal of the blood pressure sensor 2.

[0086] Furthermore, Figure 8 is a schematic structural diagram of another blood pressure sensor fault simulation device provided according to an embodiment of the present invention. Figure 9 is a schematic structural diagram of a sensor connection probe provided according to an embodiment of the present invention. Refer to Figure 8 and Figure 9 , the blood pressure sensor fault simulation device further includes:

[0087] a sensor connection probe 4 and a monitor interface 5;

[0088] The sensor connection probe 4 includes at least two first probe connection ends and at least two second probe connection ends, and the first probe connection ends and the second probe connection ends are arranged in one-to-one correspondence;

[0089] The first probe connection ends of the sensor connection probe 4 are connected to the connection ends to be measured of the blood pressure sensor 2 in one-to-one correspondence, and the second probe connection ends of the sensor connection probe 4 are connected to the first ends of the fault simulation circuit 1 in one-to-one correspondence;

[0090] The second end of the fault simulation circuit 1 is connected to the first end of the monitor interface 5, and the second end of the monitor interface 5 is connected to the monitor 3.

[0091] Among them, at least two can be understood as two or more than two.

[0092] Specifically, a sensor connection probe as shown is provided between the fault simulation circuit 1 and the blood pressure sensor 2, which can make the connection between the fault detection circuit 1 and the blood pressure sensor 2 more convenient and further improve the detection efficiency; and a monitor interface 5 is provided between the fault simulation circuit 1 and the monitor 3, which can also make the connection between the fault detection circuit 1 and the monitor 3 more convenient and further improve the detection efficiency. Exemplarily, the monitor interface 5 and the monitor 3 can be provided with a foolproof design so that the wires in the measurement cable can be smoothly connected to the monitor interface 5 and the monitor 3. Figure 9 Similarly, the monitor interface 5 and the monitor 3 can be provided with a foolproof design so that the wires in the measurement cable can be smoothly connected to the monitor interface 5 and the monitor 3.

[0093] Furthermore, the open circuit switch includes a self-locking push-button switch;

[0094] The short circuit switch includes a self-locking push-button switch.

[0095] An embodiment of the present invention provides a blood pressure sensor fault simulation system. Figure 8 It is a structural schematic diagram of a blood pressure sensor fault simulation system provided according to an embodiment of the present invention. Referring to Figure 8 , the blood pressure sensor fault simulation system includes a blood pressure sensor 2, a monitor 3, and the blood pressure sensor fault simulation device m described in any one of the above embodiments.

[0096] The blood pressure sensor fault simulation system designed in the embodiment of the present utility model includes a blood pressure sensor 2, a monitor 3, and the blood pressure sensor fault simulation device m described in any one of the above embodiments. By connecting the blood pressure sensor fault simulation device m to the blood pressure sensor 2 and the monitor 3, after the blood pressure sensor fault simulation device m is triggered, it can disconnect the connection path between at least one connection end to be measured of the blood pressure sensor 2 and the monitor 3, or short-circuit at least two connection ends to be measured of the blood pressure sensor 2, or can simultaneously disconnect the connection path between at least one connection end to be measured of the blood pressure sensor 2 and the monitor 3 and short-circuit at least two connection ends to be measured of the blood pressure sensor 2, so that the monitor 3 can detect the change in the electrical signal output by the connection end to be measured of the blood pressure sensor 2. Compared with the prior art, when simulating the fault of the blood pressure sensor, first damage the insulation part of the cable connected to the blood pressure sensor, and then set the wire of the cable to be short-circuited or open-circuited. The blood pressure sensor fault simulation system designed in the embodiment of the present utility model realizes the simulation of the blood pressure sensor fault by connecting the blood pressure sensor fault simulation device m between the blood pressure sensor 2 and the monitor 3 and operating the blood pressure sensor fault simulation device m according to actual needs, simplifies the operation process, makes the operation more convenient, and at the same time can detect and remove the blood pressure sensor 2 at any time according to the actual situation, no longer needs to damage the cable connected to the blood pressure sensor 2, retains the integrity of the original cable, and saves the cable cost; at the same time, it can also facilitate the operation of the inspection personnel during the test of mass-produced products, shorten the detection time, and can greatly improve the inspection efficiency.

[0097] It should be understood that various forms of the processes shown above can be used, steps can be reordered, added or deleted. For example, the steps described in the present utility model can be executed in parallel, sequentially, or in a different order, as long as the desired results of the technical solution of the present utility model can be achieved. There is no limitation herein.

[0098] The above specific embodiments do not constitute a limitation to the protection scope of the present utility model. Those skilled in the art should understand that various modifications, combinations, sub-combinations, and substitutions can be made according to design requirements and other factors. Any modifications, equivalent substitutions, and improvements made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A blood pressure sensor fault simulation device, characterized in that: include: A fault simulation circuit, wherein the fault simulation circuit comprises at least two first ends and at least two second ends, and the first ends of the fault simulation circuit are arranged in a one-to-one correspondence with the second ends of the fault simulation circuit; Each first end of the fault simulation circuit is connected to a connection end to be tested of the blood pressure sensor, and the second end of the fault simulation circuit is connected to the monitor; The fault simulation circuit is used to disconnect the connection path between at least one connection terminal to be tested of the blood pressure sensor and the monitor after being triggered, and / or short-circuit at least two connection terminals to be tested of the blood pressure sensor, so that the monitor detects changes in the electrical signal output by the connection terminal to be tested of the blood pressure sensor.

2. The blood pressure sensor fault simulation device according to claim 1, characterized in that: The fault simulation circuit includes a circuit breaker control circuit and a short circuit control circuit; The disconnection control circuit is connected between each connection terminal to be tested of the blood pressure sensor and the monitor; the short-circuit control circuit is connected to each connection terminal to be tested of the blood pressure sensor; The disconnection control circuit is used to disconnect the connection path between at least one connection terminal to be tested of the blood pressure sensor and the monitor after being triggered; The short-circuit control circuit is used to short-circuit at least two to-be-tested connection terminals of the blood pressure sensor after being triggered.

3. The blood pressure sensor fault simulation device according to claim 2, characterized in that: The circuit breaker control circuit includes a first switch group; The first switch group includes at least two disconnect switches, the first ends of at least two disconnect switches are connected to the connection ends to be tested of the blood pressure sensor in a one-to-one correspondence, and the second end of each disconnect switch is electrically connected to a signal end of the monitor; The circuit breaker switch is used to disconnect the connection path between the connection end to be tested of the blood pressure sensor and the monitor when being triggered.

4. The blood pressure sensor fault simulation device according to claim 3, characterized in that: The short circuit control circuit includes a second switch group; The second switch group includes at least one short-circuit switch, the connection end to be tested of the blood pressure sensor is connected to the signal end of the monitor in a one-to-one correspondence, and one short-circuit switch is connected between the two connection ends to be tested of the blood pressure sensor; The short-circuit switch is used to short-circuit the two connection terminals to be tested of the blood pressure sensor when triggered.

5. The blood pressure sensor fault simulation device according to claim 4, characterized in that: A short-circuit switch is connected between each connection end to be tested of the blood pressure sensor and other connection ends to be tested.

6. The blood pressure sensor fault simulation device according to claim 3, characterized in that: The first switch group includes a first switch, a second switch, a third switch, a fourth switch, a fifth switch, a sixth switch, a seventh switch and an eighth switch; A first end of the first switch is connected to an ICP_IN+ signal terminal of the blood pressure sensor, a first end of the second switch is connected to an ICP_IN- signal terminal of the blood pressure sensor, a first end of the third switch is connected to an ICP_5V signal terminal of the blood pressure sensor, a first end of the fourth switch is connected to a GND signal terminal of the blood pressure sensor, a first end of the fifth switch is connected to a TEMP1 signal terminal of the blood pressure sensor, a first end of the sixth switch is connected to a TGND signal terminal of the blood pressure sensor, a first end of the seventh switch is connected to an SCL signal terminal of the blood pressure sensor, and a first end of the eighth switch is connected to an SDA signal terminal of the blood pressure sensor; The second end of the first switch, the second end of the second switch, the second end of the third switch, the second end of the fourth switch, the second end of the fifth switch, the second end of the sixth switch, the second end of the seventh switch and the second end of the eighth switch are electrically connected to the signal end of the monitor in a one-to-one correspondence.

7. The blood pressure sensor fault simulation device according to claim 4, characterized in that: The second switch group includes a ninth switch, a tenth switch, an eleventh switch, a twelfth switch, a thirteenth switch, a fourteenth switch, a fifteenth switch, a sixteenth switch, a seventeenth switch, an eighteenth switch, a nineteenth switch, a twentieth switch, a twenty-first switch, a twenty-second switch, a twenty-third switch, a twenty-fourth switch, a twenty-fifth switch, a twenty-sixth switch, a twenty-seventh switch, a twenty-eighth switch, a twenty-ninth switch, a thirtieth switch, a thirty-first switch, a thirty-second switch, a thirty-third switch, a thirty-fourth switch, a thirty-fifth switch and a thirty-sixth switch; The first ends of the ninth to fifteenth switches are respectively connected to the ICP_IN+ signal terminal of the blood pressure sensor, the first ends of the sixteenth to twenty-first switches are respectively connected to the ICP_IN- signal terminal of the blood pressure sensor, the first ends of the twenty-second to twenty-sixth switches are respectively connected to the ICP_5V signal terminal of the blood pressure sensor, the first ends of the twenty-seventh to thirtieth switches are respectively connected to the GND signal terminal of the blood pressure sensor, the first ends of the thirty-first to thirty-third switches are respectively connected to the TEMP1 signal terminal of the blood pressure sensor, the first ends of the thirty-fourth to thirty-fifth switches are respectively connected to the TGND signal terminal of the blood pressure sensor, and the first end of the thirty-sixth switch is connected to the SCL signal terminal of the blood pressure sensor; The second end of the ninth switch is connected to the ICP_IN- signal end of the blood pressure sensor, the second end of the tenth switch and the second end of the sixteenth switch are respectively connected to the ICP_5V signal end of the blood pressure sensor, the second end of the eleventh switch, the second end of the seventeenth switch and the second end of the twenty-second switch are respectively connected to the GND signal end of the blood pressure sensor, the second end of the twelfth switch, the second end of the eighteenth switch, the second end of the twenty-third switch and the second end of the twenty-seventh switch are respectively connected to the TEMP1 signal end of the blood pressure sensor, the second end of the thirteenth switch, the second end of the nineteenth switch, the second end of the twenty-fourth switch, the second end of the twenty-eighth switch The second end of the switch and the second end of the thirty-first switch are respectively connected to the TGND signal terminal of the blood pressure sensor, the second end of the fourteenth switch, the second end of the twentieth switch, the second end of the twenty-fifth switch, the second end of the twenty-ninth switch, the second end of the thirty-second switch, and the second end of the thirty-fourth switch are respectively connected to the SCL signal terminal of the blood pressure sensor, and the second end of the fifteenth switch, the second end of the twenty-first switch, the second end of the twenty-sixth switch, the second end of the thirtieth switch, the second end of the thirty-third switch, the second end of the thirty-fifth switch, and the second end of the thirty-sixth switch are respectively connected to the SDA signal terminal of the blood pressure sensor.

8. The blood pressure sensor fault simulation device according to claim 1, characterized in that: Also includes: Sensor connection probe and monitor interface; The sensor connection probe comprises at least two first probe connection ends and at least two second probe connection ends, and the first probe connection ends and the second probe connection ends are arranged in a one-to-one correspondence; The first probe connection end of the sensor connection probe is connected to the connection end to be tested of the blood pressure sensor in a one-to-one correspondence, and the second probe connection end of the sensor connection probe is connected to the first end of the fault simulation circuit in a one-to-one correspondence; The second end of the fault simulation circuit is connected to the first end of the monitor interface, and the second end of the monitor interface is connected to the monitor.

9. The blood pressure sensor fault simulation device according to claim 4, characterized in that: The circuit breaker includes a self-locking push button switch; The short-circuit switch comprises a self-locking push button switch.

10. A blood pressure sensor fault simulation system, characterized in that: The invention comprises a blood pressure sensor, a monitor and a blood pressure sensor fault simulation device as claimed in any one of claims 1 to 9.

Images